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HomeMy WebLinkAboutMinutes - Development Review Board - 10/02/2018 DEVELOPMENT REVIEW BOARD 2 OCTOBER 2018 The South Burlington Development Review Board held a regular meeting on Tuesday, 2 October 2018, at 7:00 p.m. in the Conference Room, City Hall, 575 Dorset Street. MEMBERS PRESENT: B. Miller, Chair; J Smith, J. Wilking, F. Kochman, M. Cota, B. Sullivan ALSO PRESENT: D. Hall, Zoning Administrator; M. Keene, Development Planner; A. Torrizo, J. Pease, W. Murray, F. Nesti, J. Anderson, C. Galipeau, O. Hansen 1. Directions on emergency evacuation procedures from conference room: Mr. Miller provided directions on emergency evacuation procedures. 2. Additions, deletions, or changes in order of agenda items: No changes were made to the Agenda. 3. Comments and questions from the public not related to the Agenda: No issues were raised. 4. Announcements: Ms. Keene introduced Delila Hall, the new Zoning Administrator. 5. Continued conditional use application #CU-18-10 of Marcel Beaudin to reconstruct an existing timber retaining wall and add a handrail, 36 Brigham Road: The applicant was not present. Ms. Keene noted that staff had received the landscape plan. The City Arborist has said that there were no concerns. The Board felt no particular erosion control is needed because of the limited amount of disturbance. Mr. Cota moved to close CU-18-10. Mr. Wilking seconded. Motion passed 6-0. 6. Continued miscellaneous permit application #MS-18-04 of Alexandra Fogg for stormwater upgrades within the VELCO property. The upgrades consist of construction of a gravel wetland and pretreatment forebays: Mr. Pease noted there are two properties involved in this application, the VELCO property on the Shelburne/South Burlington town line and the Burlington Self-Storage property in South Burlington. The plan is to construct a gravel wetland stormwater system (similar to the one of Kerri Lane) to treat runoff by managing a one-year, two-inch storm on about 120 acres. Mr. Torrizo said they looked at several options for treatment and arrived at this option as the best in terms of feasibility. Work is scheduled for summer/fall of 2019 and will be funded through several agencies. The State wetland program has reviewed the project. They determined that the wetland involved is small and isolated and of low value and that replacing it outweighs the impact of eliminating what is there now. Mr. Pease said there is supposed to be a rare species of rush in the area, but it has not been located. They have gotten clearance to go ahead with the project. Ms. Keene noted that Staff has seen the e-mail from the State wetlands program relating to this application. Members had no issues. Mr. Miller noted receipt of a letter from Frances Nesti outlining her concerns. Mr. Torrizo said the project will not bring any additional runoff to the area. It is also not feasible to do any work next to Mrs. Nesti’s house. They also looked at bringing the water out to the north. The tech person with the Impaired Watershed Department advised against that because it would increase the flow to an impaired stream that already has too much flow. Mr. Pease added that this project is a benefit to Mrs. Nesti’s property. Although they can’t eliminate what is happening now, they will be providing cleaner water. Mr. Miller noted that Mrs. Nesti says she will not accept the flow, but that the applicant says this project will decrease the flow and make it cleaner. Mr. Pease agreed that is the case. Mr. Torrizo said the rate of flow will be reduced. Mr. Miller said that Mrs. Nesti noted the pipe size will be increased. Mr. Torrizo said that is true, but the flow is being held back. Mrs. Nesti said that while she is pleased the project is being done, she will not accept the discharge flow on the southeast side of her property. She felt it is illegal for impaired water to run into unimpaired water and that this project will be discharging impaired water into Shelburne Bay which is south of an approved area for discharge 800 feet away. She said these problems must be solved before the project proceeds. Mr. Miller noted the DRB has minimal authority regarding the water flow onto the Nesti property and has no control over the discharging of impaired water which is under State control. He added that it sounds like the project will reduce and clean the flow of water to the Nesti property. Mrs. Nesti cited what is being added to the flow from different neighborhoods and from businesses, and she will not let it be discharged onto her property. She said there are additional conduits being directed to her site. Mr. Torrizo said there are other pipes to ensure the flow comes to the treatment practice but no additional flow and only one outlet. The water will go into the wetland where it should be. The culvert under the railroad will not be touched. Mr. Murray said there has always been water in the ravine, probably from either side of the railroad tracks. Mr. Pease said they have been working with Mrs. Nesti for a long time. All the properties with permits upstream have been maintained and they are cleaning up the swale at Burlington Self-Storage. Mr. Cota moved to close MS-18-04. Mr. Wilking seconded. Motion passed 6-0. 7. Continued site plan application #SP-18-43 of Chamberlin Construction to amend a previously approved plan for a 32,000 sq. ft. temperature controlled self-storage and 35,850 sq. ft. of self-storage in eight buildings. The amendment consists of constructing a conveyance swale and pretreatment forebay. The pretreatment forebay discharges to a gravel wetland proposed to be located on the adjacent parcel, 123 Nesti Drive: Mr. Wilking noted he does business with the applicant but did not feel there was a conflict of interest. Mr. Torrizo said this is a similar situation to the previous agenda item. They are creating a system that will remove the “heavier stuff” before it goes into the storage area. There will be a more defined outlet to the main storage area as well. Ms. Keene asked about the flood lights. Mr. Pease said there are none. Ms. Keene said the existing lights need to be downcasting. Mr. Torrizo said the owner will address the lights in question. Regarding the bike rack, Mr. Torrizo said the one they had was hit by the plow and removed. It will be replaced. Ms. Keene said it must meet current criteria. This will be put in the approval motion. Ms. Hall directed attention to the graphic showing what is approvable. Mrs. Nesti felt the plan will not take care of all the debris from other sources. Mr. Pease said it will treat runoff from every location except from the Shelburne Bay Retirement facility which has its own system. VELCO gave the Town of Shelburne a 25-year license to manage the system at no charge. No other issues were raised. Mr. Cota moved to close SP-18-43. Mr. Wilking seconded. Motion passed 6-0. 8. Continued Sketch Plan Application #SD-18-16 of R. L. Vallee, Inc., to demolish an existing hotel and a portion of an existing service station and create a planned unit development consisting of an expanded service station with four additional fueling positions for a total of 12 and associated 9,000 sq. ft. retail sales building, 793 and 907 Shelburne Road: Mr. Sullivan recused himself due to a conflict of interest. Mr. Cota said he knows the applicant but didn’t feel he had a conflict of interest. Mr. Anderson said he thought the purpose of this meeting is to provide Board reaction to the material submitted by the applicant. Mr. Miller said the Board’s reaction to the material is that the proposal is not an acceptable project. Mr. Wilking added that it is a non-conforming use issue, and there is not a good way to get around that. Members are not swayed by the applicant’s arguments. Mr. Kochman said he didn’t feel the project is viable. He said the cases cited by the applicant involve the definition of a non-conforming use. He didn’t think that is the issue. He felt the issue is the enlargement of the structure housing a non-conforming use by adding more pumps. He also did not feel this plan qualifies as a PUD at all. In addition, the proposal to overcome the lot coverage issue is a “non‐starter” for him. He provided the applicant with written comments which he represented were his own and not the opinion of the Board as a whole. Mr. Anderson asked if the Board would share the opinion of the City Attorney. Members felt this was privileged information. Mr. Galipeau asked to continue the application so they can study the information they have been given. Mr. Wilking stressed that Mr. Kochman’s opinions are his own. The Board feels that what the applicant has presented is a non-starter. If the plan is changed so that it conforms, the board will be happy to consider it, but they do not want to re-argue what they have seen before. He summed up by saying there are issues related to non-conformity and the way to make it work is to meet the LDRs, not to find creative ways to get around it. That is not allowed. Ms. Keene noted if the applicant wants to present a different application, it would have to be rewarned. Mr. Galipeau said he didn’t see any harm in continuing. They will let staff know in advance if they are presenting a new application. Mr. Cota then moved to continue SD-18-16 to 6 November 2018. Mr. Wilking seconded. Motion passed 5-0. Mr. Sullivan rejoined the Board. 9. Minutes of 18 September 2018: Mr. Miller noted on p. 2, the sentence that ends “…to retained” should read “to be retained.” Mr. Cota moved to approve the Minutes of 18 September 2018 with the above correction. Ms. Smith seconded. Motion passed 6-0. 10. Other Business: No other business was presented. As there was no further business to come before the Board, the meeting was adjourned by common consent at 8:14 p.m. These minutes were approved by the Board on October 16, 2018. Published by ClerkBase ©2019 by Clerkbase. No Claim to Original Government Works. #CU‐18‐10  1  CITY OF SOUTH BURLINGTON  DEPARTMENT OF PLANNING AND ZONING    MARCEL BEAUDIN  CONDITIONAL USE APPLICATION #CU‐18‐10   FINDINGS OF FACT AND DECISION    Conditional use application #CU‐18‐10 of Marcel Beaudin to reconstruct an existing timber retaining wall  and add a handrail, 36 Brigham Road.    The Development Review Board held a public hearing on September 13 and October 2, 2018.  The  applicant represented himself.      Based on the plans and materials contained in the document file for this application, the Development  Review Board finds, concludes, and decides the following:    FINDINGS OF FACT    1. The applicant, Marcel Beaudin, seeks a conditional use permit to reconstruct an existing timber  retaining wall and add a handrail, 36 Brigham Road.    2. The owner of record of the subject property is Bernice Bayer.    3. The subject property is located in the Lakeshore Neighborhood Zoning District.    4. The applicant is proposing to reconstruct an existing structure within 150 feet horizontal distance of  the high water elevation of Lake Champlain (elevation 102), subjecting the Project to the  requirements of Section 12.01D. The requirements of Article 14 pertaining to Conditional Use also  apply.    5. The application was received on August 10, 2018.     6. The plans submitted consist of a five (5) page set of plans and renderings with page one (1) entitled,  “Proposed Repair of Existing Retaining Wall Bayer Residence 20 July 2018”, prepared by Marcel  Beaudin.    ZONING DISTRICT AND DIMENSIONAL REQUIREMENTS    No changes are proposed to any of the dimensional requirements, therefore the Board finds a detailed  review unnecessary.      12.01 D.  PRE‐EXISTING STRUCTURES ALONG LAKE CHAMPLAIN AND WITHIN QUEEN CITY PARK    (1)   Applicability. The provisions of this section shall apply to preexisting structures within the  areas defined as follows:     (a)   All land within one hundred fifty (150) feet horizontal distance of the high water  elevation of Lake Champlain, which for purposes of these regulations shall be one hundred  #CU‐18‐10  2 two (102) feet above mean sea level datum.    Elevation 102 is located at a point located approximately 16 feet east of the existing home, as  shown  on  the  provided  Existing  Conditions  plan  provided  by  the applicant.    Therefore  the  applicable area includes all portions of the subject property.    (2)   Expansion and Construction of pre‐existing structures. Within the areas defined in Section  (D)(1) above, the expansion and reconstruction of pre‐existing structures may be approved by the  DRB as a conditional use provided the requirements of the underlying zoning district and the  following standards are met:     (a)   The structure to be expanded or reconstructed was originally constructed on or before  April 24, 2000. For purposes of these Regulations, expansion may include the construction of  detached accessory structures including garages and utility sheds.    The applicant has represented the retaining wall to be replaced has been in existence since prior  to April 24, 2000.    (b)   The  expanded  or  reconstructed  structure  does  not  extend  any  closer,  measured  in  terms of horizontal distance, to the applicable high water elevation or stream centerline than  the closest point of the existing structure.    No expansion in the direction of Lake Champlain is proposed.  The Board finds this criterion met.    (c)   The total building footprint area of the expanded or reconstructed structure shall not  be more than fifty percent (50%) larger than the footprint of the structure lawfully existing on  April  24,  2000.  For  purposes  of  these  regulations,  reconstruction  may  include  razing  the  existing structure and/or foundation and constructing a new structure in accordance with the  provisions of the underlying zoning district regulations and this section.    The  applicant  is  proposing  to  remove  a  jog  in  the  existing  retaining  wall  was  originally  constructed to avoid a tree, which has since been removed.  The existing jog to be removed is  roughly parallel to the existing deck.  The proposed realignment does not expand the existing  structure.  The Board finds this criterion met.    (d)   An erosion control plan for construction is submitted by a licensed engineer detailing  controls that will be put in place during construction or expansion to protect the associated  surface water.    The existing retaining wall will remain in place.  The applicant will remove existing vegetation to  access the existing wall.  The applicant has provided a proposed erosion control and landscaping  narrative intended to reduce erosion along the base of the retaining wall due to spring stream  flows.    The  applicant  is  not  proposing  to  remove  any  vegetation greater than 2‐inches in  diameter except for one ash tree which is anticipated to be susceptible to ash borer to prevent  it’s  spread.     Due  to  the  limited  earth  disturbance,  the  Board  finds  no  erosion  control  plan  prepared by a licensed engineer is needed.  The Board finds this criterion met.    (e)   A landscaping plan showing plans to preserve, maintain and supplement existing trees  #CU‐18‐10  3 and ground cover vegetation is submitted and the DRB finds that the overall plan will provide  a visual and vegetative buffer for the lake and/or stream.    The  City  arborist  reviewed  the  proposed  landscaping  plan  on  9/19/2019  and  indicated  no  concerns.  The Board finds this criterion met.    14.10 E.  CONDITIONAL USE REVIEW    Pursuant to Section 12.01D(2) of the South Burlington Land Development Regulations (Expansion and  construction of pre‐existing structures), the proposed use shall be reviewed as a conditional use and  shall meet the following standards of Section 14.10(E):    14.10E General Review Standards  The Development Review Board shall review the proposed conditional use for compliance with all  applicable standards as contained in these regulations. The proposed conditional use shall not result  in an undue adverse effect on any of the following:    (1) The capacity of existing or planned community facilities.    This project will have no adverse effect upon community facilities. The Board finds this criterion  met.    (2) The character of the area affected, as defined by the purpose or purposes of the zoning  district within which the project is located, and specifically stated policies and standards of the  municipal plan.     The  Board  finds  that  the  proposed  project  is  consistent  with  the  stated  purpose  of  the  Lakeshore Neighborhood (LN) district, which is in part “to encourage residential use at densities  and setbacks that are compatible with the existing character of the lake shore neighborhoods  located in the vicinity of Bartlett Bay Road and Holmes Road. The district is designed to promote  the  area's  historic  development  pattern  of  smaller  lots  and  minimal  setbacks.  This  district  encourages the conversion of seasonal homes to year round residences.” The Board finds this  criterion met.    (3) Traffic on roads and highways in the vicinity.    This project will have no adverse effect on traffic on roads and highways in the vicinity. The  Board finds this criterion met.    (4) Bylaws and ordinances then in effect.    The Board finds this criterion met.  See above for a discussion of compliance with surface water  and nonconforming structure standards.    (5) Utilization of renewable energy resources.    This project will not affect renewable energy resources. The Board finds this criterion met.    #CU‐18‐10  4 DECISION    Motion by ___, seconded by ___, to approve conditional use application #CU‐18‐10 of Marcel Beaudin,  subject to the following conditions:    1. All previous approvals and stipulations shall remain in full effect except as amended herein.    2. This project must be completed as shown on the plans submitted by the applicant, and on file in  the South Burlington Department of Planning and Zoning.    3. The applicant must obtain a zoning permit within six (6) months pursuant to Section 17.04 of the  Land Development Regulations or this approval is null and void.     4. Any change to the approved plan shall require approval by the South Burlington Development  Review Board or the Administrative Officer.       Mark Behr    Yea  Nay  Abstain  Not Present  Matt Cota    Yea  Nay  Abstain  Not Present  Frank Kochman    Yea  Nay  Abstain  Not Present  Bill Miller    Yea  Nay  Abstain  Not Present  Jennifer Smith    Yea  Nay  Abstain  Not Present  Brian Sullivan    Yea  Nay  Abstain  Not Present  John Wilking    Yea  Nay  Abstain  Not Present    Motion carried by a vote of _ – _ – _     Signed this ____ day of September, 2018, by        _____________________________________  Bill Miller, Chair    Please note:  An appeal of this decision may be taken by filing, within 30 days of the date of this  decision, a notice of appeal and the required fee by certified mail to the Superior Court, Environmental  Division.  See V.R.E.C.P. 5(b).  A copy of the notice of appeal must also be mailed to the City of South  Burlington Planning and Zoning Department at 575 Dorset Street, South Burlington, VT 05403.  See  V.R.E.C.P. 5(b) (4)(A).  Please contact the Environmental Division at 802‐828‐1660 or  http://vermontjudiciary.org/GTC/environmental/default.aspx for more information on filing  requirements, deadlines, fees and mailing address.    The applicant or permittee retains the obligation to identify, apply for, and obtain relevant state  permits for this project. Call 802.477.2241 to speak with the regional Permit Specialist.    #MS‐18‐04  Staff Comments  1  CITY OF SOUTH BURLINGTON  DEVELOPMENT REVIEW BOARD  MS‐18‐04_Nesti Dr_VELCO_storm_2018‐09‐04.docx  DEPARTMENT OF PLANNING & ZONING   Report preparation date: September 25, 2018  Plans received: August 8, 2018  Nesti Dr  Miscellaneous Application #MS‐18‐04  Meeting date: September 25, 2018  Owner  Vermont Transco LLC  366 Pinnacle Ridge Road  Rutland, VT 05701    Applicant  Alexandra Fogg  VELCO  366 Pinnacle Ridge Road  Rutland, VT 05701  Property Information  Tax Parcel 1540‐01855‐L  Commercial 2 Zoning District  84,070 sq. ft.  Engineer  Chenette Associates, P.C.  Berlin, VT  Location Map      PROJECT DESCRPTION    Miscellaneous permit application #MS‐18‐04 of Alexandra Fogg, VELCO for stormwater upgrades within  the VELCO property.  The upgrades consist of construction of a gravel wetland and pretreatment  forebays, Nesti Drive.     #MS‐18‐04  Staff Comments  2  COMMENTS    Planning Director Paul Conner and Development Review Planner Marla Keene (“Staff”) have reviewed  the plans submitted on 8/8/2018 and offer the following comments. Numbered items for the Board’s  attention are in red.    CONTEXT    The proposed stormwater treatment practice is located on the VELCO property.  Pretreatment and  conveyance occurs on the subject property as well as on the adjacent properties at 123 Nesti Drive to  the North, being reviewed under application #SP‐18‐43, and on the BlueLynx property on Pine Haven  Shores Road.  The applicant has indicated that runoff from 102 acres, including a portion of Route 7, the  self storage facility at 123 Nesti Drive, the Blue Linx property, and a portion of the residential  neighborhood on the far side of Route 7 will be treated in this practice.  This practice discharges to an  unnamed tributary to Lake Champlain.  The applicant has indicated the project is grant‐funded with a  VTrans match.    3.12 ALTERATION OF EXISTING GRADE  DRB approval is needed for the placing or removing of fill on land when the amount is equal to or  greater than 20 cubic yards except when incidental to or in connection with the construction of a  structure on the same lot.  Based on the provided plans, the applicant is proposing to remove existing  soils and import engineered material to create the proposed stormwater treatment practices.  Quantity  estimates are not available at this time but based on submitted plans, it appears that greater than 20  cubic yards of material will be placed.  Provided site plans show the soil to be removed and the material  to be placed as well as the existing grade and the proposed grade created by removal or addition of  material.  The Board finds this criterion to be met.    SECTION 12.02 WETLAND PROTECTION STANDARDS   These standards apply to all lands within 50‐feet of a wetland.  (1)   Consistent with the purposes of this Section, encroachment into wetlands and buffer areas  is generally discouraged.  (2)   Encroachment  into  Class  II wetlands  is  permitted  by  the  City  only  in  conjunction  with  issuance of a Conditional Use Determination (CUD) by the Vermont Department of Environmental  Conservation and positive findings by the DRB pursuant to the criteria in (3) below.  (3)   Encroachment into Class II wetland buffers, Class III wetlands and Class III wetland buffers,  may be permitted by the DRB upon finding that the proposed project’s overall development, erosion  control,  stormwater  treatment  system,  provisions  for  stream  buffering,  and  landscaping  plan  achieve the following standards for wetland protection:    The applicant is proposing 200 sq. ft. of Class III wetland impacts and approximately 5,000 sq. ft. of  Class III wetland buffer impacts.  The wetland and buffer is being impacted for the purpose of  constructing a gravel maintenance access road to the proposed treatment practice.    (a) The encroachment(s) will not adversely affect the ability of the property to carry or store  flood waters adequately;    The proposed impacts are a small portion of the overall wetland.  The Board finds this criterion  met.  #MS‐18‐04  Staff Comments  3    (b) The  encroachment(s)  will  not  adversely  affect  the  ability  of  the  proposed  stormwater  treatment system to reduce sedimentation according to state standards;    The Assistant Stormwater Superintendent reviewed the plans on September 4, 2018 and  offers the following comment.    We  have  reviewed  the  Town  of  Shelburne  Velco  Property  Gravel  Wetland  project,  prepared by Chenette Associates, P.C., dated 7/11/18. We support this project in providing  treatment to previously untreated stormwater runoff and have no further comments.    Staff considers this criterion met.    (c)  The impact of the encroachment(s) on the specific wetland functions and values identified  in  the  field  delineation  and  wetland  report  is  minimized  and/or  offset  by  appropriate  landscaping, stormwater treatment, stream buffering, and/or other mitigation measures.     1. The applicant has provided documentation that ANR has classified the impacted wetland  as Class III.  No wetland report was submitted with the application.  The applicant has  stated they believe the functions and values of the wetland are low.  The purpose of the  project is to improve stormwater.  Staff recommends the Board determine whether to  allow the proposed 200 s.q ft. of wetland impacts and 5,000 sq. ft. of wetland buffer  impacts.     12.04E(2)   Drainage  Structures  To  Accommodate  Upstream  Development  –  Culverts  or  other  drainage  facilities  shall  be  of  sufficient  size  to  accommodate potential  runoff  from  the  entire  upstream drainage area, whether or not all or part of the upstream area is on the applicant’s lot or  the parcel subject to the application.  In determining the anticipated amount of upstream runoff for  which drainage facilities must be sized, the applicant shall design the stormwater drainage system  assuming the total potential development of upstream drainage areas.  All drainage structures shall  be designed to, at a minimum, safely pass the twenty‐five year, twenty‐four hour (4.0 inch) rain  event.  The applicant’s engineer shall provide such information as the Stormwater Superintendent  or his designee deems necessary to determine the adequacy of all drainage structures.     The  applicant  provided  an  analysis  demonstrating  the  impacts  of  the  proposed  project  on  the  downstream culvert.  The Board finds this criterion met.    RECOMMENDATION    Staff recommends that the Board discuss the Project with the applicant and close the hearing.    Respectfully submitted,      ________________________________  #MS‐18‐04  Staff Comments  4  Marla Keene, Development Review Planner  2017 Groundwater Monitoring and Soil Stockpile Screening Report Shelburne Road Variety, South Burlington, Vermont i Table of Contents Certification Page ............................................................................................................................. ii 1.0 Introduction and Background ................................................................................................ 1 2.0 Groundwater Monitoring ....................................................................................................... 1 2.1 Determination of Groundwater Flow Direction and Gradient ...................................................... 1 2.2 Groundwater Sample Collection and Analysis ............................................................................... 2 3.0 Soil Stockpile Screening ......................................................................................................... 5 4.0 Sensitive Receptor Risk Assessment ...................................................................................... 6 5.0 Conclusions ............................................................................................................................ 7 6.0 Recommendations .................................................................................................................. 9 Appendices Appendix A 1) Site Location Map 2) Site Map 3) Groundwater Contour Maps (Jan., Apr., July, and Dec. 2017) 4) Groundwater VOC Distribution Maps (Jan., Apr., July, and Dec. 2017) 5) Soil Stockpile Sketch with Screening Locations Appendix B Liquid Level Monitoring Data Appendix C Groundwater Quality Summary Appendix D Analytical Laboratory Reports 2017 Groundwater Monitoring and Soil Stockpile Screening Report Shelburne Road Variety, South Burlington, Vermont ii Certification Page This report, which summarizes the quarterly groundwater monitoring and annual soil stockpile screening efforts performed between January 2017 and December 2017 at the Shelburne Road Variety property located in South Burlington, Vermont, State of Vermont Department of Environmental Conservation Site #2010-4047, has been prepared and reviewed by the following personnel. We certify under penalty of perjury that we are environmental professionals and that all content contained within this deliverable is to the best of our knowledge true and accurate. Prepared By: Reviewed By: Rebecca Treat, EP Jeremy Roberts, PG, EP Project Geologist Environmental Program Manager 2017 Groundwater Monitoring and Soil Stockpile Screening Report Shelburne Road Variety, South Burlington, Vermont 1 1.0 Introduction and Background This report summarizes the quarterly groundwater monitoring and annual soil stockpile screening efforts performed between January 2017 and December 2017 at the Shelburne Road Variety property located at 1855 Shelburne Road in South Burlington, Vermont, (“Site”). A Site location Map is included as Appendix A. KAS, Inc. (KAS) conducted this work for the Champlain Oil Company (COCO), the owner of the Site. The January 2017 monitoring event was conducted in accordance with KAS’ Work Plan/Cost Estimate (WPCE) dated October 20, 2016 (revised October 24, 2016), which was approved by Mr. James Donaldson of the Vermont Department of Environmental Conservation (VTDEC) on October 26, 2017. All subsequent monitoring/screening efforts performed for the remainder of 2017 were conducted in accordance with KAS’ WPCE dated March 20, 2017, which was approved by Mr. James Donaldson of the VTDEC on April 6, 2017. Petroleum impacts were first encountered at the Site during underground storage tank (UST) removal activities conducted in October 2009 and April 2010. Subsequent monitoring of groundwater beneath and in the vicinity of the Site indicated dissolved-phase petroleum-related constituents in excess of applicable Vermont Groundwater Enforcement Standards (VGES). Additionally, non-aqueous phase liquid (NAPL) has been detected in select wells and impacts to nearby surface water and low lying wet areas has been documented. Since June 2015, KAS has intermittently operated a soil vapor extraction/air sparge (SVE/AS) remediation system at the Site. To date, the SVE/AS system has removed approximately 869 gallons of product (weathered gasoline) from the subsurface. The system has undergone periodic shutdowns to increase system efficiency. The most recent system shutdown occurred on January 5, 2017. Per requests made by the VTDEC in a letter to COCO dated February 24, 2017, the system remained off for the remainder of 2017 so an evaluation of groundwater quality temporal data trends could be performed. The current scope of work at the Site includes quarterly groundwater monitoring of fifteen site- related monitoring wells (MW10-2 thru MW10-6, MW11-7 thru MW11-11, MW12-12 thru MW12-15 and MW13-17), annual screening of an on-site soil stockpile and a visual inspection of sensitive receptors (low wet area and drainage area) during each groundwater monitoring event. Data deliverable packages for quarterly groundwater monitoring events performed in January, April and July 2017 were submitted to the VTDEC on February 1, 2017, May 23, 2017 and August 21, 2017, respectively. A summary of the soil stockpile screening efforts performed in July 2017 was included with the July 2017 groundwater data deliverable package. Results of the December 2017 quarterly monitoring event are summarized in this report; however, a discussion of all monitoring/ events performed in 2017 is also included. Previous reports documenting site history, investigative work, groundwater monitoring and remedial activities are on file at the VTDEC offices in Montpelier, Vermont. 2.0 Groundwater Monitoring 2.1 Determination of Groundwater Flow Direction and Gradient Depth-to-liquid measurements were collected from select site-related monitoring wells on four different occasions between January 2017 and December 2017 using a GeotechTM interface probe 2017 Groundwater Monitoring and Soil Stockpile Screening Report Shelburne Road Variety, South Burlington, Vermont 2 (IP). All four gauging events are discussed below. Liquid level monitoring data, both current and historical, are presented in Appendix B. On January 17, 2017, depth to water measured in on-site well locations ranged from 12.15 to 22.21 feet below top of casing (btoc). Depth to water measured in off-site wells ranged from 3.15 to 8.50 feet btoc. NAPL was not detected in any of the wells gauged. These measurements were within range of previous winter season levels and consistent with a seasonally low water table. On April 19, 2017, depth to water measured in on-site wells ranged from 10.75 to 19.82 feet btoc. Depth to water measured in off-site wells ranged from 1.73 to 7.95 feet btoc. NAPL was not detected in any of the wells gauged. Measurements at several locations were the highest reported to date and overall levels were consistent with a seasonally high water table. On July 26, 2017, depth to water measured in on-site wells ranged from 11.41 to 19.56 feet btoc. Depth to water measured in off-site wells ranged from 1.28 to 11.38 feet btoc. NAPL was not detected in any of the wells gauged. A seasonal lowering of the water table was evident at most locations; however, water levels rose at select locations since April 2017 (MW10-5, MW11-9, MW11-11, MW12-12 and MW13-17). Depth to water levels at two locations (MW12-12 and MW13-17) were the highest reported to date. On December 4, 2017, depth to water measured in on-site wells ranged from 11.96 to 21.56 feet btoc. Depth to water measured in off-site wells ranged from 1.56 to 11.11 feet btoc. NAPL was not detected in any of the wells gauged. A further seasonal lowering of the water table was evident at all but two well locations since July 2017 (MW12-15 and MW12-16) and depth to water levels in all wells were within range of historical measurements. For each gauging event, the water level measurements were subtracted from the top of casing to determine the water table elevation at each of the wells. The casing elevations were determined relative to an arbitrary datum of 100 feet established at MW10-2 by KAS in 2010. Groundwater level data are recorded in Appendix B. Groundwater elevation data for each event was used to generate the Groundwater Contour Maps included in Appendix A. The groundwater flow direction for all four events was generally oriented to the northwest at a hydraulic gradient of approximately 7.0%, which is consistent with historic results. 2.2 Groundwater Sample Collection and Analysis On January 17, 2017 quarterly sampling of thirteen site-related monitoring wells (MW10-2, MW10- 4, MW10-5, MW10-6, MW11-7, MW11-8, MW11-9, MW11-10, MW12-13, MW12-14, MW12-15, MW13-17 and MW13-18) was performed. A sample could not be collected from MW10-3 due to an insufficient amount of water in the well column. Monitoring wells MW10-1, MW11-11, MW12- 12, MW12-16 and MW13-19 were not included in the sampling program per VTDEC approval. Per requests made by the VTDEC in a letter to COCO dated February 24, 2017, quarterly monitoring for the remainder of 2017 included fifteen site-related wells: MW10-2, MW10-3, MW10-4, MW10-5, MW10-6, MW11-7, MW11-8, MW11-9, MW11-10, MW11-11, MW12-12, MW12-13, MW12-14, MW12-15 and MW13-17. Monitoring wells MW10-1, MW12-16, MW13-18 and MW13-19 were not included in the sampling program per VTDEC request. Quarterly sampling events occurred on April 19, 2017, July 26, 2017 and December 4, 2017. For the July 2017 event, a sample was not collected from MW11-7 as this well was not located due to thick vegetation. For the December 2017 event, KAS collected a surface water sample from an off-site drainage swale 2017 Groundwater Monitoring and Soil Stockpile Screening Report Shelburne Road Variety, South Burlington, Vermont 3 due to the presence of a visible sheen and odor on the water surface. No other deviations from the quarterly monitoring program requested by the VTDEC occurred. Groundwater and surface water samples collected were chilled and delivered under proper chain- of-custody procedures to Endyne, Inc. of Williston, Vermont. One trip blank and one duplicate sample were collected for quality assurance / quality control (QA/QC). All samples were analyzed for volatile organic compounds (VOCs) by EPA Method 8021B. A tabulation and graphic presentation of current and historical analytical data is provided in Appendix C and compared with the applicable VGES and Vermont Water Quality Standards (VWQS). The laboratory reports and chain-of-custody forms are presented in Appendix D. Analytical Results Results of the January 2017 quarterly sampling event indicated dissolved-phase concentrations in excess of VGES in eight of the thirteen wells sampled: MW10-2, MW10-5, MW10-6, MW11-8, MW11-9, MW12-14, MW13-17 and MW13-18. Select VOCs were reported in the samples collected from MW11-7 and MW12-3 but all concentrations were below VGES. No VOCs were reported above laboratory method detection limits in MW10-4, MW11-10 and MW12-15. Total reported VOC concentrations ranged from 4.8 to 14,399 micrograms per liter (ug/L) (MW10-2). Results of the April 2017 quarterly sampling event indicated dissolved-phase concentrations in excess of VGES in eleven of the fifteen wells sampled: MW10-2, MW10-3, MW10-5, MW10-6, MW11-8, MW11-9, MW11-10, MW12-13, MW12-14, MW12-15 and MW13-17. Select VOCs were reported in the samples collected from MW11-7 and MW11-11 but all concentrations were below VGES. No VOCs were reported above laboratory method detection limits in MW10-4 and MW12- 12. Total reported VOC concentrations ranged from 5.5 to 18,506 ug/L (MW10-6). Results of the July 2017 quarterly sampling event indicated dissolved-phase concentrations in excess of VGES in ten of the fourteen wells sampled: MW10-2, MW10-3, MW10-5, MW10-6, MW11-8, MW11-9, MW12-13, MW12-14, MW12-15 and MW13-17. Select VOCs were reported in the sample collected from MW11-11 but all concentrations were below VGES. No VOCs were reported above laboratory method detection limits in MW10-4, MW11-10 and MW12-12. Total reported VOC concentrations ranged from 3.7 to 17,865 ug/L (MW13-17). Results of the December 2017 quarterly sampling event indicated dissolved-phase concentrations in excess of VGES in nine of the fifteen wells sampled: MW10-2, MW10-3, MW10-5, MW10-6, MW11-8, MW11-9, MW12-13, MW12-14 and MW13-17. Select VOCs were reported in the samples collected from MW11-11 and MW12-15 but all concentrations were below VGES. No VOCs were reported above laboratory method detection limits in MW10-4, MW11-10 and MW12- 12. Total reported VOC concentrations ranged from 2.0 to 19,987 ug/L (MW10-6). Benzene, toluene and ethylbenzene were reported at concentrations above applicable VWQS in the drainage swale surface water sample. A total VOC concentration of 1,518 ug/L was reported for this location. Trend Analysis For the January 2017 monitoring event, a decrease in dissolved-phase VOC concentrations was observed in all but two wells since the previous respective sampling and all concentrations, except at MW10-6, remained below pre-system levels (prior to SVE/AS system). Increases were noted at MW11-8 and MW11-9 since the previous sampling in November 2016; however, concentrations in both wells were within range of post-system levels (after SVE/AS system). Of note, concentrations 2017 Groundwater Monitoring and Soil Stockpile Screening Report Shelburne Road Variety, South Burlington, Vermont 4 reported at MW11-7, MW12-13, MW12-4 and MW13-18 were the lowest reported to date and the levels reported at MW12-3 declined to below VGES for the first time. In April 2017, an increase in dissolved-phase VOC levels was observed at MW10-5, MW10-6, MW10-10, MW12-13, MW12-14, MW12-15 and MW13-17 since January 2017; however, all concentrations remained within range of post-system levels. Of note, concentrations reported at MW10-2, MW11-8, and MW11-11 were the lowest reported to date. In July 2017, dissolved-phase VOC concentrations increased at MW10-2, MW10-5, MW11-8, MW12-15 and MW13-17 since April 2017; however, all concentrations remained within range of post-system levels. Dissolved-phase levels at other locations decreased and concentrations reported at MW11-11 were the lowest reported to date. Dissolved-phase levels increased in December 2017 at MW10-2, MW10-5, MW10-6 and MW11-9 since July 2017; however, all concentrations remained within range of post-system levels. Total VOC concentrations at MW10-3, MW11-7, MW11-8, MW11-11 and MW12-14 are presently the lowest reported to date. Analytical testing of an off-site drainage swale indicates surface water downgradient of the Site continues to be impacted with petroleum constituents as of December 2017; present concentrations at this location are the highest reported to date. Current and historical data indicates dissolved-phase concentrations continue to fluctuate over time at select well locations; however, an overall long-term declining concentration trend has been observed at most well locations since monitoring began. Based on the current data, it appears the SVE/AS system, which began operation in June 2015, has been effective in reducing dissolved- phase concentrations beneath the Site. To date, the SVE/AS system has removed approximately 869 gallons of product (as weathered gasoline) from the subsurface. Percent decreases in wells to date since SVE/AS system operation are listed below. Because seasonal fluctuations in VOC concentrations are observed at most well locations, an average pre-system concentration was used to determine the percent decline to date. A percent decline for MW12-16 is not listed due to a lack of post-system analytical data. MW10-1: 88.4% (95.9 to 11.1 ug/L) – last sampled July 2016 MW10-2: 91.9% (103,724 to 8,400 ug/L) MW10-3: 99.1% (57,021 to 512 ug/L) MW10-4: 100% (242 ug/L to ND) MW10-5: 92.5% (85,981 to 6,421 ug/L) MW10-6: (101%) (9,937 to 19,987 ug/L) MW11-7: 97.0% (100.1 to 3.0 ug/L) MW11-8: 96.1% (837 to 32.8 ug/L) MW11-9: 90.1% (17,725 to 1,638 ug/L) MW11-10: 100% (195 ug/L to ND) MW11-11: 96.4% (82.9 to 3.0 ug/L) MW12-12: 100% (1.1 ug/L to ND) MW12-13: 99.4% (8,918 to 53.8 ug/L) MW12-14: 99.7% (35,449 to 105 ug/L) MW12-15: 99.9% (9,465 to 2.0 ug/L) MW13-17: 49.9% (31,689 to 15,880 ug/L) MW13-18: 96.6% (49,680 to 1,711 ug/L) – last sampled Jan. 2017 MW13-19: 68.8% (8,958 to 2,789 ug/L) – last sampled Nov. 2016 2017 Groundwater Monitoring and Soil Stockpile Screening Report Shelburne Road Variety, South Burlington, Vermont 5 The dissolved-phase levels at MW10-6 remain above the average pre-system concentration; however, similar levels have historically been reported at this location and an overall decline of dissolved-phase constituents in the absence of NAPL has been observed. This is the seventh consecutive sampling round for MW10-6 in the absence of NAPL. It remains unclear if NAPL will reappear in MW10-6 if/when significantly depressed groundwater levels, as observed in 2015, occur again. NAPL previously observed in monitoring wells MW10-2 and MW10-3 appears to have dissipated since system startup and remains absent even in light of the system not operating for the majority of 2017. Dissolved-Phase VOC Distribution The highest levels of on-site dissolved-phase VOCs in 2017 were reported in MW10-2, MW10-6 and MW13-17. These wells are located adjacent to or directly downgradient of the source area (former gasoline and diesel USTs) and have historically contained some of the highest concentrations noted on-site. Two of these wells (MW10-2 and MW10-6) have also previously contained NAPL. Reported concentrations of total targeted VOCs were plotted on the Site Map to create the Groundwater VOC Distribution Maps in Appendix A. Based on these maps, the core of the dissolved-phase plume is located on the northwestern portion of the property adjacent to and directly downgradient of the source area. The January and April 2017 maps show a clear break in the dissolved-phase plumes located off-site and on-site which is consistent with what was seen in November 2016. A noticeable change in the plume configuration can be seen in the July and December 2017 maps primarily due to increasing dissolved-phase VOC concentrations at MW10-5. These maps suggest the on-site and off-site plumes have merged again which could indicate that off-site migration has resumed in the absence of active remedial efforts. Current and historical data indicates the dissolved-phase plume has been mostly defined to the west, north and east where low to non-detectable concentrations have been reported in MW11-7, MW11-10, MW11-11, MW12-12, MW12-16 and upgradient well MW10-1. Quality Assurance and Quality Control No VOCs were detected in the trip blank samples prepared on January 17, 2017, April 19, 2017, July 26, 2017 and December 4, 2017. Relative percent difference (RPD) is defined as one hundred times the difference between the actual sample and the duplicate sample, divided by the mean of the two samples. RPD values are used to determine if adequate quality assurance and control (QA/QC) were maintained during sample collection and analysis. For the January 2017 sampling event, the duplicate sample was collected from monitoring well MW13-17. RPD ranged from 4.3% to 8.8% for the detected compounds indicating adequate precision. For the April 2017 sampling event, the duplicate sample was collected from monitoring well MW10-3. RPD ranged from 1.8% to 30.1% for the detected compounds indicating adequate precision. For the July 2017 sampling event, the duplicate sample was collected from monitoring well MW10-6. RPD ranged from 0.4% to 8.0% for the detected compounds indicating adequate precision. For the December 2017 sampling event, the duplicate sample was collected from monitoring well MW13-17. RPD ranged from 0.0% to 3.2% for the detected compounds indicating adequate precision. A tabular presentation of duplicate sample data and RPD results is included in Appendix C. 3.0 Soil Stockpile Screening On July 26, 2017, a KAS field technician screened the on-site soil stockpile with a photoionization detector (PID). A map showing the screening locations and results is included in Appendix A. Soil stockpile screening efforts are being performed as a means to monitor the expected decline in 2017 Groundwater Monitoring and Soil Stockpile Screening Report Shelburne Road Variety, South Burlington, Vermont 6 levels of VOCs over time. This was the first screening of the stockpile since it was completed in October 2014. PID readings at the time the stockpile was generated ranged from 2.3 to 9.1 parts per million (ppm). Screening conducted in July 2017 indicated a slight reduction in VOC levels with PID readings ranging from 0.2 to 6.0 ppm; however, these results may be biased low as an assessment of soils at the very base of the stockpile (3-4 feet) could not be performed due to significant amounts of coarse gravel encountered during sampling efforts. The stockpile was generated in 2014 as a result of corrective action plan (CAP) activities. Grossly impacted soils (>10 ppm) generated during the CAP activities were transported and disposed off- site while the remaining less impacted soils (<10 ppm) were stockpiled on-site at the request of VTDEC. Management of the stockpile polyethylene cover has proven difficult due to strong wind patterns driven by nearby Lake Champlain. The cover has been replaced and re-secured multiple times over the past 3 years. Despite KAS’ best efforts, securing the cover for a duration longer than 6 months has been unsuccessful. Given the low decline of VOCs over time, the management difficulties of the cover, the limited space available on-site for future thin-spreading and the close proximity of the stockpile to sensitive receptors (surface waters/wet areas), an alternative management plan such as off-site disposal should be considered. 4.0 Sensitive Receptor Risk Assessment A sensitive receptor risk assessment of the area surrounding the Site is provided below, and a determination of the potential risk to identified receptors has been made based on proximity to the dissolved-phase plume, groundwater flow direction, petroleum constituent mobility and volatility, and petroleum constituent concentration levels in subsurface soils and groundwater. Two sensitive receptors (low wet area and drainage swale surface water) other than soil and groundwater (on-site and off-site) have been identified as being impacted from the subsurface petroleum mass originating from the Site. The Site and surrounding properties are serviced by the public water system. According to the Vermont Agency of Natural Resources Atlas online mapping tool (http://anrmaps.vermont.gov/websites/anra/), there are no public supply wells within a half mile of the Site. There are however, six private supply wells within a half mile; the closest of which, is approximately 1,270 feet to the southeast.. Based on distance and direction from the source area, the private supply wells are not considered to be at risk from the subsurface petroleum mass originating from the Site. The closest buried utilities are municipal water and sewer lines located to the east (upgradient) of the source area. At this time the utility corridors are not considered to be at risk of acting as conduits for plume migration based on the depth of groundwater and distance/direction in relation to the source area. One main structure is present on the property, the convenience store building. The building is built on slab and was screened for VOCs with a photoionization detector (PID) during the UST closure assessment; no VOCs were measured above background conditions. Given its construction, the immediate and future risk for a vapor intrusion is considered to be low. The nearest off-site building is located approximately 125 feet south of the Site and is not considered to be at risk for vapor intrusion based on distance/direction of the source area. The closest buildings downgradient of the Site are located approximately 250 feet northwest. These buildings are storage units built on concrete slabs. Given their purpose these buildings are presumed to not be occupied by humans for an extended period of time. There are no buildings located in the 2017 Groundwater Monitoring and Soil Stockpile Screening Report Shelburne Road Variety, South Burlington, Vermont 7 immediate vicinity of the Site to the west or east. No residential buildings are present in the immediate vicinity of the Site. The nearest major surface water is Lake Champlain, located approximately 1,500 west of the source area. This surface water is not believed to be at risk from the subsurface petroleum mass originating from the Site due the significant distance from the source area. A low wet area is present in the immediate vicinity of the Site to the west/northwest where monitoring wells MW11-7 thru MW11-11 were installed. Petroleum sheens have previously been noted on the surface water in this area in addition to gasoline odors. Analytical testing of surface water in 2010 indicated petroleum constituents in excess of VWQS. A visual inspection of this area was performed during the monitoring events performed in 2017. A biological sheen was noted during the April 2017; however, no petroleum sheens or odors were observed. No sheens or odors were observed during the other monitoring events performed in 2017. A drainage swale is located approximately 200 feet northwest of the Site. Petroleum sheens and odors have previously been observed in this area. Previous analytical testing of this area detected petroleum constituents in excess of VQWS. In December 2017, KAS collected a sample from the swale due to the observance of a visible sheen and petroleum odor. Petroleum constituents in excess of VQWS were detected and the present concentrations are the highest reported to date. Previous analytical testing at upstream locations has confirmed that impacts to the surface water also originate from the adjacent Burlington Mitsubishi property (SMS# 99-2633). 5.0 Conclusions Based on the results of the quarterly groundwater monitoring and annual soil stockpile screening efforts performed between January 2017 and December 2017, the following conclusions are offered: 1. Depth to liquid measurements collected in January 2017 were indicative of a seasonally low water table whereas as seasonally high water table was observed in April 2017. An overall seasonal lowering of the water table was observed during subsequent monitoring events performed in July and December 2017; however, water table fluctuations were observed at select locations. The groundwater flow direction for all four events was generally oriented to the northwest at a hydraulic gradient of approximately 7.0%, which is consistent with historic results; 2. Depressed water table conditions in the vicinity of MW10-6 after system startup in June 2015 resulted in the appearance of NAPL in this well. NAPL in this well appears to have since dissipated based on the lack of observable NAPL for seven consecutive sampling rounds. However, groundwater levels have increased at this location therefore it is unclear if NAPL will reappear under future depressed conditions. NAPL previously observed in MW10-2 and MW10-3 appears to have dissipated due to successful remediation efforts in this area; 3. Select dissolved-phase VOCs were reported above VGES in eight of the thirteen wells sampled in January 2017. Total reported VOC concentrations ranged from 4.8 to 14,399 ug/L. Moderate increases in VOC levels were observed in two wells; however all concentrations, except at MW10-6, remained well below average pre-system levels and within range of post- system concentrations; 2017 Groundwater Monitoring and Soil Stockpile Screening Report Shelburne Road Variety, South Burlington, Vermont 8 4. Quarterly sampling in April 2017 indicated dissolved-phase VOCs in excess of VGES in eleven of the fifteen wells sampled. Total reported VOC concentrations ranged from 5.5 to 18,506 ug/L. Moderate increases in VOC levels were observed in seven wells; however all concentrations, except at MW10-6, remained well below average pre-system levels and within range of post-system concentrations; 5. Quarterly sampling in July 2017 indicated dissolved-phase VOCs in excess of VGES in ten of the fourteen wells sampled. Total reported VOC concentrations ranged from 3.7 to 17,865 ug/L. Slight to moderate increases in VOC levels were observed in five wells; however all concentrations, except at MW10-6, remained well below average pre-system levels and within range of post-system concentrations; 6. Quarterly sampling in December 2017 indicated dissolved-phase VOCs in excess of VGES in nine of the fifteen wells sampled. Total reported VOC concentrations ranged from 2.0 to 19,987 ug/L. Slight to moderate increases in VOC levels were observed in four wells; however all concentrations, except at MW10-6, remained well below average pre-system levels and within range of post-system concentrations; 7. Dissolved phase concentrations continue to fluctuate over time at select well locations; however, an overall long-term declining concentration has been observed at most well locations. It appears the SVE/AS system, which began operation in June 2015, has been effective in reducing dissolved-phase VOC concentrations in the vicinity of the Site. Dissolved- phase VOC concentrations in on-site wells, except MW10-6, have declined by more than 45% when compared to average pre-system concentrations. Concentrations in off-site wells have declined by more than 95%. While a percent increase is noted at MW10-6 when compared to an average pre-system startup concentration, the present concentration is within range of levels previously observed and an overall decline of dissolved-phase constituents in the absence of NAPL has been observed; 8. The dissolved-phase plume appears to extend at least 200 feet in a northwesterly direction towards an off-site drainage swale. The January and April 2017 Groundwater VOC Distribution Maps show a clear break in the dissolved-phase plumes located off-site and on-site. A noticeable change in the plume configuration can be seen in the July and December 2017 maps primarily due to increasing dissolved-phase VOC concentrations at MW10-5. These maps suggest the on-site and off-site plumes have merged again which could indicate that off- site migration has resumed in the absence of active remedial efforts. The dissolved-phase plume has been mostly defined to the west, north and east; 9. Screening of the on-site soil stockpile in July 2017 indicated a slight reduction in VOC levels with PID readings ranging from 0.2 to 6.0 ppm; however the results may be biased low due to the presence of coarse gravel which prevented an assessment of soils at the base of the stockpile. Given the low decline of VOCs over time, the management difficulties of the polyethylene cover, the limited space available on-site for future thin-spreading and the close proximity of the stockpile to sensitive receptors (surface waters/wet areas), an alternative management plan such as off-site disposal should be considered; and, 10. Two sensitive receptors (low wet area and drainage swale surface water), other than soil and groundwater (on-site and off-site), have been identified as being impacted from subsurface petroleum impacts during recent or past site investigations. Petroleum constituents in excess of VQWS were detected in the drainage swale surface water sample analyzed in December 2017 and present concentrations are the highest reported to date. Previous analytical testing 2017 Groundwater Monitoring and Soil Stockpile Screening Report Shelburne Road Variety, South Burlington, Vermont 9 at upstream locations has confirmed that impacts to the surface water also originate from the adjacent Burlington Mitsubishi property (SMS# 99-2633). 6.0 Recommendations Based upon the above conclusions, KAS recommends the following actions: 1. Continued quarterly groundwater monitoring of fifteen site-related wells and a visual inspection of sensitive receptors during each monitoring event. The next sampling event should occur in late January/early February 2018. Data deliverable packages should be prepared after each monitoring event and an annual monitoring report should be prepared after the November/December 2018 sampling event. A cost estimate for the 2018 monitoring/reporting activities should be prepared and submitted to the VTDEC; 2. Based on the apparent continued off-site migration of the dissolved-phase plume and the impacts identified in downgradient surface water, the system should be restarted in early February 2018 without the AS component to determine vapor recovery rates with SVE alone. A cost estimate for three months of full system operation should be prepared and submitted to the VTDEC. Recommendations for AS startup should be communicated to the VTDEC after one month of SVE operation. System recovery results and additional recommendations such as long term operation, change out to carbon treatment and/or pulse sparging should be provided as a data deliverable package/email summary after three months of operation; and, 3. A cost evaluation for off-site disposal of the soil stockpile should be prepared and submitted to the VTDEC. 2017 Groundwater Monitoring Report Shelburne Road Variety, South Burlington, Vermont Appendix A 1) Site Location Map 2) Site Map 3) Groundwater Contour Maps 4) Groundwater VOC Distribution Maps 5) Soil Stockpile Sketch with Screening Locations SITE North KAS Job Number:410090357 Source: USGS 7.5' Mapping Mount Philo VT 1948, photorevised 1987 Date: 10/29/09 Drawing No 1 Scale: 1:24,000 By: JR USGS Mapping Shelburne Road Variety 1855 Shelburne Road South Burlington, VT Site Location Map VTDEC Number: 2010-4047KAS Job Number: 410090357Source: SketchDate: 08/02/17 Drawing No. 2Scale: NTS By: RTSHELBURNE ROAD VARIETY1855 Shelburne Road, South Burlington, VermontSoil Stockpile Sketch with Screening LocationsN O R T H 2017 Groundwater Monitoring Report Shelburne Road Variety, South Burlington, Vermont Appendix B Liquid Level Monitoring Data LIQUID LEVEL MONITORING DATAShelburne Road VarietySo. Burlington, VermontTop of Depth To Depth To Specific Corrected CorrectedWell I.D. Well Depth Well Depth Casing Product Water Product Gravity Water Depth Water Tablebsg btoc Elevation btoc btoc Thickness Of Product Equivalent To Water ElevationMW10-1 20.00 19.50 101.20 - 12.15 - - - - 89.05MW10-2 23.00 22.50 100.00 - 18.71 - - - - 81.29MW10-3 20.00 19.50 99.66 - 18.90 - - - - 80.76MW10-4 20.00 19.50 98.23 - 17.10 - - - - 81.13MW10-5 25.00 24.50 97.98 - 22.21 - - - - 75.77MW10-6 25.00 24.50 99.33 - 21.20 - - - - 78.13MW11-7 3.00 5.42 79.68 - 3.15 - - - - 76.53MW11-8 3.30 6.25 79.37 - 3.70 - - - - 75.67MW11-9 3.50 6.42 78.92 - 4.50 - - - - 74.42MW11-10 3.10 5.92 76.53 - 5.13 - - - - 71.40MW12-13 6.60 9.00 77.27 - 5.90 - - - - 71.37MW12-14 6.00 9.00 74.79 - 5.31 - - - - 69.48MW12-15 7.00 10.00 78.55 - 8.50 - - - - 70.05MW13-17 23.00 22.50 99.25 - 19.13 - - - - 80.12MW13-18 20.00 19.50 100.81 - 17.14 - - - - 83.67MW13-19 20.00 19.50 100.12 - 19.05 - - - - 81.07Top of Depth To Depth To Specific Corrected CorrectedWell I.D. Well Depth Well Depth Casing Product Water Product Gravity Water Depth Water Tablebsg btoc Elevation btoc btoc Thickness Of Product Equivalent To Water ElevationMW10-1 20.00 19.50 101.20 - 10.75 - - - - 90.45MW10-2 23.00 22.50 100.00 - 14.61 - - - - 85.39MW10-3 20.00 19.50 99.66 - 14.86 - - - - 84.80MW10-4 20.00 19.50 98.23 - 11.35 - - - - 86.88MW10-5 25.00 24.50 97.98 - 19.82 - - - - 78.16MW10-6 25.00 24.50 99.33 - 16.40 - - - - 82.93MW11-7 3.00 5.42 79.68 - 2.87 - - - - 76.81MW11-8 3.30 6.25 79.37 - 3.40 - - - - 75.97MW11-9 3.50 6.42 78.92 - 4.07 - - - - 74.85MW11-10 3.10 5.92 76.53 - 3.49 - - - - 73.04MW11-11 3.00 6.08 76.85 4.4572.40MW12-12 10.00 9.50 65.46 1.7363.73MW12-13 6.60 9.00 77.27 - 4.95 - - - - 72.32MW12-14 6.00 9.00 74.79 - 4.81 - - - - 69.98MW12-15 7.00 10.00 78.55 - 6.16 - - - - 72.39MW12-16 9.50 12.50 84.07 7.9576.12MW13-17 23.00 22.50 99.25 - 17.92 - - - - 81.33MW13-18 20.00 19.50 100.81 - 13.46 - - - - 87.35MW13-19 20.00 19.50 100.12 - 15.46 - - - - 84.66continued on next pageMeasurement Date: April 19, 2017Measurement Date: January 17, 2017VTDEC Site #2010-4047 LIQUID LEVEL MONITORING DATAShelburne Road VarietySo. Burlington, VermontTop of Depth To Depth To Specific Corrected CorrectedWell I.D. Well Depth Well Depth Casing Product Water Product Gravity Water Depth Water Tablebsg btoc Elevation btoc btoc Thickness Of Product Equivalent To Water ElevationMW10-1 20.00 19.50 101.20 - 11.41 - - - - 89.79MW10-2 23.00 22.50 100.00 - 15.07 - - - - 84.93MW10-3 20.00 19.50 99.66 - 15.06 - - - - 84.60MW10-4 20.00 19.50 98.23 - 13.48 - - - - 84.75MW10-5 25.00 24.50 97.98 - 19.56 - - - - 78.42MW10-6 25.00 24.50 99.33 - 16.70 - - - - 82.63MW11-7 3.00 5.42 79.68 - NM - - - - NMMW11-8 3.30 6.25 79.37 - 3.60 - - - - 75.77MW11-9 3.50 6.42 78.92 - 4.04 - - - - 74.88MW11-10 3.10 5.92 76.53 - 4.66 - - - - 71.87MW11-11 3.00 6.08 76.85 3.6673.19MW12-12 10.00 9.50 65.46 1.2864.18MW12-13 6.60 9.00 77.27 - 5.41 - - - - 71.86MW12-14 6.00 9.00 74.79 - 5.32 - - - - 69.47MW12-15 7.00 10.00 78.55 - 8.44 - - - - 70.11MW12-16 9.50 12.50 84.07 11.3872.69MW13-17 23.00 22.50 99.25 - 15.55 - - - - 83.70MW13-18 20.00 19.50 100.81 - 14.34 - - - - 86.47MW13-19 20.00 19.50 100.12 - 15.61 - - - - 84.51Top of Depth To Depth To Specific Corrected CorrectedWell I.D. Well Depth Well Depth Casing Product Water Product Gravity Water Depth Water Tablebsg btoc Elevation btoc btoc Thickness Of Product Equivalent To Water ElevationMW10-1 20.00 19.50 101.20 - 11.96 - - - - 89.24MW10-2 23.00 22.50 100.00 - 17.88 - - - - 82.12MW10-3 20.00 19.50 99.66 - 18.00 - - - - 81.66MW10-4 20.00 19.50 98.23 - 17.17 - - - - 81.06MW10-5 25.00 24.50 97.98 - 21.56 - - - - 76.42MW10-6 25.00 24.50 99.33 - 21.15 - - - - 78.18MW11-7 3.00 5.42 79.68 - 3.04 - - - - 76.64MW11-8 3.30 6.25 79.37 - 3.70 - - - - 75.67MW11-9 3.50 6.42 78.92 - 4.48 - - - - 74.44MW11-10 3.10 5.92 76.53 - 5.10 - - - - 71.43MW11-11 3.00 6.08 76.85 3.7673.09MW12-12 10.00 9.50 65.46 1.5663.90MW12-13 6.60 9.00 77.27 - NM - - - - NMMW12-14 6.00 9.00 74.79 - 6.14 - - - - 68.65MW12-15 7.00 10.00 78.55 - 7.61 - - - - 70.94MW12-16 9.50 12.50 84.07 11.1172.96MW13-17 23.00 22.50 99.25 - 18.11 - - - - 81.14MW13-18 20.00 19.50 100.81 - 17.07 - - - - 83.74MW13-19 20.00 19.50 100.12 - 18.19 - - - - 81.93All Values Reported in FeetElevations determined relative to top of casing of MW10-2, which was arbitrarily set at 100' bsg - Below Surface Grade Site surveyed by KAS, Inc. on June 30, 2010, April 11, 2011, January 10, 2013 and Sept. 26, 2013btoc - Below Top of Casing Wells MW12-12 thru MW12-16 were surveyed by Button Professional Land Surveyors on July 16-17, 2014 and tied NM - Not measured into MW10-2.Measurement Date: December 4, 2017Measurement Date: July 26, 2017VTDEC Site #2010-4047 LIQUID LEVEL MONITORING DATA Shelburne Road Variety So. Burlington, Vermont Well I.D. 7/15/2010 12/22/2010 4/22/2011 12/1/2011 7/11/2012 1/22/2013 5/7/2015 10/21/2015* 12/8/2015 MW10-1 88.90 89.50 89.81 89.33 88.98 89.69 89.43 NM NM MW10-2 83.25 84.10 85.80 83.50 82.88 83.12 82.17 82.01 82.88 MW10-3 82.37 83.18 84.80 82.51 81.95 82.12 81.29 83.26 82.00 MW10-4 81.88 82.32 83.74 81.33 80.85 81.09 81.23 81.35 83.45 MW10-5 77.15 77.13 79.49 76.90 77.15 77.56 89.62 77.70 76.04 MW10-6 81.36 80.94 83.32 80.46 80.72 80.97 80.17 77.81 78.08 MW11-7 - -77.16 77.02 76.70 77.12 76.46 NM NM MW11-8 - -76.17 75.96 74.46 75.93 75.63 NM NM MW11-9 - -75.47 75.18 74.14 75.12 74.58 NM NM MW11-10 - -72.78 72.32 69.84 71.81 71.33 NM NM MW11-11 - -73.61 73.31 71.70 73.22 73.14 NM NM MW12-12 - -- - 59.81 63.07 63.28 NM NM MW12-13 - -- - 70.77 71.97 70.56 NM NM MW12-14 - -- - 69.22 69.57 70.00 67.20 NM MW12-15 - -- - 69.10 72.01 71.77 NM NM MW12-16 - -- - 72.05 74.94 74.83 NM NM MW13-17 - -- - -80.91 80.60 81.76 81.11 MW13-18 - -- - -84.29 84.36 86.72 85.16 MW13-19 --- - -NM 81.28 82.41 81.64 Well I.D. 1/6/2016* 1/7/2016 3/30/2016 7/8/2016 11/2/2016 1/17/2017 4/19/2017 7/26/2017 12/4/2017 MW10-1 89.54 89.57 NM 88.97 88.69 89.05 90.45 89.79 89.24 MW10-2 80.55 81.98 84.06 82.42 81.07 81.29 85.39 84.93 82.12 MW10-3 82.17 80.56 83.51 82.00 80.77 80.76 84.80 84.60 81.66 MW10-4 NM NM 83.81 81.05 81.17 81.13 86.88 84.75 81.06 MW10-5 75.31 DRY 76.49 75.70 76.10 75.77 78.16 78.42 76.42 MW10-6 77.97 79.28 81.41 80.17 79.79 78.13 82.93 82.63 78.18 MW11-7 NM NM NM NM 76.41 76.53 76.81 NM 76.64 MW11-8 NM 75.59 NM NM 75.35 75.67 75.97 75.77 75.67 MW11-9 NM 74.54 NM 73.11 74.06 74.42 74.85 74.88 74.44 MW11-10 NM 71.71 NM DRY DRY 71.40 73.04 71.87 71.43 MW11-11 NM NM NM NM NM NM 72.40 73.19 73.09 MW12-12 NM NM NM NM NM NM 63.73 64.18 63.90 MW12-13 NM 71.75 NM 69.73 69.21 71.37 72.32 71.86 NM MW12-14 NM 69.71 70.25 NM 66.64 69.48 69.98 69.47 68.65 MW12-15 NM 71.86 NM 69.60 DRY 70.05 72.39 70.11 70.94 MW12-16 NM NM NM NM NM NM 76.12 72.69 72.96 MW13-17 78.00 78.90 82.11 81.11 79.81 80.12 81.33 83.70 81.14 MW13-18 85.72 84.77 85.46 83.78 84.32 83.67 87.35 86.47 83.74 MW13-19 81.72 81.73 82.30 NM 81.22 81.07 84.66 84.51 81.93 All Values Reported in Feet NM - Not measured Elevations determined relative to top of casing of MW10-2, which was arbitrarily set at 100' Site surveyed by KAS, Inc. on June 30, 2010, April 11, 2011, January 10, 2013 and Sept. 26, 2013 Wells MW12-12 thru MW12-16 were surveyed by Button Professional Land Surveyors on July 16-17, 2014 and tied in to MW10-2. LNAPL detected * Measurements taken during SVE/AS system operation HISTORIC GROUNDWATER ELEVATIONS VTDEC Site #2010-4047 2017 Groundwater Monitoring Report Shelburne Road Variety, South Burlington, Vermont Appendix C Groundwater Quality Summary Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont January 17, 2017 Groundwater Quality Summary Table Monitoring Well MW10-2 MW10-3 MW10-4 MW10-5 MW10-6 MW11-7 MW11-8 MW11-9 PARAMETER 8021B 8021B 8021B 8021B 8021B 8021B 8021B VGES Benzene 1,500 ND(1.0)9.1 2,000 ND(1.0)16.4 423 5 Toluene 1,190 No ND(1.0)2.4 2,260 ND(1.0)ND(1.0)ND(20.0)1000 Ethylbenzene 2,280 Sample ND(1.0)6.3 1,860 ND(1.0)ND(1.0)548 700 Xylenes 5,970 ND(2.0)36.6 6,120 ND(2.0)ND(2.0)807 10000 Total BTEX 10,940 ND 54.4 12,240 ND 16.4 1,778 - MTBE 1,010 Insufficient ND(2.0)45.6 ND(200)4.8 22.7 177 40 1,3,5-Trimethybenzene 569 Amount ND(1.0)23.5 248 ND(1.0)ND(1.0)45.4 1,2,4-Trimethylbenzene 1,880 of Water ND(1.0)46.0 764 ND(1.0)44.0 504 Naphthalene ND(400)ND(2.0)6.2 ND(200)ND(2.0)ND(2.0)96.3 20 Total Targeted VOCs 14,399 ND 175.7 13,252 4.8 83.1 2,601 - Monitoring Well MW11-10 MW12-13 MW12-14 MW12-15 MW13-17 MW13-18 PARAMETER 8021B 8021B 8021B 8021B 8021B VGES Benzene ND(1.0)ND(1.0)90.4 ND(1.0)397 562 5 Toluene ND(1.0)ND(1.0)6.5 ND(1.0)2,100 ND(20.0)1000 Ethylbenzene ND(1.0)ND(1.0)8.2 ND(1.0)660 615 700 Xylenes ND(2.0)ND(2.0)57.8 ND(2.0)3,560 ND(40.0)10000 Total BTEX ND ND 162.9 ND 6,717 1,177 - MTBE ND(2.0)5.6 19.2 ND(2.0)350 57.5 40 1,3,5-Trimethybenzene ND(1.0)ND(1.0)4.1 ND(1.0)143 ND(20.0) 1,2,4-Trimethylbenzene ND(1.0)ND(1.0)11.5 ND(1.0)402 431 Naphthalene ND(2.0)ND(2.0)2.5 ND(2.0)ND(100)45.5 20 Total Targeted VOCs ND 5.6 200.2 ND 7,612 1,711 - Surface Water Low Wet Area PARAMETER VWQS Benzene 1.2 Toluene Visual Visual 6,800 Ethylbenzene Inspection Inspection 3,100 Xylenes Only Only - Total BTEX - MTBE No No - 1,3,5-Trimethybenzene Odor or Sheen Water 1,2,4-Trimethylbenzene Observed Observed Naphthalene - Total Targeted VOCs - All Values Reported in ug/L (ppb) VGES - Vermont Groundwater Enforcement Standard (February 14, 2005) VWQS - Vermont Water Quality Standards (January 1, 2008) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES / VWQS All samples collected while SVE/AS system was not in operation 350 350 - VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont April 19, 2017 Groundwater Quality Summary Table Monitoring Well MW10-2 MW10-3 MW10-4 MW10-5 MW10-6 MW11-7 MW11-8 MW11-9 PARAMETER 8021B 8021B 8021B 8021B 8021B 8021B 8021B 8021B VGES Benzene 335 110 ND(1.0)260 1,840 ND(1.0)10.6 394 5 Toluene 139 254 ND(1.0)127 6,070 ND(1.0)1.0 17.1 1000 Ethylbenzene 446 285 ND(1.0)71.0 1,780 ND(1.0)1.5 192 700 Xylenes 1,040 1,830 ND(2.0)327 7,170 ND(2.0)ND(2.0)225 10000 Total BTEX 1,960 2,479 ND 785 16,860 ND 13.1 828 - MTBE 209 39.9 ND(2.0)256 432 5.8 16.1 234 40 1,3,5-Trimethybenzene ND(50.0)51.0 ND(1.0)71.4 270 ND(1.0)ND(1.0)12.4 1,2,4-Trimethylbenzene 364 152 ND(1.0)165 944 ND(1.0)15.4 137 Naphthalene ND(100)31.1 ND(2.0)ND(40.0)ND(200)ND(2.0)ND(2.0)26.1 20 Total Targeted VOCs 2,533 2,753 ND 1,277 18,506 5.8 44.6 1,238 - Monitoring Well MW11-10 MW11-11 MW12-12 MW12-13 MW12-14 MW12-15 MW13-17 PARAMETER 8021B 8021B 8021B 8021B 8021B 8021B 8021B VGES Benzene ND(1.0)ND(1.0)ND(1.0)1,640 986 55.8 528 5 Toluene ND(1.0)ND(1.0)ND(1.0)253 2,130 1.5 4,850 1000 Ethylbenzene ND(1.0)ND(1.0)ND(1.0)741 301 6.5 1,500 700 Xylenes ND(2.0)ND(2.0)ND(2.0)1,840 1,490 7.1 8,340 10000 Total BTEX ND ND ND 4,474 4,907 70.9 15,218 - MTBE 48.6 5.5 ND(2.0)285 120 18.2 577 40 1,3,5-Trimethybenzene ND(1.0)ND(1.0)ND(1.0)27.4 54.0 ND(1.0)327 1,2,4-Trimethylbenzene ND(1.0)ND(1.0)ND(1.0)477 163 2.6 1,060 Naphthalene ND(2.0)ND(2.0)ND(2.0)79.6 36.6 ND(2.0)181 20 Total Targeted VOCs 48.6 5.5 ND 5,343 5,281 91.7 17,363 - Surface Water Low Wet Area PARAMETER VWQS Benzene 2.1 Toluene Visual Visual 57 Ethylbenzene Inspection Inspection 68 Xylenes Only Only - Total BTEX - MTBE No Petroleum No Petroleum - 1,3,5-Trimethybenzene Odor or Sheen Odor or Sheen 1,2,4-Trimethylbenzene Observed Observed Naphthalene - Total Targeted VOCs - All Values Reported in ug/L (ppb) VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) VWQS - Vermont Water Quality Standards (January 15, 2017) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed applicable VGES / VWQS (at time of sampling) All samples collected while SVE/AS system was not in operation 350 - 350 VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont July 26, 2017 Groundwater Quality Summary Table Monitoring Well MW10-2 MW10-3 MW10-4 MW10-5 MW10-6 MW11-7 MW11-8 MW11-9 PARAMETER 8021B 8021B 8021B 8021B 8021B 8021B 8021B 8021B VGES Benzene 785 115 ND(1.0)516 1,380 38.1 334 5 Toluene 388 268 ND(1.0)1,640 4,050 No 7.2 13.3 1,000 Ethylbenzene 865 257 ND(1.0)379 1,710 Sample 7.5 167 700 Xylenes 1,150 1,310 ND(2.0)2,430 6,560 13.4 174 10,000 Total BTEX 3,188 1,950 ND 4,965 13,700 66.2 688 - MTBE 377 ND(40.0) ND(2.0)518 ND(200)Unable to 45.3 119 40 1,3,5-Trimethybenzene ND(20.0)56.1 ND(1.0)240 279 locate ND(1.0)12.1 1,2,4-Trimethylbenzene 690 184 ND(1.0)505 913 due to thick 21.2 171 Naphthalene 85.9 ND(40.0)ND(2.0)65.9 ND(200)vegetation ND(2.0)41.7 20 Total Targeted VOCs 4,341 2,190 ND 6,294 14,892 132.7 1,032 - Monitoring Well MW11-10 MW11-11 MW12-12 MW12-13 MW12-14 MW12-15 MW13-17 PARAMETER 8021B 8021B 8021B 8021B 8021B 8021B 8021B VGES Benzene ND(1.0)ND(1.0)ND(1.0)1,430 645 486 655 5 Toluene ND(1.0)ND(1.0)ND(1.0)38.7 608 309 3,670 1,000 Ethylbenzene ND(1.0)ND(1.0)ND(1.0)377 201 108 1,710 700 Xylenes ND(2.0)ND(2.0)ND(2.0)204 656 328 9,150 10,000 Total BTEX ND ND ND 2,050 2,110 1,231 15,185 - MTBE ND(2.0)3.7 ND(2.0)288 79.1 53.8 841 40 1,3,5-Trimethybenzene ND(1.0)ND(1.0)ND(1.0)ND(20.0)31.8 5.9 404 1,2,4-Trimethylbenzene ND(1.0)ND(1.0)ND(1.0)173 101 31.4 1,230 Naphthalene ND(2.0)ND(2.0)ND(2.0)41.6 ND(40.0)2.6 205 20 Total Targeted VOCs ND 3.7 ND 2,552 2,322 1,325 17,865 - Surface Water Low Wet Area PARAMETER VWQS Benzene 2.1 Toluene Visual Visual 57 Ethylbenzene Inspection Inspection 68 Xylenes Only Only - Total BTEX - MTBE No Petroleum No Petroleum - 1,3,5-Trimethybenzene Odor or Sheen Odor or Sheen 1,2,4-Trimethylbenzene Observed Observed Naphthalene - Total Targeted VOCs - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) VWQS - Vermont Water Quality Standards (January 15, 2017) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed applicable VGES / VWQS (at time of sampling) All samples collected while SVE/AS system was not in operation 350 350 - VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont December 4, 2017 Groundwater Quality Summary Table Monitoring Well MW10-2 MW10-3 MW10-4 MW10-5 MW10-6 MW11-7 MW11-8 MW11-9 PARAMETER 8021B 8021B 8021B 8021B 8021B 8021B 8021B 8021B VGES Benzene 1,090 111 ND(1.0)471 1,470 ND(1.0)12.2 332 5 Toluene 357 15.6 ND(1.0)545 4,860 ND(1.0)ND(1.0)17.4 1,000 Ethylbenzene 1,970 83.1 ND(1.0)536 2,450 ND(1.0)ND(1.0)283 700 Xylenes 2,620 142 ND(2.0)3,280 9,100 ND(2.0)ND(2.0)334 10,000 Total BTEX 6,037 352 ND 4,832 17,880 ND 12.2 966 - MTBE 742 17.0 ND(2.0)511 ND(200)3.0 20.6 196 40 1,3,5-Trimethybenzene 115 28.6 ND(1.0)321 447 ND(1.0)ND(1.0)28.2 1,2,4-Trimethylbenzene 1,300 103 ND(1.0)664 1,410 ND(1.0)6.1 370 Naphthalene 206 11.7 ND(2.0)92.6 250 ND(2.0)ND(2.0)77.4 20 Total Targeted VOCs 8,400 512 ND 6,421 19,987 3.0 38.9 1,638 - Monitoring Well MW11-10 MW11-11 MW12-12 MW12-13 MW12-14 MW12-15 MW13-17 PARAMETER 8021B 8021B 8021B 8021B 8021B 8021B 8021B VGES Benzene ND(1.0)ND(1.0)ND(1.0)33.2 36.2 2.0 790 5 Toluene ND(1.0)ND(1.0)ND(1.0)ND(1.0)9.7 ND(1.0)2,390 1,000 Ethylbenzene ND(1.0)ND(1.0)ND(1.0)3.9 13.5 ND(1.0)1,600 700 Xylenes ND(2.0)ND(2.0)ND(2.0)ND(2.0)24.2 ND(2.0)8,140 10,000 Total BTEX ND ND ND 37.1 83.6 2.0 12,920 - MTBE ND(2.0)3.0 ND(2.0)16.7 14.5 ND(2.0)1,270 40 1,3,5-Trimethybenzene ND(1.0)ND(1.0)ND(1.0)ND(1.0)ND(1.0)ND(1.0)388 1,2,4-Trimethylbenzene ND(1.0)ND(1.0)ND(1.0)ND(1.0)6.6 ND(1.0)1,110 Naphthalene ND(2.0)ND(2.0)ND(2.0)ND(2.0)ND(2.0)ND(2.0)192 20 Total Targeted VOCs ND 3.0 ND 53.8 104.7 2.0 15,880 - Surface Water Low Wet Area PARAMETER VWQS Benzene 292 2.1 Toluene 521 Visual 57 Ethylbenzene 105 Inspection 68 Xylenes 446 Only - Total BTEX 1,364 - MTBE 85.0 No Petroleum - 1,3,5-Trimethybenzene 14.4 Odor or Sheen 1,2,4-Trimethylbenzene 45.7 Observed Naphthalene 8.5 - Total Targeted VOCs 1,518 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) VWQS - Vermont Water Quality Standards (January 15, 2017) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed applicable VGES / VWQS (at time of sampling) All samples collected while SVE/AS system was not in operation 350 350 - VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont MW10-1 Sample Date 7/15/2010 12/22/2010 4/22/2011 12/1/2011 7/11/2012 1/22/2013 5/7/2015 Method 8260B 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 39.8 79.8 30.3 17.4 9.1 5 Toluene ND<5.0 3.2 ND<1.0 Well ND<1.0 Well ND<5.0 1000 Ethylbenzene ND<5.0 2.3 ND<1.0 Not ND<1.0 Not ND<5.0 700 Xylenes ND<10.0 12.4 ND<2.0 Sampled ND<2.0 Sampled ND<10.0 10000 Total BTEX 39.8 97.7 30.3 17.4 9.1 - MTBE 17.1 78.1 73.5 51.5 61.0 40 1,3,5-Trimethybenzene ND<5.0 ND<1.0 ND<1.0 ND<1.0 ND<5.0 1,2,4-Trimethylbenzene ND<5.0 4.0 ND<1.0 ND<1.0 ND<5.0 Naphthalene ND<10.0 ND<2.0 ND<2.0 ND<2.0 ND<10.0 20 Total Targeted VOCs 56.9 179.8 103.8 68.9 70.1 - GW Elevation (ft bg) 88.90 89.50 89.81 89.33 88.98 89.69 89.43 - Sample Date 1/6/2016 1/7/2016 7/8/2016 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B PARAMETER *SVE/AS on VGES Benzene ND(1.0)ND(1.0)5 Toluene No ND(1.0)ND(1.0)No No No 1000 Ethylbenzene Sample ND(1.0)ND(1.0)Sample Sample Sample 700 Xylenes ND(2.0)ND(2.0)10000 Total BTEX ND ND - MTBE 30.8 11.1 40 1,3,5-Trimethybenzene Gauge ND(1.0)ND(1.0)Gauge Gauge Gauge 1,2,4-Trimethylbenzene Only ND(1.0)ND(1.0)Only Only Only Naphthalene ND(2.0)ND(2.0)20 Total Targeted VOCs 30.8 11.1 - GW Elevation (ft bg) 89.54 89.57 88.97 90.45 89.79 89.24 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) * Sampling or gauging occurred while SVE/AS remedial system in operation 350 350 88.80 89.10 89.40 89.70 90.00 90.30 90.60 0 100 200 300 400 500 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW10-1 VOC Concentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC # 2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont MW10-2 Sample Date 7/15/2010 12/22/2010 4/22/2011 12/1/2011 7/11/2012 1/22/2013 5/7/2015 Method 8260B 8021B 8021B 8021B PARAMETER VGES Benzene 9,920 18,900 13,400 7,520 5 Toluene 45,300 51,700 53,500 Well Well 32,300 Well 1000 Ethylbenzene 3,420 4,550 4,710 Not Not 3,790 Not 700 Xylenes 18,700 26,100 24,900 Sampled Sampled 19,900 Sampled 10000 Total BTEX 77,340 101,250 96,510 63,510 - MTBE 9,330 27,100 20,000 LNAPL LNAPL 6,020 LNAPL 40 1,3,5-Trimethybenzene 505 734 889 Present Present ND<1,000 Present 1,2,4-Trimethylbenzene 1,750 2,830 3,110 (0.01 ft)(thin layer)1,680 (0.02 ft) Naphthalene ND<1,000 ND<400 ND<1,000 ND<2,000 20 Total Targeted VOCs 91,265 131,914 120,509 71,210 - GW Elevation (ft bg) 83.25 84.10 85.80 83.50 82.88 83.12 82.17 - Sample Date 10/21/2015 12/8/2015 1/6/2016 1/7/2016 3/30/2016 7/8/2016 11/2/2016 Method 8021B 8021B 8021B 8021B 8021B PARAMETER *SVE/AS on *SVE/AS on VGES Benzene 1,400 406 341 372 2,190 5 Toluene 17,600 No No 4,310 512 562 1,010 1000 Ethylbenzene 3,680 Sample Sample 1,560 281 781 3,650 700 Xylenes 22,900 9,130 1,800 3,100 9,470 10000 Total BTEX 45,580 15,406 2,934 4,815 16,320 - MTBE ND(400) ND(400)314 243 1,380 40 1,3,5-Trimethybenzene 1,290 Gauge Gauge 739 119 305 1,420 1,2,4-Trimethylbenzene 4,210 Only Only 2,080 405 881 4,020 Naphthalene 550 282 ND(100)ND(200)469 20 Total Targeted VOCs 51,630 18,507 3,772 6,244 23,609 - GW Elevation (ft bg) 82.01 82.88 80.55 81.98 84.06 82.42 81.07 - Sample Date 1/17/2017 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 1,500 335 785 1,090 5 Toluene 1,190 139 388 357 1000 Ethylbenzene 2,280 446 865 1,970 700 Xylenes 5,970 1,040 1,150 2,620 10000 Total BTEX 10,940 1,960 3,188 6,037 - MTBE 1,010 209 377 742 40 1,3,5-Trimethybenzene 569 ND(50.0) ND(20.0)115 1,2,4-Trimethylbenzene 1,880 364 690 1,300 Naphthalene ND(400)ND(100)85.9 206 20 Total Targeted VOCs 14,399 2,533 4,341 8,400 - GW Elevation (ft bg) 81.29 85.39 84.93 82.12 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) * Sampling or gauging occurred while SVE/AS remedial system in operation 350 350 350 79.0 80.0 81.0 82.0 83.0 84.0 85.0 86.0 0 20,000 40,000 60,000 80,000 100,000 120,000 140,000 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW10-2 VOC Concentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC # 2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont MW10-3 Sample Date 7/15/2010 12/22/2010 4/22/2011 12/1/2011 7/11/2012 1/22/2013 5/7/2015 Method 8260B 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 12,600 4,860 9,600 6,100 2,260 5 Toluene 46,500 11,200 28,500 25,600 Well Well 6,210 1000 Ethylbenzene 3,640 2,290 4,690 3,480 Not Not 3,190 700 Xylenes 18,300 11,300 22,000 16,500 Sampled Sampled 15,300 10000 Total BTEX 81,040 29,650 64,790 51,680 26,960 - MTBE 4,120 885 3,060 743 LNAPL LNAPL ND<400 40 1,3,5-Trimethybenzene 520 685 1,310 617 Present Present 1,540 1,2,4-Trimethylbenzene 1,980 2,570 4,410 2,180 (thin layer)(0.01 ft)4,700 Naphthalene ND<1,000 ND<400 ND<1,000 ND<400 477 20 Total Targeted VOCs 88,850 33,790 73,570 55,220 33,677 - GW Elevation (ft bg) 82.37 83.18 84.80 82.51 81.95 82.12 81.29 - Sample Date 10/21/2015 12/8/2015 1/6/2016 1/7/2016 3/30/2016 7/8/2016 11/2/2016 Method 8021B 8021B 8021B PARAMETER *SVE/AS on *SVE/AS on VGES Benzene ND(20.0)1,550 109 5 Toluene 49.7 No No No 8,100 1,080 No 1000 Ethylbenzene ND(20.0)Sample Sample Sample 1,490 247 Sample 700 Xylenes 842 7,500 1,390 10000 Total BTEX 892 18,640 2,826 - MTBE 68.4 Insufficient ND(200) ND(40.0) Insufficient 40 1,3,5-Trimethybenzene 636 Gauge Gauge Amount 173 47.0 Amount 1,2,4-Trimethylbenzene 305 Only Only of Water 686 141 of Water Naphthalene ND(40.0)130 ND(40.0)20 Total Targeted VOCs 1,901 19,629 3,014 - GW Elevation (ft bg) 83.26 82.00 82.17 80.56 83.51 82.00 80.77 - Sample Date 1/17/2017 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B 8021B PARAMETER VGES Benzene 110 115 111 5 Toluene No 254 268 15.6 1000 Ethylbenzene Sample 285 257 83.1 700 Xylenes 1,830 1,310 142 10000 Total BTEX 2,479 1,950 352 - MTBE Insufficient 39.9 ND(40.0)17.0 40 1,3,5-Trimethybenzene Amount 51.0 56.1 28.6 1,2,4-Trimethylbenzene of Water 152 184 103 Naphthalene 31.1 ND(40.0)11.7 20 Total Targeted VOCs 2,753 2,190 512 - GW Elevation (ft bg) 80.76 84.80 84.60 81.66 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) * Sampling or gauging occurred while SVE/AS remedial system in operation 350 350 350 80.00 81.00 82.00 83.00 84.00 85.00 0 10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000 90,000 100,000 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW10-3 VOC Concentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC # 2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont MW10-4 Sample Date 7/15/2010 12/22/2010 4/22/2011 12/1/2011 7/11/2012 1/22/2013 5/7/2015 Method 8260B 8021B 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 261 22.5 3.0 85.1 103 1.6 5 Toluene 40.3 12.1 1.9 Well 15.5 16.5 ND<1.0 1000 Ethylbenzene ND<5.0 ND<1.0 ND<1.0 Not ND<1.0 1.2 ND<1.0 700 Xylenes ND<10.0 ND<2.0 ND<2.0 Sampled 3.5 4.1 ND<2.0 10000 Total BTEX 301 34.6 4.9 104.1 125 1.6 - MTBE 475 14.8 3.2 114 132 ND<2.0 40 1,3,5-Trimethybenzene ND<5.0 ND<1.0 ND<1.0 ND<1.0 ND<1.0 ND<1.0 1,2,4-Trimethylbenzene ND<5.0 1.2 ND<1.0 ND<1.0 ND<1.0 ND<1.0 Naphthalene ND<10.0 ND<2.0 ND<2.0 ND<2.0 ND<2.0 ND<2.0 20 Total Targeted VOCs 918 50.6 8.1 218 257 1.6 - GW Elevation (ft bg) 81.88 82.32 83.74 81.33 80.85 81.09 81.23 - Sample Date 10/21/2015 12/8/2015 1/6/2016 1/7/2016 3/30/2016 7/8/2016 11/2/2016 Method 8021B 8021B 8021B 8021B 8021B PARAMETER *SVE/AS on *SVE/AS on VGES Benzene 3.3 1.1 2.1 2.3 5 Toluene ND(1.0)No No No ND(1.0)ND(1.0)ND(1.0)1000 Ethylbenzene ND(1.0)Sample Gauge Sample ND(1.0)ND(1.0)ND(1.0)700 Xylenes ND(2.0)ND(2.0)ND(2.0)ND(2.0)10000 Total BTEX 3.3 1.1 2.1 2.3 - MTBE 2.1 Well Well ND(2.0)2.1 ND(2.0) 40 1,3,5-Trimethybenzene ND(1.0)Gauge Obstructed Obstructed ND(1.0)ND(1.0)ND(1.0) 1,2,4-Trimethylbenzene ND(1.0)Only by Snow Pile by Snow Pile ND(1.0)ND(1.0)ND(1.0) Naphthalene ND(2.0)ND(2.0)ND(2.0)ND(2.0)20 Total Targeted VOCs 5.4 1.1 4.2 2.3 - GW Elevation (ft bg) 81.35 83.45 83.81 81.05 81.17 - Sample Date 1/17/2017 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B 8021B 8021B PARAMETER VGES Benzene ND(1.0)ND(1.0)ND(1.0)ND(1.0)5 Toluene ND(1.0)ND(1.0)ND(1.0)ND(1.0)1000 Ethylbenzene ND(1.0)ND(1.0)ND(1.0)ND(1.0)700 Xylenes ND(2.0)ND(2.0)ND(2.0)ND(2.0)10000 Total BTEX ND ND ND ND - MTBE ND(2.0) ND(2.0) ND(2.0) ND(2.0)40 1,3,5-Trimethybenzene ND(1.0)ND(1.0)ND(1.0)ND(1.0) 1,2,4-Trimethylbenzene ND(1.0)ND(1.0)ND(1.0)ND(1.0) Naphthalene ND(2.0)ND(2.0)ND(2.0)ND(2.0)20 Total Targeted VOCs ND ND ND ND - GW Elevation (ft bg) 81.13 86.88 84.75 81.06 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) * Sampling or gauging occurred while SVE/AS remedial system in operation 350 350 350 80.75 81.75 82.75 83.75 84.75 85.75 86.75 0 150 300 450 600 750 900 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW10-4 VOC Concentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont MW10-5 Sample Date 7/15/2010 12/22/2010 4/22/2011 12/1/2011 7/11/2012 1/22/2013 5/7/2015 Method 8260B 8021B 8021B 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 13,900 21,100 14,600 12,800 10,100 7,290 ND<1.0 5 Toluene 47,300 58,100 47,800 41,800 37,000 26,500 ND<1.0 1000 Ethylbenzene 3,580 6,470 4,370 2,980 3,400 2,320 ND<1.0 700 Xylenes 18,000 31,700 22,000 14,200 15,800 11,300 ND<2.0 10000 Total BTEX 82,780 117,370 88,770 71,780 66,300 47,410 ND - MTBE 4,500 4,690 4,520 2,880 1,600 1,370 ND<2.0 40 1,3,5-Trimethybenzene 555 2,420 1,010 ND<1,000 555 ND<500 ND<1.0 1,2,4-Trimethylbenzene 1,890 7,660 3,400 1,590 1,840 1,000 ND<1.0 Naphthalene ND<1,000 ND<1,000 ND<1,000 ND<2,000 ND<1,000 ND<1,000 ND<2.0 20 Total Targeted VOCs 89,725 132,140 97,700 76,250 70,295 49,780 ND - GW Elevation (ft bg) 77.15 77.13 79.49 76.90 77.15 77.56 89.62 - Sample Date 10/21/2015 12/8/2015 1/6/2016 1/7/2016 3/30/2016 7/8/2016 11/2/2016 Method 8021B 8021B 8021B 8021B 8021B PARAMETER *SVE/AS on *SVE/AS on VGES Benzene ND(50.0)81.0 44.4 429 5 Toluene 164 No No No 175 17.2 246 1000 Ethylbenzene 63.8 Sample Sample Sample 53.5 15.6 127 700 Xylenes 5,360 438 89.0 856 10000 Total BTEX 5,588 748 166.2 1,658 - MTBE 101 283 95.3 315 40 1,3,5-Trimethybenzene 1,560 Gauge Gauge Well ND(50.0)29.9 266 1,2,4-Trimethylbenzene 2,970 Only Only Dry 77.5 67.5 615 Naphthalene 673 ND(100)6.2 61.7 20 Total Targeted VOCs 10,892 1,108 365.1 2,916 - GW Elevation (ft bg) 77.20 76.04 75.31 76.49 75.70 76.10 - Sample Date 1/17/2017 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 9.1 260 516 471 5 Toluene 2.4 127 1,640 545 1000 Ethylbenzene 6.3 71.0 379 536 700 Xylenes 36.6 327 2,430 3,280 10000 Total BTEX 54.4 785 4,965 4,832 - MTBE 45.6 256 518 511 40 1,3,5-Trimethybenzene 23.5 71.4 240 321 1,2,4-Trimethylbenzene 46.0 165 505 664 Naphthalene 6.2 ND(40.0)65.9 92.6 20 Total Targeted VOCs 175.7 1,277 6,294 6,421 - GW Elevation (ft bg) 75.77 78.16 78.42 76.42 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) * Sampling or gauging occurred while SVE/AS remedial system in operation 350 350 350 75.00 77.00 79.00 81.00 83.00 85.00 87.00 89.00 91.00 0 20,000 40,000 60,000 80,000 100,000 120,000 140,000 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW10-5 VOC Concentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont MW10-6 Sample Date 7/15/2010 12/22/2010 4/22/2011 12/1/2011 7/11/2012 1/22/2013 5/7/2015 Method 8260B 8021B 8021B 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 1,470 2,060 3,810 1,360 253 291 172 5 Toluene 6,500 7,600 13,900 1,700 426 378 239 1000 Ethylbenzene 873 876 1,450 434 65.3 121 297 700 Xylenes 4,080 3,520 6,190 1,460 304 377 939 10000 Total BTEX 12,923 14,056 25,350 4,954 1,048 1,167 1,647 - MTBE 231 273 495 147 ND<100 107 ND<400 40 1,3,5-Trimethybenzene 274 268 332 109 58.5 82.6 277 1,2,4-Trimethylbenzene 1,020 888 1,190 390 219 261 604 Naphthalene 141 189 238 128 169 214 ND<400 20 Total Targeted VOCs 14,704 15,674 27,605 5,728 1,495 1,832 2,528 - GW Elevation (ft bg) 81.36 80.94 83.32 80.46 80.72 80.97 80.17 - Sample Date 10/21/2015 12/8/2015 1/6/2016 1/7/2016 3/30/2016 7/8/2016 11/2/2016 Method 8021B 8021B 8021B 8021B 8021B PARAMETER *SVE/AS on *SVE/AS on VGES Benzene 5,690 4,560 2,200 5 Toluene Well No Sample No Sample Well 7,320 8,400 4,950 1000 Ethylbenzene Not Gauge Gauge Not 2,830 2,670 2,430 700 Xylenes Sampled Only Only Sampled 10,700 10,100 9,200 10000 Total BTEX 26,540 25,730 18,780 - MTBE LNAPL LNAPL LNAPL LNAPL 362 ND(200) ND(200) 40 1,3,5-Trimethybenzene Present Present Present Present 312 377 489 1,2,4-Trimethylbenzene (0.1 ft)(<2mm)(0.02 ft)(0.01 ft)1,280 1,400 1,480 Naphthalene 257 259 236 20 Total Targeted VOCs 28,751 27,766 20,985 - GW Elevation (ft bg) 77.81 78.08 77.98 79.28 81.41 80.17 79.79 - Sample Date 1/17/2017 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 2,000 1,840 1,380 1,470 5 Toluene 2,260 6,070 4,050 4,860 1000 Ethylbenzene 1,860 1,780 1,710 2,450 700 Xylenes 6,120 7,170 6,560 9,100 10000 Total BTEX 12,240 16,860 13,700 17,880 - MTBE ND(200)432 ND(200) ND(200)40 1,3,5-Trimethybenzene 248 270 279 447 1,2,4-Trimethylbenzene 764 944 913 1,410 Naphthalene ND(200)ND(200)ND(200)250 20 Total Targeted VOCs 13,252 18,506 14,892 19,987 - GW Elevation (ft bg) 78.13 82.93 82.63 78.18 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) * Sampling or gauging occurred while SVE/AS remedial system in operation 350 350 350 77.00 78.00 79.00 80.00 81.00 82.00 83.00 84.00 0 3,000 6,000 9,000 12,000 15,000 18,000 21,000 24,000 27,000 30,000 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW10-6 VOC Concentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont MW11-7 Sample Date 4/22/2011 12/1/2011 7/11/2012 1/22/2013 5/7/2015 11/2/2016 1/17/2017 Method 8021B 8021B 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 53.7 25.6 37.5 13.6 ND(1.0)ND(1.0)5 Toluene 8.2 2.3 1.2 No ND<1.0 ND(1.0)ND(1.0)1000 Ethylbenzene 10.4 ND<1.0 ND<1.0 Sample 2.1 ND(1.0)ND(1.0)700 Xylenes 66.4 8.9 6.9 Collected 11.2 ND(2.0)ND(2.0)10000 Total BTEX 138.7 36.8 45.6 26.9 ND ND - MTBE 26.8 10.0 12.8 5.7 5.1 4.8 40 1,3,5-Trimethybenzene 24.0 ND<1.0 ND<1.0 ND<1.0 ND(1.0)ND(1.0) 1,2,4-Trimethylbenzene 40.2 3.2 4.7 4.8 ND(1.0)ND(1.0) Naphthalene 11.3 3.2 3.2 2.3 ND(2.0)ND(2.0)20 Total Targeted VOCs 241.0 53.2 66.3 39.7 5.1 4.8 - GW Elevation (ft bg) 77.12 77.02 76.70 76.46 76.41 76.53 - Sample Date 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B PARAMETER VGES Benzene ND(1.0)ND(1.0)5 Toluene ND(1.0)No ND(1.0)1000 Ethylbenzene ND(1.0)Sample ND(1.0)700 Xylenes ND(2.0)ND(2.0)10000 Total BTEX ND ND - MTBE 5.8 Unable to 3.0 40 1,3,5-Trimethybenzene ND(1.0)locate ND(1.0) 1,2,4-Trimethylbenzene ND(1.0)due to thick ND(1.0) Naphthalene ND(2.0)vegetation ND(2.0)20 Total Targeted VOCs 5.8 3.0 - GW Elevation (ft bg) 76.81 76.64 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) 350 350 75.00 75.50 76.00 76.50 77.00 77.50 78.00 0 50 100 150 200 250 300 350 400 450 500 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW11-7 VOC Concentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont MW11-8 Sample Date 4/22/2011 12/1/2011 7/11/2012 1/22/2013 5/7/2015 1/7/2016 7/8/2016 Method 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 139 427 77.6 148 5 Toluene 19.3 Well 39.3 Well 7.8 16.9 No 1000 Ethylbenzene 11.9 Not 245 Not 11.6 255 Sample 700 Xylenes 101 Sampled 606 Sampled 147 804 10000 Total BTEX 271.2 1,317 244.0 1,224 - MTBE 71.0 274 29.7 127 Well Unable 40 1,3,5-Trimethybenzene 25.7 15.2 12.0 26.8 To Be Opened 1,2,4-Trimethylbenzene 53.3 99.0 65.0 155 Naphthalene 16.4 17.7 ND(10.0)15.3 20 Total Targeted VOCs 437.6 1,723 350.7 1,548 - GW Elevation (ft bg) 76.17 75.96 74.46 75.93 75.63 75.59 - Sample Date 11/2/2016 1/17/2017 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 5.1 16.4 10.6 38.1 12.2 5 Toluene ND(1.0)ND(1.0)1.0 7.2 ND(1.0)1000 Ethylbenzene 1.8 ND(1.0)1.5 7.5 ND(1.0)700 Xylenes 7.0 ND(2.0)ND(2.0)13.4 ND(2.0)10000 Total BTEX 13.9 16.4 13.1 66.2 12.2 - MTBE 11.7 22.7 16.1 45.3 20.6 40 1,3,5-Trimethybenzene ND(1.0)ND(1.0)ND(1.0)ND(1.0)ND(1.0) 1,2,4-Trimethylbenzene 23.5 44.0 15.4 21.2 6.1 Naphthalene ND(2.0)ND(2.0)ND(2.0)ND(2.0)ND(2.0)20 Total Targeted VOCs 49.1 83.1 44.6 132.7 38.9 - GW Elevation (ft bg) 75.35 75.67 75.97 75.77 75.57 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) 350 350 74.20 74.40 74.60 74.80 75.00 75.20 75.40 75.60 75.80 76.00 76.20 76.40 0 500 1,000 1,500 2,000 2,500 3,000 3,500 4,000 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW11-8 VOC Concentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont MW11-9 Sample Date 4/22/2011 12/1/2011 7/11/2012 1/22/2013 5/7/2015 1/7/2016 7/8/2016 Method 8021B 8021B 8021B 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 7,160 7,470 7,110 4,860 4,190 2,120 730 5 Toluene 1,850 579 1,070 1,020 1,970 128 62.3 1000 Ethylbenzene 1,550 1,590 2,020 1,400 2,350 1,460 600 700 Xylenes 5,820 5,740 6,820 4,940 7,440 4,400 1,730 10000 Total BTEX 16,380 15,379 17,020 12,220 15,950 8,108 3,122 - MTBE 2,020 535 1,140 1,010 651 439 359 40 1,3,5-Trimethybenzene 209 185 203 202 388 227 136 1,2,4-Trimethylbenzene 818 769 784 669 1,300 870 554 Naphthalene 198 120 245 ND<200 231 162 126 20 Total Targeted VOCs 19,625 16,988 19,392 14,101 18,520 9,806 4,297 - GW Elevation (ft bg) 75.47 75.18 74.14 75.12 74.58 74.54 73.11 - Sample Date 11/2/2016 1/17/2017 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 26.5 423 394 334 332 5 Toluene ND(10.0)ND(20.0)17.1 13.3 17.4 1000 Ethylbenzene 74.1 548 192 167 283 700 Xylenes 124 807 225 174 334 10000 Total BTEX 225 1,778 828 688 966 - MTBE 25.8 177 234 119 196 40 1,3,5-Trimethybenzene 14.5 45.4 12.4 12.1 28.2 1,2,4-Trimethylbenzene 82.3 504 137 171 370 Naphthalene 16.1 96.3 26.1 41.7 77.4 20 Total Targeted VOCs 363 2,601 1,238 1,032 1,638 - GW Elevation (ft bg) 74.06 74.42 74.85 74.88 74.44 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) 350 350 72.50 73.00 73.50 74.00 74.50 75.00 75.50 76.00 0 5,000 10,000 15,000 20,000 25,000 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW11-9 VOC Concentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont MW11-10 Sample Date 4/22/2011 12/1/2011 7/11/2012 1/22/2013 5/7/2015 1/7/2016 7/8/2016 Method 8021B 8021B 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 38.7 5.6 4.4 65.2 ND<1.0 ND(1.0)5 Toluene ND<1.0 ND<2.0 ND<1.0 ND<1.0 ND<1.0 ND(1.0)No 1000 Ethylbenzene ND<1.0 ND<2.0 ND<1.0 ND<1.0 ND<1.0 ND(1.0)Sample 700 Xylenes ND<2.0 ND<4.0 ND<2.0 ND<2.0 ND<2.0 ND(2.0)10000 Total BTEX 38.7 5.6 4.4 65.2 ND ND - MTBE 504 195 25.1 ND<2.0 137 3.7 40 1,3,5-Trimethybenzene ND<1.0 ND<2.0 ND<1.0 ND<1.0 ND<1.0 ND(1.0)Well 1,2,4-Trimethylbenzene ND<1.0 ND<2.0 ND<1.0 ND<1.0 ND<1.0 ND(1.0)Dry Naphthalene ND<2.0 ND<4.0 ND<2.0 ND<2.0 ND<2.0 ND(2.0)20 Total Targeted VOCs 543 201 29.5 65.2 137 3.7 - GW Elevation (ft bg) 72.78 72.32 69.84 71.81 71.33 71.71 - Sample Date 11/2/2016 1/17/2017 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B 8021B 8021B PARAMETER VGES Benzene ND(1.0)ND(1.0)ND(1.0)ND(1.0)5 Toluene No ND(1.0)ND(1.0)ND(1.0)ND(1.0)1000 Ethylbenzene Sample ND(1.0)ND(1.0)ND(1.0)ND(1.0)700 Xylenes ND(2.0)ND(2.0)ND(2.0)ND(2.0)10000 Total BTEX ND ND ND ND - MTBE ND(2.0)48.6 ND(2.0) ND(2.0)40 1,3,5-Trimethybenzene Well ND(1.0)ND(1.0)ND(1.0)ND(1.0) 1,2,4-Trimethylbenzene Dry ND(1.0)ND(1.0)ND(1.0)ND(1.0) Naphthalene ND(2.0)ND(2.0)ND(2.0)ND(2.0)20 Total Targeted VOCs ND 48.6 ND ND - GW Elevation (ft bg)71.40 73.04 71.87 71.43 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) 350 350 69.00 69.50 70.00 70.50 71.00 71.50 72.00 72.50 73.00 73.50 74.00 0 100 200 300 400 500 600 700 800 900 1,000 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW11-10 VOCConcentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont MW11-11 Sample Date 4/22/2011 12/1/2011 7/11/2012 1/22/2013 5/7/2015 4/19/2017 7/26/2017 Method 8021B 8021B 8021B 8021B 8021B 8021B PARAMETER VGES Benzene ND<1.0 ND<1.0 6.6 ND(1.0)ND(1.0)5 Toluene ND<1.0 Well 2.6 Well ND<1.0 ND(1.0)ND(1.0)1000 Ethylbenzene ND<1.0 Not ND<1.0 Not ND<1.0 ND(1.0)ND(1.0)700 Xylenes ND<2.0 Sampled ND<2.0 Sampled ND<2.0 ND(2.0)ND(2.0)10000 Total BTEX ND 2.6 6.6 ND ND - MTBE 8.6 148 82.9 5.5 3.7 40 1,3,5-Trimethybenzene ND<1.0 ND<1.0 ND<1.0 ND(1.0)ND(1.0) 1,2,4-Trimethylbenzene ND<1.0 ND<1.0 ND<1.0 ND(1.0)ND(1.0) Naphthalene ND<2.0 ND<2.0 ND<2.0 ND(2.0)ND(2.0)20 Total Targeted VOCs 8.6 151 89.5 5.5 3.7 - GW Elevation (ft bg) 73.61 73.31 71.70 73.22 73.14 72.40 73.19 - Sample Date 12/4/2017 Method 8021B PARAMETER VGES Benzene ND<1.0 5 Toluene ND<1.0 1000 Ethylbenzene ND<1.0 700 Xylenes ND<2.0 10000 Total BTEX ND - MTBE 3.0 40 1,3,5-Trimethybenzene ND<1.0 1,2,4-Trimethylbenzene ND<1.0 Naphthalene ND<2.0 20 Total Targeted VOCs 3.0 - GW Elevation (ft bg) 73.09 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) 350 350 71.50 72.00 72.50 73.00 73.50 74.00 0 20 40 60 80 100 120 140 160 180 200 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW11-11 VOC Concentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety South Burlington, Vermont MW12-12 Sample Date 7/11/2012 1/22/2013 5/7/2015 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B 8021B 8021B 8021B PARAMETER VGES Benzene ND<1.0 ND<1.0 ND(1.0)ND(1.0)ND(1.0)5 Toluene ND<1.0 Well ND<1.0 ND(1.0)ND(1.0)ND(1.0)1000 Ethylbenzene ND<1.0 Not ND<1.0 ND(1.0)ND(1.0)ND(1.0)700 Xylenes ND<2.0 Sampled ND<2.0 ND(2.0)ND(2.0)ND(2.0)10000 Total BTEX ND ND ND ND ND - MTBE ND<2.0 2.2 ND(1.0) ND(1.0) ND(1.0) 40 1,3,5-Trimethybenzene ND<1.0 ND<1.0 ND(1.0)ND(1.0)ND(1.0) 1,2,4-Trimethylbenzene ND<1.0 ND<1.0 ND(1.0)ND(1.0)ND(1.0) Naphthalene ND<2.0 ND<2.0 ND(2.0)ND(2.0)ND(2.0)20 Total Targeted VOCs ND 2.2 ND ND ND - GW Elevation (ft bg) 59.81 63.07 63.28 63.73 64.18 63.90 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) 350 VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety South Burlington, Vermont MW12-13 Sample Date 7/11/2012 1/22/2013 5/7/2015 1/7/2016 7/8/2016 11/2/2016 1/17/2017 Method 8021B 8021B 8021B 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 9,550 832 807 3,200 1,930 2,950 ND(1.0)5 Toluene 957 27.2 28.9 261 43.5 158 ND(1.0)1000 Ethylbenzene 1,380 87.6 139 1,190 497 1,100 ND(1.0)700 Xylenes 5,790 150 72.3 3,650 121 2,100 ND(2.0)10000 Total BTEX 17,677 1,097 1,047 8,301 2,592 6,308 ND - MTBE 5,330 335 128 523 289 604 5.6 40 1,3,5-Trimethybenzene ND<100 ND<10.0 4.6 120 ND(20.0)65.0 ND(1.0) 1,2,4-Trimethylbenzene 845 21.9 42.2 606 87.8 504 ND(1.0) Naphthalene 219 ND<20.0 8.8 116 23.2 ND(100)ND(2.0)20 Total Targeted VOCs 24,071 1,454 1,231 9,666 2,992 7,481 5.6 - GW Elevation (ft bg) 70.77 71.97 70.56 71.75 69.73 69.21 71.37 - Sample Date 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B 8021B PARAMETER VGES Benzene 1,640 1,430 33.2 5 Toluene 253 38.7 ND(1.0)1000 Ethylbenzene 741 377 3.9 700 Xylenes 1,840 204 ND(2.0)10000 Total BTEX 4,474 2,050 37.1 - MTBE 285 288 16.7 40 1,3,5-Trimethybenzene 27.4 ND(20.0)ND(1.0) 1,2,4-Trimethylbenzene 477 173 ND(1.0) Naphthalene 79.6 41.6 ND(2.0)20 Total Targeted VOCs 5,343 2,552 53.8 - GW Elevation (ft bg) 72.32 71.86 NM - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) 350 350 69.00 69.50 70.00 70.50 71.00 71.50 72.00 72.50 0 5,000 10,000 15,000 20,000 25,000 30,000 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW12-13 VOC Concentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont MW12-14 Sample Date 7/11/2012 1/22/2013 5/7/2015 10/21/2015 1/7/2016 3/30/2016 7/8/2016 Method 8021B 8021B 8021B 8021B 8021B 8021B PARAMETER *SVE/AS on VGES Benzene 10,100 4,970 6,640 13.4 1,350 4,940 5 Toluene 24,400 10,400 14,300 ND(5.0)2,010 15,600 No 1000 Ethylbenzene 1,330 249 1,150 ND(5.0)280 1,090 Sample 700 Xylenes 10,400 6,470 6,920 12.9 1,340 5,680 10000 Total BTEX 46,230 22,089 29,010 26.3 4,980 27,310 - MTBE 2,520 1,670 988 313 229 618 Unable to 40 1,3,5-Trimethybenzene 472 433 266 ND(5.0)ND(50.0)127 locate/access 1,2,4-Trimethylbenzene 1,220 790 661 6.1 174 450 due to Naphthalene ND<400 ND<400 ND<100 ND(10.0)ND(100)92.4 thick brush 20 Total Targeted VOCs 50,442 24,982 30,925 345 5,383 28,597 - GW Elevation (ft bg) 69.22 69.57 70.00 67.20 69.71 70.25 - Sample Date 11/2/2016 1/17/2017 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 4,040 90.4 986 645 36.2 5 Toluene 10,100 6.5 2,130 608 9.7 1000 Ethylbenzene 1,170 8.2 301 201 13.5 700 Xylenes 6,010 57.8 1,490 656 24.2 10000 Total BTEX 21,320 162.9 4,907 2,110 83.6 - MTBE 575 19.2 120 79.1 14.5 40 1,3,5-Trimethybenzene 226 4.1 54.0 31.8 ND(1.0) 1,2,4-Trimethylbenzene 661 11.5 163 101 6.6 Naphthalene ND(200)2.5 36.6 ND(40.0)ND(2.0)20 Total Targeted VOCs 22,782 200.2 5,281 2,322 104.7 - GW Elevation (ft bg) 66.64 69.48 69.98 69.47 68.65 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) 350 350 66.00 66.50 67.00 67.50 68.00 68.50 69.00 69.50 70.00 70.50 0 10,000 20,000 30,000 40,000 50,000 60,000 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW12-14 VOC Concentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety South Burlington, VT MW12-15 Sample Date 7/11/2012 1/22/2013 5/7/2015 1/7/2016 7/8/2016 11/2/2016 1/17/2017 Method 8021B 8021B 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 2,620 654 4,300 1,510 2,540 ND(1.0)5 Toluene 2,920 12.5 4,640 1,930 918 No ND(1.0)1000 Ethylbenzene 712 142 1,050 516 859 Sample ND(1.0)700 Xylenes 4,110 362 4,040 2,070 1,890 ND(2.0)10000 Total BTEX 10,362 1,171 14,030 6,026 6,207 ND - MTBE 485 278 545 320 465 Well ND(2.0) 40 1,3,5-Trimethybenzene 149 37.6 170 89.9 78.6 Dry ND(1.0) 1,2,4-Trimethylbenzene 507 61.7 601 342 499 ND(1.0) Naphthalene ND<100 ND<20.0 ND<100 65.0 78.0 ND(2.0)20 Total Targeted VOCs 11,503 1,548 15,346 6,843 7,328 ND - GW Elevation (ft bg) 69.10 72.01 71.77 71.86 69.60 70.05 - Sample Date 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B 8021B PARAMETER VGES Benzene 55.8 486 2.0 5 Toluene 1.5 309 ND(1.0)1000 Ethylbenzene 6.5 108 ND(1.0)700 Xylenes 7.1 328 ND(2.0)10000 Total BTEX 70.9 1,231 2.0 - MTBE 18.2 53.8 ND(2.0)40 1,3,5-Trimethybenzene ND(1.0)5.9 ND(1.0) 1,2,4-Trimethylbenzene 2.6 31.4 ND(1.0) Naphthalene ND(2.0)2.6 ND(2.0)20 Total Targeted VOCs 91.7 1,325 2.0 - GW Elevation (ft bg) 72.39 70.11 70.94 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) 350 350 68.50 69.00 69.50 70.00 70.50 71.00 71.50 72.00 72.50 73.00 0 2,000 4,000 6,000 8,000 10,000 12,000 14,000 16,000 18,000 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW12-15 VOC Concentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety South Burlington, VT MW12-16 Sample Date 7/16/2012 1/22/2013 5/7/2015 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B PARAMETER VGES Benzene ND<1.0 15.4 5 Toluene ND<1.0 Well ND<1.0 No No No 1000 Ethylbenzene ND<1.0 Not ND<1.0 Sample Sample Sample 700 Xylenes ND<2.0 Sampled ND<1.0 10000 Total BTEX ND 15.4 - MTBE 74.6 34.5 40 1,3,5-Trimethybenzene ND<1.0 ND<1.0 Gauge Gauge Gauge 1,2,4-Trimethylbenzene ND<1.0 ND<1.0 Only Only Only Naphthalene ND<2.0 ND<2.0 20 Total Targeted VOCs 74.6 49.9 - GW Elevation (ft bg) 72.05 74.94 74.83 76.12 72.69 72.96 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) 350 VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety South Burlington, VT MW13-17 Sample Date 1/22/2013 5/7/2015 10/21/2015 12/8/2015 1/6/2016 1/7/2016 3/30/2016 Method 8021B 8021B 8021B 8021B 8021B PARAMETER *SVE/AS on *SVE/AS on VGES Benzene 47.9 5,130 493 1,970 2,480 5 Toluene 87.2 33,200 3,630 No No 12,000 13,800 1000 Ethylbenzene 6.3 3,690 587 Sample Sample 1,940 2,520 700 Xylenes 25.9 17,100 15,800 9,890 12,900 10000 Total BTEX 167.3 59,120 20,510 25,800 31,700 - MTBE 78.9 1,330 387 895 914 40 1,3,5-Trimethybenzene ND<2.0 622 1,380 Gauge Gauge 481 382 1,2,4-Trimethylbenzene ND<2.0 2,060 3,860 Only Only 1,070 1,330 Naphthalene ND<4.0 ND<400 428 260 ND(400)20 Total Targeted VOCs 246.2 63,132 26,565 28,506 34,326 - GW Elevation (ft bg) 80.91 80.60 81.76 81.11 78.00 78.90 82.11 - Sample Date 7/8/2016 11/2/2016 1/17/2017 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B 8021B 8021B 8021B 8021B PARAMETER VGES Benzene 1,500 1,140 397 528 655 790 5 Toluene 8,720 5,300 2,100 4,850 3,670 2,390 1000 Ethylbenzene 2,170 1,480 660 1,500 1,710 1,600 700 Xylenes 10,200 8,160 3,560 8,340 9,150 8,140 10000 Total BTEX 22,590 16,080 6,717 15,218 15,185 12,920 - MTBE 756 1,200 350 577 841 1,270 40 1,3,5-Trimethybenzene 406 337 143 327 404 388 1,2,4-Trimethylbenzene 1,220 1,090 402 1,060 1,230 1,110 Naphthalene 241 ND(400)ND(100)181 205 192 20 Total Targeted VOCs 25,213 18,707 7,612 17,363 17,865 15,880 - GW Elevation (ft bg) 81.11 79.81 80.12 81.33 83.70 81.14 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) * Sampling or gauging occurred while SVE/AS remedial system in operation 350 350 77.00 78.00 79.00 80.00 81.00 82.00 83.00 84.00 0 10,000 20,000 30,000 40,000 50,000 60,000 70,000 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW13-17 VOC Concentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety South Burlington, VT MW13-18 Sample Date 1/22/2013 5/7/2015 10/21/2015 12/8/2015 1/6/2016 1/7/2016 3/30/2016 Method 8021B 8021B 8021B 8021B 8021B PARAMETER *SVE/AS on *SVE/AS on VGES Benzene 3,840 6,420 149 512 3,700 5 Toluene 18,600 27,000 179 No No 258 20,700 1000 Ethylbenzene 3,770 2,990 140 Sample Sample 566 2,080 700 Xylenes 14,000 16,800 933 2,470 11,900 10000 Total BTEX 40,210 53,210 1,401 3,806 38,380 - MTBE 592 ND<400 33.1 138 64.0 40 1,3,5-Trimethybenzene 558 681 428 Gauge Gauge 416 500 1,2,4-Trimethylbenzene 2,080 2,030 601 Only Only 1,060 1,230 Naphthalene 441 ND<400 141 147 239 20 Total Targeted VOCs 43,440 55,921 2,604 5,567 40,413 - GW Elevation (ft bg) 84.29 84.36 86.72 85.16 85.72 84.77 85.46 - Sample Date 7/8/2016 11/2/2016 1/17/2017 4/19/2017 7/26/2017 12/4/2017 Method 8021B 8021B 8021B PARAMETER VGES Benzene 401 1,130 562 5 Toluene 132 772 ND(20.0)No No No 1000 Ethylbenzene 359 1,110 615 Sample Sample Sample 700 Xylenes 519 2,250 ND(40.0)10000 Total BTEX 1,411 5,262 1,177 - MTBE 24.1 59.7 57.5 40 1,3,5-Trimethybenzene 89.0 177 ND(20.0)Gauge Gauge Gauge 1,2,4-Trimethylbenzene 324 779 431 Only Only Only Naphthalene 32.5 80.6 45.5 20 Total Targeted VOCs 1,881 6,358 1,711 - GW Elevation (ft bg) 83.78 84.32 83.67 87.35 86.47 83.74 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) * Sampling or gauging occurred while SVE/AS remedial system in operation 350 350 83.00 83.50 84.00 84.50 85.00 85.50 86.00 86.50 87.00 87.50 88.00 0 10,000 20,000 30,000 40,000 50,000 60,000 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW13-18 VOC Concentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety South Burlington, Vermont MW13-19 Sample Date 1/22/2013 5/7/2015 10/21/2015 12/8/2015 1/6/2016 1/7/2016 3/30/2016 Method 8021B 8021B 8021B PARAMETER *SVE/AS on *SVE/AS on VGES Benzene 1,720 960 795 5 Toluene No 212 118 No No 59.2 No 1000 Ethylbenzene Sample 1,170 927 Sample Sample 983 Sample 700 Xylenes Collected 3,660 2,390 2,510 10000 Total BTEX 6,762 4,395 4,347 - MTBE Well 2,660 1,680 1,570 40 1,3,5-Trimethybenzene Dry 256 185 Gauge Gauge 194 Gauge 1,2,4-Trimethylbenzene 899 931 Only Only 989 Only Naphthalene ND<400 149 163 20 Total Targeted VOCs 10,577 7,340 7,263 - GW Elevation (ft bg) NM 81.28 82.41 85.16 81.72 81.73 82.30 - Sample Date 11/2/2016 4/19/2017 7/26/2017 12/4/2017 Method 8021B PARAMETER VGES Benzene 222 5 Toluene ND(50.0)No No No 1000 Ethylbenzene 322 Sample Sample Sample 700 Xylenes 862 10000 Total BTEX 1,406 - MTBE 698 40 1,3,5-Trimethybenzene 104 Gauge Gauge Gauge 1,2,4-Trimethylbenzene 461 Only Only Only Naphthalene 120 20 Total Targeted VOCs 2,789 - GW Elevation (ft bg) 81.91 84.66 84.51 81.93 - All Values Reported in ug/L VGES - Vermont Groundwater Enforcement Standard (GWPRS 12/16/16; interim 03/18/2015) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed VGES (at time of sampling) * Sampling or gauging occurred while SVE/AS remedial system in operation 350 350 81.00 81.50 82.00 82.50 83.00 83.50 84.00 84.50 85.00 85.50 0 2,000 4,000 6,000 8,000 10,000 12,000 14,000 Groundwater Elevation (ft)VOC Concentration (ug/L)DATE MW13-19 VOC Concentration vs. Groundwater Elevation Total Targeted VOCs Total BTEX GW Elevation (ft bg) VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont Surface Water Sample Date 4/22/2011 12/1/2011 7/11/2012 1/22/2013 5/7/2015 10/21/2015 Method 8021B 8021B 8021B 8021B 8021B 8021B PARAMETER VWQS Benzene 16.0 61.7 ND<1.0 97.1 57.0 ND<1.0 1.2 Toluene 21.1 72.8 ND<1.0 91.9 71.6 ND<1.0 57 Ethylbenzene 2.7 9.8 ND<1.0 14.2 10.1 ND<1.0 68 Xylenes 13.7 46.2 ND<2.0 69.7 45.0 ND<2.0 - Total BTEX 53.5 190.5 ND 272.9 183.7 ND - MTBE 11.2 25.2 ND<2.0 40.9 15.9 9.5 - 1,3,5-Trimethybenzene ND<1.0 1.1 ND<1.0 1.6 ND<1.0 ND<1.0 1,2,4-Trimethylbenzene ND<1.0 3.5 ND<1.0 3.9 3.4 ND<1.0 Naphthalene ND<2.0 ND<2.0 ND<2.0 ND<2.0 ND<2.0 ND<2.0 - Total Targeted VOCs 64.7 220.3 ND 319.3 203.0 9.5 - Sample Date 11/2/2016 12/4/2017 Method 8021B 8021B PARAMETER VWQS Benzene 59.1 292 2.1 Toluene 52.2 521 57 Ethylbenzene 7.7 105 68 Xylenes 47.0 446 - Total BTEX 166.0 1,364 - MTBE 35.1 85.0 - 1,3,5-Trimethybenzene 1.3 14.4 1,2,4-Trimethylbenzene 3.5 45.7 Naphthalene ND<2.0 8.5 - Total Targeted VOCs 205.9 1,518 - All Values Reported in ug/L All results are from EPA Method 8260B VWQS - Vermont Water Quality Standards (January 15, 2017) ND - None detected above sample-specific compound detection limit Bold font indicates a detected concentration. Shaded values meet or exceed applicable VWQS - - VTDEC Site #2010-4047 Groundwater Quality Summary Shelburne Road Variety So. Burlington, Vermont Quality Assurance/Control Samples PARAMETER Trip Blank MW13-17 Duplicate RPD % MTBE ND(2.0)350 329 6.2 Benzene ND(1.0)397 375 5.7 Toluene ND(1.0)2,100 1,990 5.4 Ethylbenzene ND(1.0)660 627 5.1 Xylenes ND(2.0)3,560 3,360 5.8 1,3,5-TMB*ND(1.0)143 131 8.8 1,2,4-TMB*ND(1.0)402 385 4.3 Naphthalene ND(2.0)ND(100)ND(100)n/a Total Reported VOCs ND 7,612 7,197 5.6 PARAMETER Trip Blank MW10-3 Duplicate RPD % MTBE ND(2.0)39.9 44.5 10.9 Benzene ND(1.0)110 112 1.8 Toluene ND(1.0)254 302 17.3 Ethylbenzene ND(1.0)285 344 18.8 Xylenes ND(2.0)1,830 2,330 24.0 1,3,5-TMB*ND(1.0)51.0 69.1 30.1 1,2,4-TMB*ND(1.0)152 193 23.8 Naphthalene ND(2.0)31.1 38.2 20.5 Total Reported VOCs ND 2,753 3,433 22.0 PARAMETER Trip Blank MW10-6 Duplicate RPD % MTBE ND(2.0)ND(200)ND(200)n/a Benzene ND(1.0)1,380 1,400 1.4 Toluene ND(1.0)4,050 4,260 5.1 Ethylbenzene ND(1.0)1,710 1,810 5.7 Xylenes ND(2.0)6,560 7,040 7.1 1,3,5-TMB* ND(1.0)279 278 0.4 1,2,4-TMB*ND(1.0)913 989 8.0 Naphthalene ND(2.0)ND(200)ND(200)n/a Total Reported VOCs ND 14,892 15,777 5.8 PARAMETER Trip Blank MW13-17 Duplicate RPD % MTBE ND(2.0)1,270 1,230 3.2 Benzene ND(1.0)790 790 0.0 Toluene ND(1.0)2,390 2,360 1.3 Ethylbenzene ND(1.0)1,600 1,550 3.2 Xylenes ND(2.0)8,140 7,910 2.9 1,3,5-TMB*ND(1.0)388 391 0.8 1,2,4-TMB*ND(1.0)1,110 1,090 1.8 Naphthalene ND(2.0)192 190 1.0 Total Reported VOCs ND 15,880 15,511 2.4 NOTES Results reported above detection limits are indicated in bold * TMB = Trimethyl Benzene EPA Method 8021B used for laboratory analysis All values reported in ug/l unless otherwise noted ND<X - Not Detected (Detection Limit) n/a = not applicable 12/4/2017 7/26/2017 4/19/2017 1/17/2017 The results of the laboratory analysis of the duplicate sample were analyzed using a relative percent difference (RPD) analysis. The RPD is defined as 100 times the difference in reported concentration between sample and duplicate, divided by the mean of the two samples. A small RPD indicates good correlation between sample and duplicate. VTDEC Site # 2010-4047 2017 Groundwater Monitoring Report Shelburne Road Variety, South Burlington, Vermont Appendix D Analytical Laboratory Reports Laboratory Report #410090357 Shelburne RoadPROJECT: DATE RECEIVED: WORK ORDER: DATE REPORTED: 100306KAS, Inc. PO Box 787 Williston, VT 05495 Atten:Josh Douglas SAMPLER: February 01, 2017 1701-01301 Josh D Enclosed please find the results of the analyses performed for the samples referenced on the attached chain of custody located at the end of this report. The column labeled Lab/Tech in the accompanying report denotes the laboratory facility where the testing was performed and the technician who conducted the assay. A "W" designates the Williston, VT lab under NELAC certification ELAP 11263; "R" designates the Lebanon, NH facility under certification NH 2037 and “N” the Plattsburgh, NY lab under certification ELAP 11892. “Sub” indicates the testing was performed by a subcontracted laboratory. The accreditation status of the subcontracted lab is referenced in the corresponding NELAC and Qual fields. This NELAC column also denotes the accreditation status of each laboratory for each reported parameter. “A” indicates the referenced laboratory is NELAC accredited for the parameter reported. “N” indicates the laboratory is not accredited. “U” indicates that NELAC does not offer accreditation for that parameter in that specific matrix. Test results denoted with an “A” meet all National Environmental Laboratory Accreditation Program requirements except where denoted by pertinent data qualifiers. Test results are representative of the samples as they were received at the laboratory. Endyne, Inc. warrants, to the best of its knowledge and belief, the accuracy of the analytical test results contained in this report, but makes no other warranty, expressed or implied, especially no warranties of merchantability or fitness for a particular purpose. January 18, 2017 Page 1 of 6 Reviewed by: Christina A Lafountain Laboratory Director Plattsburgh, NY ELAP 11263 160 James Brown Dr., Williston, VT 05495 Ph 802-879-4333 Fax 802-879-7103 www.endynelabs.com 315 New York Rd., Plattsburgh, NY 12903 Ph 518-563-1720 Fax 518-563-0052 ELAP 11892 Laboratory Report KAS, Inc. Page 2 of 6 CLIENT: PROJECT:#410090357 Shelburne Road WORK ORDER: DATE RECEIVED: 1701-01301 1/18/17 001 Date Sampled: Time:1/17/17Site:MW 10-2 11:42 Analysis Date/TimeMethodParameterResult NELACLab/TechUnits Qual. 1/19/17 AKJWEPA 8021BVt Petroleum List 8021B 1,010 ug/L 1/19/17 AKJW NEPA 8021BMethyl-t-butyl ether (MTBE) 1,500 ug/L 1/19/17 AKJW NEPA 8021BBenzene 1,190 ug/L 1/19/17 AKJW NEPA 8021BToluene 2,280 ug/L 1/19/17 AKJW NEPA 8021BEthylbenzene 5,970 ug/L 1/19/17 AKJW NEPA 8021BXylenes, Total 569 ug/L 1/19/17 AKJW NEPA 8021B1,3,5-Trimethylbenzene 1,880 ug/L 1/19/17 AKJW NEPA 8021B1,2,4-Trimethylbenzene < 400 ug/L 1/19/17 AKJW NEPA 8021BNaphthalene 91 %1/19/17 AKJW NEPA 8021BSurr. 1 (Bromobenzene) > 10 1/19/17 AKJW NEPA 8021BUnidentified Peaks 002 Date Sampled: Time:1/17/17Site:MW 10-4 10:05 Analysis Date/TimeMethodParameterResult NELACLab/TechUnits Qual. 1/19/17 AKJWEPA 8021BVt Petroleum List 8021B < 2.0 ug/L 1/19/17 AKJW NEPA 8021BMethyl-t-butyl ether (MTBE) < 1.0 ug/L 1/19/17 AKJW NEPA 8021BBenzene < 1.0 ug/L 1/19/17 AKJW NEPA 8021BToluene < 1.0 ug/L 1/19/17 AKJW NEPA 8021BEthylbenzene < 2.0 ug/L 1/19/17 AKJW NEPA 8021BXylenes, Total < 1.0 ug/L 1/19/17 AKJW NEPA 8021B1,3,5-Trimethylbenzene < 1.0 ug/L 1/19/17 AKJW NEPA 8021B1,2,4-Trimethylbenzene < 2.0 ug/L 1/19/17 AKJW NEPA 8021BNaphthalene 90 %1/19/17 AKJW NEPA 8021BSurr. 1 (Bromobenzene) 0 1/19/17 AKJW NEPA 8021BUnidentified Peaks 003 Date Sampled: Time:1/17/17Site:MW 10-5 9:40 Analysis Date/TimeMethodParameterResult NELACLab/TechUnits Qual. 1/19/17 AKJWEPA 8021BVt Petroleum List 8021B 45.6 ug/L 1/19/17 AKJW NEPA 8021BMethyl-t-butyl ether (MTBE) 9.1 ug/L 1/19/17 AKJW NEPA 8021BBenzene 2.4 ug/L 1/19/17 AKJW NEPA 8021BToluene 6.3 ug/L 1/19/17 AKJW N DS-EPA 8021BEthylbenzene 36.6 ug/L 1/19/17 AKJW NEPA 8021BXylenes, Total 23.5 ug/L 1/19/17 AKJW NEPA 8021B1,3,5-Trimethylbenzene 46.0 ug/L 1/19/17 AKJW N DS-EPA 8021B1,2,4-Trimethylbenzene 6.2 ug/L 1/19/17 AKJW NEPA 8021BNaphthalene 87 %1/19/17 AKJW NEPA 8021BSurr. 1 (Bromobenzene) > 10 1/19/17 AKJW NEPA 8021BUnidentified Peaks 004 Date Sampled: Time:1/17/17Site:MW 10-6 10:45 Analysis Date/TimeMethodParameterResult NELACLab/TechUnits Qual. 1/19/17 AKJWEPA 8021BVt Petroleum List 8021B < 200 ug/L 1/19/17 AKJW NEPA 8021BMethyl-t-butyl ether (MTBE) 2,000 ug/L 1/19/17 AKJW NEPA 8021BBenzene 2,260 ug/L 1/19/17 AKJW NEPA 8021BToluene 1,860 ug/L 1/19/17 AKJW NEPA 8021BEthylbenzene 6,120 ug/L 1/19/17 AKJW NEPA 8021BXylenes, Total Laboratory Report KAS, Inc. Page 3 of 6 CLIENT: PROJECT:#410090357 Shelburne Road WORK ORDER: DATE RECEIVED: 1701-01301 1/18/17 248 ug/L 1/19/17 AKJW NEPA 8021B1,3,5-Trimethylbenzene 764 ug/L 1/19/17 AKJW NEPA 8021B1,2,4-Trimethylbenzene < 200 ug/L 1/19/17 AKJW NEPA 8021BNaphthalene 92 %1/19/17 AKJW NEPA 8021BSurr. 1 (Bromobenzene) > 10 1/19/17 AKJW NEPA 8021BUnidentified Peaks 005 Date Sampled: Time:1/17/17Site:MW 11-7 12:39 Analysis Date/TimeMethodParameterResult NELACLab/TechUnits Qual. 1/19/17 AKJWEPA 8021BVt Petroleum List 8021B 4.8 ug/L 1/19/17 AKJW NEPA 8021BMethyl-t-butyl ether (MTBE) < 1.0 ug/L 1/19/17 AKJW NEPA 8021BBenzene < 1.0 ug/L 1/19/17 AKJW NEPA 8021BToluene < 1.0 ug/L 1/19/17 AKJW NEPA 8021BEthylbenzene < 2.0 ug/L 1/19/17 AKJW NEPA 8021BXylenes, Total < 1.0 ug/L 1/19/17 AKJW NEPA 8021B1,3,5-Trimethylbenzene < 1.0 ug/L 1/19/17 AKJW NEPA 8021B1,2,4-Trimethylbenzene < 2.0 ug/L 1/19/17 AKJW NEPA 8021BNaphthalene 96 %1/19/17 AKJW NEPA 8021BSurr. 1 (Bromobenzene) 2 1/19/17 AKJW NEPA 8021BUnidentified Peaks 006 Date Sampled: Time:1/17/17Site:MW 11-8 12:50 Analysis Date/TimeMethodParameterResult NELACLab/TechUnits Qual. 1/27/17 EEPWEPA 8021BVt Petroleum List 8021B 22.7 ug/L 1/27/17 EEPW NEPA 8021BMethyl-t-butyl ether (MTBE) 16.4 ug/L 1/27/17 EEPW NEPA 8021BBenzene < 1.0 ug/L 1/27/17 EEPW NEPA 8021BToluene < 1.0 ug/L 1/27/17 EEPW NEPA 8021BEthylbenzene < 2.0 ug/L 1/27/17 EEPW NEPA 8021BXylenes, Total < 1.0 ug/L 1/27/17 EEPW NEPA 8021B1,3,5-Trimethylbenzene 44.0 ug/L 1/27/17 EEPW NEPA 8021B1,2,4-Trimethylbenzene < 2.0 ug/L 1/27/17 EEPW NEPA 8021BNaphthalene 93 %1/27/17 EEPW NEPA 8021BSurr. 1 (Bromobenzene) > 10 1/27/17 EEPW NEPA 8021BUnidentified Peaks 007 Date Sampled: Time:1/17/17Site:MW 11-9 12:59 Analysis Date/TimeMethodParameterResult NELACLab/TechUnits Qual. 1/27/17 EEPWEPA 8021BVt Petroleum List 8021B 177 ug/L 1/27/17 EEPW NEPA 8021BMethyl-t-butyl ether (MTBE) 423 ug/L 1/27/17 EEPW NEPA 8021BBenzene < 20.0 ug/L 1/27/17 EEPW NEPA 8021BToluene 548 ug/L 1/27/17 EEPW NEPA 8021BEthylbenzene 807 ug/L 1/27/17 EEPW NEPA 8021BXylenes, Total 45.4 ug/L 1/27/17 EEPW NEPA 8021B1,3,5-Trimethylbenzene 504 ug/L 1/27/17 EEPW NEPA 8021B1,2,4-Trimethylbenzene 96.3 ug/L 1/27/17 EEPW NEPA 8021BNaphthalene 90 %1/27/17 EEPW NEPA 8021BSurr. 1 (Bromobenzene) > 10 1/27/17 EEPW NEPA 8021BUnidentified Peaks 008 Date Sampled: Time:1/17/17Site:MW 11-10 13:05 Analysis Date/TimeMethodParameterResult NELACLab/TechUnits Qual. Laboratory Report KAS, Inc. Page 4 of 6 CLIENT: PROJECT:#410090357 Shelburne Road WORK ORDER: DATE RECEIVED: 1701-01301 1/18/17 1/19/17 AKJWEPA 8021BVt Petroleum List 8021B < 2.0 ug/L 1/19/17 AKJW NEPA 8021BMethyl-t-butyl ether (MTBE) < 1.0 ug/L 1/19/17 AKJW NEPA 8021BBenzene < 1.0 ug/L 1/19/17 AKJW NEPA 8021BToluene < 1.0 ug/L 1/19/17 AKJW NEPA 8021BEthylbenzene < 2.0 ug/L 1/19/17 AKJW NEPA 8021BXylenes, Total < 1.0 ug/L 1/19/17 AKJW NEPA 8021B1,3,5-Trimethylbenzene < 1.0 ug/L 1/19/17 AKJW NEPA 8021B1,2,4-Trimethylbenzene < 2.0 ug/L 1/19/17 AKJW NEPA 8021BNaphthalene 97 %1/19/17 AKJW NEPA 8021BSurr. 1 (Bromobenzene) 0 1/19/17 AKJW NEPA 8021BUnidentified Peaks 009 Date Sampled: Time:1/17/17Site:MW 12-13 13:15 Analysis Date/TimeMethodParameterResult NELACLab/TechUnits Qual. 1/27/17 EEPWEPA 8021BVt Petroleum List 8021B 5.6 ug/L 1/27/17 EEPW NEPA 8021BMethyl-t-butyl ether (MTBE) < 1.0 ug/L 1/27/17 EEPW NEPA 8021BBenzene < 1.0 ug/L 1/27/17 EEPW NEPA 8021BToluene < 1.0 ug/L 1/27/17 EEPW NEPA 8021BEthylbenzene < 2.0 ug/L 1/27/17 EEPW NEPA 8021BXylenes, Total < 1.0 ug/L 1/27/17 EEPW NEPA 8021B1,3,5-Trimethylbenzene < 1.0 ug/L 1/27/17 EEPW NEPA 8021B1,2,4-Trimethylbenzene < 2.0 ug/L 1/27/17 EEPW NEPA 8021BNaphthalene 94 %1/27/17 EEPW NEPA 8021BSurr. 1 (Bromobenzene) 0 1/27/17 EEPW NEPA 8021BUnidentified Peaks 010 Date Sampled: Time:1/17/17Site:MW 12-14 13:25 Analysis Date/TimeMethodParameterResult NELACLab/TechUnits Qual. 1/27/17 EEPWEPA 8021BVt Petroleum List 8021B 19.2 ug/L 1/27/17 EEPW NEPA 8021BMethyl-t-butyl ether (MTBE) 90.4 ug/L 1/27/17 EEPW NEPA 8021BBenzene 6.5 ug/L 1/27/17 EEPW NEPA 8021BToluene 8.2 ug/L 1/27/17 EEPW NEPA 8021BEthylbenzene 57.8 ug/L 1/27/17 EEPW NEPA 8021BXylenes, Total 4.1 ug/L 1/27/17 EEPW NEPA 8021B1,3,5-Trimethylbenzene 11.5 ug/L 1/27/17 EEPW NEPA 8021B1,2,4-Trimethylbenzene 2.5 ug/L 1/27/17 EEPW NEPA 8021BNaphthalene 90 %1/27/17 EEPW NEPA 8021BSurr. 1 (Bromobenzene) > 10 1/27/17 EEPW NEPA 8021BUnidentified Peaks 011 Date Sampled: Time:1/17/17Site:MW 12-15 13:35 Analysis Date/TimeMethodParameterResult NELACLab/TechUnits Qual. 1/27/17 EEPWEPA 8021BVt Petroleum List 8021B < 2.0 ug/L 1/27/17 EEPW NEPA 8021BMethyl-t-butyl ether (MTBE) < 1.0 ug/L 1/27/17 EEPW NEPA 8021BBenzene < 1.0 ug/L 1/27/17 EEPW NEPA 8021BToluene < 1.0 ug/L 1/27/17 EEPW NEPA 8021BEthylbenzene < 2.0 ug/L 1/27/17 EEPW NEPA 8021BXylenes, Total < 1.0 ug/L 1/27/17 EEPW NEPA 8021B1,3,5-Trimethylbenzene < 1.0 ug/L 1/27/17 EEPW NEPA 8021B1,2,4-Trimethylbenzene < 2.0 ug/L 1/27/17 EEPW NEPA 8021BNaphthalene 98 %1/27/17 EEPW NEPA 8021BSurr. 1 (Bromobenzene) Laboratory Report KAS, Inc. Page 5 of 6 CLIENT: PROJECT:#410090357 Shelburne Road WORK ORDER: DATE RECEIVED: 1701-01301 1/18/17 0 1/27/17 EEPW NEPA 8021BUnidentified Peaks 012 Date Sampled: Time:1/17/17Site:MW 13-17 11:21 Analysis Date/TimeMethodParameterResult NELACLab/TechUnits Qual. 1/27/17 EEPWEPA 8021BVt Petroleum List 8021B 350 ug/L 1/27/17 EEPW NEPA 8021BMethyl-t-butyl ether (MTBE) 397 ug/L 1/27/17 EEPW NEPA 8021BBenzene 2,100 ug/L 1/27/17 EEPW NEPA 8021BToluene 660 ug/L 1/27/17 EEPW NEPA 8021BEthylbenzene 3,560 ug/L 1/27/17 EEPW NEPA 8021BXylenes, Total 143 ug/L 1/27/17 EEPW NEPA 8021B1,3,5-Trimethylbenzene 402 ug/L 1/27/17 EEPW NEPA 8021B1,2,4-Trimethylbenzene < 100 ug/L 1/27/17 EEPW NEPA 8021BNaphthalene 92 %1/27/17 EEPW NEPA 8021BSurr. 1 (Bromobenzene) > 10 1/27/17 EEPW NEPA 8021BUnidentified Peaks 013 Date Sampled: Time:1/17/17Site:MW 13-18 12:00 Analysis Date/TimeMethodParameterResult NELACLab/TechUnits Qual. 1/27/17 EEPWEPA 8021BVt Petroleum List 8021B 57.5 ug/L 1/27/17 EEPW NEPA 8021BMethyl-t-butyl ether (MTBE) 562 ug/L 1/27/17 EEPW NEPA 8021BBenzene < 20.0 ug/L 1/27/17 EEPW NEPA 8021BToluene 615 ug/L 1/27/17 EEPW NEPA 8021BEthylbenzene < 40.0 ug/L 1/27/17 EEPW NEPA 8021BXylenes, Total < 20.0 ug/L 1/27/17 EEPW NEPA 8021B1,3,5-Trimethylbenzene 431 ug/L 1/27/17 EEPW NEPA 8021B1,2,4-Trimethylbenzene 45.5 ug/L 1/27/17 EEPW NEPA 8021BNaphthalene 88 %1/27/17 EEPW NEPA 8021BSurr. 1 (Bromobenzene) > 10 1/27/17 EEPW NEPA 8021BUnidentified Peaks 014 Date Sampled: Time:1/17/17Site:Duplicate 11:21 Analysis Date/TimeMethodParameterResult NELACLab/TechUnits Qual. 1/27/17 EEPWEPA 8021BVt Petroleum List 8021B 329 ug/L 1/27/17 EEPW NEPA 8021BMethyl-t-butyl ether (MTBE) 375 ug/L 1/27/17 EEPW NEPA 8021BBenzene 1,990 ug/L 1/27/17 EEPW NEPA 8021BToluene 627 ug/L 1/27/17 EEPW NEPA 8021BEthylbenzene 3,360 ug/L 1/27/17 EEPW NEPA 8021BXylenes, Total 131 ug/L 1/27/17 EEPW NEPA 8021B1,3,5-Trimethylbenzene 385 ug/L 1/27/17 EEPW NEPA 8021B1,2,4-Trimethylbenzene < 100 ug/L 1/27/17 EEPW NEPA 8021BNaphthalene 89 %1/27/17 EEPW NEPA 8021BSurr. 1 (Bromobenzene) > 10 1/27/17 EEPW NEPA 8021BUnidentified Peaks 015 Date Sampled: Time:1/17/17Site:Trip Blank 7:00 Analysis Date/TimeMethodParameterResult NELACLab/TechUnits Qual. 1/27/17 EEPWEPA 8021BVt Petroleum List 8021B < 2.0 ug/L 1/27/17 EEPW NEPA 8021BMethyl-t-butyl ether (MTBE) < 1.0 ug/L 1/27/17 EEPW NEPA 8021BBenzene < 1.0 ug/L 1/27/17 EEPW NEPA 8021BToluene Laboratory Report KAS, Inc. Page 6 of 6 CLIENT: PROJECT:#410090357 Shelburne Road WORK ORDER: DATE RECEIVED: 1701-01301 1/18/17 < 1.0 ug/L 1/27/17 EEPW NEPA 8021BEthylbenzene < 2.0 ug/L 1/27/17 EEPW NEPA 8021BXylenes, Total < 1.0 ug/L 1/27/17 EEPW NEPA 8021B1,3,5-Trimethylbenzene < 1.0 ug/L 1/27/17 EEPW NEPA 8021B1,2,4-Trimethylbenzene < 2.0 ug/L 1/27/17 EEPW NEPA 8021BNaphthalene 86 %1/27/17 EEPW NEPA 8021BSurr. 1 (Bromobenzene) 0 1/27/17 EEPW NEPA 8021BUnidentified Peaks Report Summary of Qualifiers and Notes DS-: The Laboratory Duplicate analysis of this sample was not within method acceptance limits. The value of the Laboratory Duplicate was significantly lower than reported value. Test results comply with all NELAC requirements unless otherwise noted. This Laboratory Report includes the client’s COC sample documentation and shall not be reproduced except in full, without written approval of the laboratory. Laboratory Report 410090357 Shelburne Rd VarietyPROJECT: DATE RECEIVED: WORK ORDER: DATE REPORTED: 100306KAS, Inc. PO Box 787 Williston, VT 05495 Atten:Rebecca Treat SAMPLER: April 26, 2017 1704-08124 Rebecca April 20, 2017 Reviewed by: Enclosed please find the results of the analyses performed for the samples referenced on the attached chain of custody. All required method quality control elements including instrument calibration were performed in accordance with method requirements and determined to be acceptable unless otherwise noted. The column labeled Lab/Tech in the accompanying report denotes the laboratory facility where the testing was performed and the technician who conducted the assay. A "W" designates the Williston, VT lab under NELAC certification ELAP 11263; "R" designates the Lebanon, NH facility under certification NH 2037 and “N” the Plattsburgh, NY lab under certification ELAP 11892. “Sub” indicates the testing was performed by a subcontracted laboratory. The accreditation status of the subcontracted lab is referenced in the corresponding NELAC and Qual fields. The NELAC column also denotes the accreditation status of each laboratory for each reported parameter. “A” indicates the referenced laboratory is NELAC accredited for the parameter reported. “N” indicates the laboratory is not accredited. “U” indicates that NELAC does not offer accreditation for that parameter in that specific matrix. Test results denoted with an “A” meet all National Environmental Laboratory Accreditation Program requirements except where denoted by pertinent data qualifiers. Test results are representative of the samples as they were received at the laboratory Endyne, Inc. warrants, to the best of its knowledge and belief, the accuracy of the analytical test results contained in this report, but makes no other warranty, expressed or implied, especially no warranties of merchantability or fitness for a particular purpose. ___________________ Harry B. Locker, Ph.D. Laboratory Director 160 James Brown Dr., Williston, VT 05495 Ph 802-879-4333 Fax 802-879-7103 ELAP 11263 www.endynelabs.com NH203756 Etna Road, Lebanon, NH 03766 Ph 603-678-4891 Fax 603-678-4893 Laboratory Report KAS, Inc. Page 2 of 5 CLIENT: PROJECT:410090357 Shelburne Rd Variety WORK ORDER: DATE RECEIVED: 1704-08124 04/20/2017 4/26/2017REPORT DATE: 001 Date Sampled:4/19/17Site:MW10-2 4/25/17 EEPWAnalysis Date:10:30 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 209 NMethyl-t-butyl ether (MTBE)ug/L 335 NBenzeneug/L 139 NTolueneug/L 446 NEthylbenzeneug/L 1,040 NXylenes, Total ug/L < 50.0 N1,3,5-Trimethylbenzene ug/L 364 N1,2,4-Trimethylbenzene ug/L < 100 NNaphthaleneug/L 104 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 002 Date Sampled:4/19/17Site:MW10-3 4/25/17 EEPWAnalysis Date:10:40 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 39.9 NMethyl-t-butyl ether (MTBE)ug/L 110 NBenzeneug/L 254 NTolueneug/L 285 NEthylbenzeneug/L 1,830 NXylenes, Total ug/L 51.0 N1,3,5-Trimethylbenzene ug/L 152 N1,2,4-Trimethylbenzene ug/L 31.1 NNaphthaleneug/L 102 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 003 Date Sampled:4/19/17Site:MW10-4 4/25/17 EEPWAnalysis Date:10:50 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B < 2.0 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 103 NSurr. 1 (Bromobenzene)%0 NUnidentified Peaks 004 Date Sampled:4/19/17Site:MW10-5 4/25/17 EEPWAnalysis Date:11:01 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 256 NMethyl-t-butyl ether (MTBE)ug/L 260 NBenzeneug/L 127 NTolueneug/L 71.0 NEthylbenzeneug/L 327 NXylenes, Total ug/L 71.4 N1,3,5-Trimethylbenzene ug/L 165 N1,2,4-Trimethylbenzene ug/L < 40.0 NNaphthaleneug/L 101 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 005 Date Sampled:4/19/17Site:MW10-6 4/25/17 EEPWAnalysis Date:11:08 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 432 NMethyl-t-butyl ether (MTBE)ug/L 1,840 NBenzeneug/L 6,070 NTolueneug/L 1,780 NEthylbenzeneug/L 7,170 NXylenes, Total ug/L 270 N1,3,5-Trimethylbenzene ug/L 944 N1,2,4-Trimethylbenzene ug/L < 200 NNaphthaleneug/L 102 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks Laboratory Report KAS, Inc. Page 3 of 5 CLIENT: PROJECT:410090357 Shelburne Rd Variety WORK ORDER: DATE RECEIVED: 1704-08124 04/20/2017 4/26/2017REPORT DATE: 006 Date Sampled:4/19/17Site:MW11-7 4/25/17 EEPWAnalysis Date:12:15 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 5.8 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 106 NSurr. 1 (Bromobenzene)%8 NUnidentified Peaks 007 Date Sampled:4/19/17Site:MW11-8 4/25/17 EEPWAnalysis Date:12:22 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 16.1 NMethyl-t-butyl ether (MTBE)ug/L 10.6 NBenzeneug/L 1.0 NTolueneug/L 1.5 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L 15.4 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 101 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 008 Date Sampled:4/19/17Site:MW11-9 4/25/17 EEPWAnalysis Date:12:49 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 234 NMethyl-t-butyl ether (MTBE)ug/L 394 NBenzeneug/L 17.1 NTolueneug/L 192 NEthylbenzeneug/L 225 NXylenes, Total ug/L 12.4 N1,3,5-Trimethylbenzene ug/L 137 N1,2,4-Trimethylbenzene ug/L 26.1 NNaphthaleneug/L 102 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 009 Date Sampled:4/19/17Site:MW11-10 4/25/17 EEPWAnalysis Date:13:00 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 48.6 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 107 NSurr. 1 (Bromobenzene)%2 NUnidentified Peaks 010 Date Sampled:4/19/17Site:MW11-11 4/25/17 EEPWAnalysis Date:13:30 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 5.5 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 109 NSurr. 1 (Bromobenzene)%0 NUnidentified Peaks Laboratory Report KAS, Inc. Page 4 of 5 CLIENT: PROJECT:410090357 Shelburne Rd Variety WORK ORDER: DATE RECEIVED: 1704-08124 04/20/2017 4/26/2017REPORT DATE: 011 Date Sampled:4/19/17Site:MW12-12 4/25/17 EEPWAnalysis Date:15:00 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B < 2.0 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 106 NSurr. 1 (Bromobenzene)%0 NUnidentified Peaks 012 Date Sampled:4/19/17Site:MW12-13 4/25/17 EEPWAnalysis Date:14:10 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 285 NMethyl-t-butyl ether (MTBE)ug/L 1,640 NBenzeneug/L 253 NTolueneug/L 741 NEthylbenzeneug/L 1,840 NXylenes, Total ug/L 27.4 N1,3,5-Trimethylbenzene ug/L 477 N1,2,4-Trimethylbenzene ug/L 79.6 NNaphthaleneug/L 103 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 013 Date Sampled:4/19/17Site:MW12-14 4/25/17 EEPWAnalysis Date:14:25 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 120 NMethyl-t-butyl ether (MTBE)ug/L 986 NBenzeneug/L 2,130 NTolueneug/L 301 NEthylbenzeneug/L 1,490 NXylenes, Total ug/L 54.0 N1,3,5-Trimethylbenzene ug/L 163 N1,2,4-Trimethylbenzene ug/L 36.6 NNaphthaleneug/L 103 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 014 Date Sampled:4/19/17Site:MW12-15 4/25/17 EEPWAnalysis Date:13:46 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 18.2 NMethyl-t-butyl ether (MTBE)ug/L 55.8 NBenzeneug/L 1.5 NTolueneug/L 6.5 NEthylbenzeneug/L 7.1 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L 2.6 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 103 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 015 Date Sampled:4/19/17Site:MW13-17 4/25/17 EEPWAnalysis Date:11:15 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 577 NMethyl-t-butyl ether (MTBE)ug/L 528 NBenzeneug/L 4,850 NTolueneug/L 1,500 NEthylbenzeneug/L 8,340 NXylenes, Total ug/L 327 N1,3,5-Trimethylbenzene ug/L 1,060 N1,2,4-Trimethylbenzene ug/L 181 NNaphthaleneug/L 106 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks Laboratory Report KAS, Inc. Page 5 of 5 CLIENT: PROJECT:410090357 Shelburne Rd Variety WORK ORDER: DATE RECEIVED: 1704-08124 04/20/2017 4/26/2017REPORT DATE: 016 Date Sampled:4/19/17Site:Duplicate 4/25/17 EEPWAnalysis Date:10:45 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 44.5 NMethyl-t-butyl ether (MTBE)ug/L 112 NBenzeneug/L 302 NTolueneug/L 344 NEthylbenzeneug/L 2,330 NXylenes, Total ug/L 69.1 N1,3,5-Trimethylbenzene ug/L 193 N1,2,4-Trimethylbenzene ug/L 38.2 NNaphthaleneug/L 111 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 017 Date Sampled:4/19/17Site:Trip Blank 4/25/17 EEPWAnalysis Date:08:35 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B < 2.0 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 112 NSurr. 1 (Bromobenzene)%0 NUnidentified Peaks Laboratory Report 410090357 Shelburne Rd VarietyPROJECT: DATE RECEIVED: WORK ORDER: DATE REPORTED: 100306KAS, Inc PO Box 787 Williston, VT 05495 Atten:Rebecca Treat SAMPLER: August 04, 2017 1707-16990 RT, DO July 27, 2017 Reviewed by: Enclosed please find the results of the analyses performed for the samples referenced on the attached chain of custody. All required method quality control elements including instrument calibration were performed in accordance with method requirements and determined to be acceptable unless otherwise noted. The column labeled Lab/Tech in the accompanying report denotes the laboratory facility where the testing was performed and the technician who conducted the assay. A "W" designates the Williston, VT lab under NELAC certification ELAP 11263; "R" designates the Lebanon, NH facility under certification NH 2037 and “N” the Plattsburgh, NY lab under certification ELAP 11892. “Sub” indicates the testing was performed by a subcontracted laboratory. The accreditation status of the subcontracted lab is referenced in the corresponding NELAC and Qual fields. The NELAC column also denotes the accreditation status of each laboratory for each reported parameter. “A” indicates the referenced laboratory is NELAC accredited for the parameter reported. “N” indicates the laboratory is not accredited. “U” indicates that NELAC does not offer accreditation for that parameter in that specific matrix. Test results denoted with an “A” meet all National Environmental Laboratory Accreditation Program requirements except where denoted by pertinent data qualifiers. Test results are representative of the samples as they were received at the laboratory Endyne, Inc. warrants, to the best of its knowledge and belief, the accuracy of the analytical test results contained in this report, but makes no other warranty, expressed or implied, especially no warranties of merchantability or fitness for a particular purpose. ___________________ Harry B. Locker, Ph.D. Laboratory Director 160 James Brown Dr., Williston, VT 05495 Ph 802-879-4333 Fax 802-879-7103 ELAP 11263 www.endynelabs.com NH203756 Etna Road, Lebanon, NH 03766 Ph 603-678-4891 Fax 603-678-4893 Laboratory Report KAS, Inc Page 2 of 5 CLIENT: PROJECT:410090357 Shelburne Rd Variety WORK ORDER: DATE RECEIVED: 1707-16990 07/27/2017 8/4/2017REPORT DATE: 001 Date Sampled:7/26/17Site:MW10-2 8/3/17 EEPWAnalysis Date:09:35 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 377 NMethyl-t-butyl ether (MTBE)ug/L 785 NBenzeneug/L 388 NTolueneug/L 865 NEthylbenzeneug/L 1,150 NXylenes, Total ug/L < 20.0 N1,3,5-Trimethylbenzene ug/L 690 N1,2,4-Trimethylbenzene ug/L 85.9 NNaphthaleneug/L 85 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 002 Date Sampled:7/26/17Site:MW10-3 8/3/17 EEPWAnalysis Date:09:55 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B < 40.0 NMethyl-t-butyl ether (MTBE)ug/L 115 NBenzeneug/L 268 NTolueneug/L 257 NEthylbenzeneug/L 1,310 NXylenes, Total ug/L 56.1 N1,3,5-Trimethylbenzene ug/L 184 N1,2,4-Trimethylbenzene ug/L < 40.0 NNaphthaleneug/L 91 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 003 Date Sampled:7/26/17Site:MW10-4 8/3/17 EEPWAnalysis Date:10:50 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B < 2.0 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 93 NSurr. 1 (Bromobenzene)%0 NUnidentified Peaks 004 Date Sampled:7/26/17Site:MW10-5 8/3/17 EEPWAnalysis Date:11:15 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 518 NMethyl-t-butyl ether (MTBE)ug/L 516 NBenzeneug/L 1,640 NTolueneug/L 379 NEthylbenzeneug/L 2,430 NXylenes, Total ug/L 240 N1,3,5-Trimethylbenzene ug/L 505 N1,2,4-Trimethylbenzene ug/L 65.9 NNaphthaleneug/L 91 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 005 Date Sampled:7/26/17Site:MW10-6 8/3/17 EEPWAnalysis Date:11:30 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B < 200 NMethyl-t-butyl ether (MTBE)ug/L 1,380 NBenzeneug/L 4,050 NTolueneug/L 1,710 NEthylbenzeneug/L 6,560 NXylenes, Total ug/L 279 N1,3,5-Trimethylbenzene ug/L 913 N1,2,4-Trimethylbenzene ug/L < 200 NNaphthaleneug/L 89 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks Laboratory Report KAS, Inc Page 3 of 5 CLIENT: PROJECT:410090357 Shelburne Rd Variety WORK ORDER: DATE RECEIVED: 1707-16990 07/27/2017 8/4/2017REPORT DATE: 006 Date Sampled:7/26/17Site:MW11-8 8/3/17 EEPWAnalysis Date:14:13 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 45.3 NMethyl-t-butyl ether (MTBE)ug/L 38.1 NBenzeneug/L 7.2 NTolueneug/L 7.5 NEthylbenzeneug/L 13.4 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L 21.2 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 88 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 007 Date Sampled:7/26/17Site:MW11-9 8/3/17 EEPWAnalysis Date:14:25 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 119 NMethyl-t-butyl ether (MTBE)ug/L 334 NBenzeneug/L 13.3 NTolueneug/L 167 NEthylbenzeneug/L 174 NXylenes, Total ug/L 12.1 N1,3,5-Trimethylbenzene ug/L 171 N1,2,4-Trimethylbenzene ug/L 41.7 NNaphthaleneug/L 89 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 008 Date Sampled:7/26/17Site:MW11-10 8/3/17 EEPWAnalysis Date:14:35 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B < 2.0 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 92 NSurr. 1 (Bromobenzene)%0 NUnidentified Peaks 009 Date Sampled:7/26/17Site:MW11-11 8/3/17 EEPWAnalysis Date:14:05 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 3.7 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 95 NSurr. 1 (Bromobenzene)%0 NUnidentified Peaks 010 Date Sampled:7/26/17Site:MW12-12 8/3/17 EEPWAnalysis Date:15:37 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B < 2.0 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 95 NSurr. 1 (Bromobenzene)%0 NUnidentified Peaks Laboratory Report KAS, Inc Page 4 of 5 CLIENT: PROJECT:410090357 Shelburne Rd Variety WORK ORDER: DATE RECEIVED: 1707-16990 07/27/2017 8/4/2017REPORT DATE: 011 Date Sampled:7/26/17Site:MW12-13 8/3/17 EEPWAnalysis Date:14:45 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 288 NMethyl-t-butyl ether (MTBE)ug/L 1,430 NBenzeneug/L 38.7 NTolueneug/L 377 NEthylbenzeneug/L 204 NXylenes, Total ug/L < 20.0 N1,3,5-Trimethylbenzene ug/L 173 N1,2,4-Trimethylbenzene ug/L 41.6 NNaphthaleneug/L 89 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 012 Date Sampled:7/26/17Site:MW12-14 8/3/17 EEPWAnalysis Date:15:25 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 79.1 NMethyl-t-butyl ether (MTBE)ug/L 645 NBenzeneug/L 608 NTolueneug/L 201 NEthylbenzeneug/L 656 NXylenes, Total ug/L 31.8 N1,3,5-Trimethylbenzene ug/L 101 N1,2,4-Trimethylbenzene ug/L < 40.0 NNaphthaleneug/L 89 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 013 Date Sampled:7/26/17Site:MW12-15 8/4/17 EEPWAnalysis Date:15:15 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 53.8 NMethyl-t-butyl ether (MTBE)ug/L 486 NBenzeneug/L 309 NTolueneug/L 108 NEthylbenzeneug/L 328 NXylenes, Total ug/L 5.9 N1,3,5-Trimethylbenzene ug/L 31.4 N1,2,4-Trimethylbenzene ug/L 2.6 NNaphthaleneug/L 93 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 014 Date Sampled:7/26/17Site:MW13-17 8/3/17 EEPWAnalysis Date:10:15 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 841 NMethyl-t-butyl ether (MTBE)ug/L 655 NBenzeneug/L 3,670 NTolueneug/L 1,710 NEthylbenzeneug/L 9,150 NXylenes, Total ug/L 404 N1,3,5-Trimethylbenzene ug/L 1,230 N1,2,4-Trimethylbenzene ug/L 205 NNaphthaleneug/L 96 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 015 Date Sampled:7/26/17Site:Duplicate 8/3/17 EEPWAnalysis Date:11:30 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B < 200 NMethyl-t-butyl ether (MTBE)ug/L 1,400 NBenzeneug/L 4,260 NTolueneug/L 1,810 NEthylbenzeneug/L 7,040 NXylenes, Total ug/L 278 N1,3,5-Trimethylbenzene ug/L 989 N1,2,4-Trimethylbenzene ug/L < 200 NNaphthaleneug/L 96 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks Laboratory Report KAS, Inc Page 5 of 5 CLIENT: PROJECT:410090357 Shelburne Rd Variety WORK ORDER: DATE RECEIVED: 1707-16990 07/27/2017 8/4/2017REPORT DATE: 016 Date Sampled:7/26/17Site:Trip Blank 8/3/17 EEPWAnalysis Date:09:15 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B < 2.0 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 100 NSurr. 1 (Bromobenzene)%0 NUnidentified Peaks Laboratory Report 410090357 Shelburne Rd VarietyPROJECT: DATE RECEIVED: WORK ORDER: DATE REPORTED: 100306KAS, Inc PO Box 787 Williston, VT 05495 Atten:Rebecca Treat SAMPLER: December 15, 2017 1712-29081 Monica Ladago December 06, 2017 Reviewed by: Enclosed please find the results of the analyses performed for the samples referenced on the attached chain of custody. All required method quality control elements including instrument calibration were performed in accordance with method requirements and determined to be acceptable unless otherwise noted. The column labeled Lab/Tech in the accompanying report denotes the laboratory facility where the testing was performed and the technician who conducted the assay. A "W" designates the Williston, VT lab under NELAC certification ELAP 11263; "R" designates the Lebanon, NH facility under certification NH 2037 and “N” the Plattsburgh, NY lab under certification ELAP 11892. “Sub” indicates the testing was performed by a subcontracted laboratory. The accreditation status of the subcontracted lab is referenced in the corresponding NELAC and Qual fields. The NELAC column also denotes the accreditation status of each laboratory for each reported parameter. “A” indicates the referenced laboratory is NELAC accredited for the parameter reported. “N” indicates the laboratory is not accredited. “U” indicates that NELAC does not offer accreditation for that parameter in that specific matrix. Test results denoted with an “A” meet all National Environmental Laboratory Accreditation Program requirements except where denoted by pertinent data qualifiers. Test results are representative of the samples as they were received at the laboratory Endyne, Inc. warrants, to the best of its knowledge and belief, the accuracy of the analytical test results contained in this report, but makes no other warranty, expressed or implied, especially no warranties of merchantability or fitness for a particular purpose. ___________________ Harry B. Locker, Ph.D. Laboratory Director 160 James Brown Dr., Williston, VT 05495 Ph 802-879-4333 Fax 802-879-7103 ELAP 11263 www.endynelabs.com NH203756 Etna Road, Lebanon, NH 03766 Ph 603-678-4891 Fax 603-678-4893 Laboratory Report KAS, Inc Page 2 of 5 CLIENT: PROJECT:410090357 Shelburne Rd Variety WORK ORDER: DATE RECEIVED: 1712-29081 12/06/2017 12/15/2017REPORT DATE: 001 Date Sampled:12/4/17Site:MW10-2 12/11/17 TELWAnalysis Date:13:47 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 742 NMethyl-t-butyl ether (MTBE)ug/L 1,090 NBenzeneug/L 357 NTolueneug/L 1,970 NEthylbenzeneug/L 2,620 NXylenes, Total ug/L 115 N1,3,5-Trimethylbenzene ug/L 1,300 N1,2,4-Trimethylbenzene ug/L 206 NNaphthaleneug/L 100 NSurr. 1 (Bromobenzene)%>10 NUnidentified Peaks 002 Date Sampled:12/4/17Site:MW10-3 12/13/17 TELWAnalysis Date:13:59 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 17.0 NMethyl-t-butyl ether (MTBE)ug/L 111 NBenzeneug/L 15.6 NTolueneug/L 83.1 NEthylbenzeneug/L 142 NXylenes, Total ug/L 28.6 N1,3,5-Trimethylbenzene ug/L 103 N1,2,4-Trimethylbenzene ug/L 11.7 NNaphthaleneug/L 95 NSurr. 1 (Bromobenzene)%>10 NUnidentified Peaks 003 Date Sampled:12/4/17Site:MW10-4 12/11/17 TELWAnalysis Date:14:32 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B < 2.0 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 92 NSurr. 1 (Bromobenzene)%0 NUnidentified Peaks 004 Date Sampled:12/4/17Site:MW10-5 12/11/17 TELWAnalysis Date:14:39 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 511 NMethyl-t-butyl ether (MTBE)ug/L 471 NBenzeneug/L 545 NTolueneug/L 536 NEthylbenzeneug/L 3,280 NXylenes, Total ug/L 321 N1,3,5-Trimethylbenzene ug/L 664 N1,2,4-Trimethylbenzene ug/L 92.6 NNaphthaleneug/L 94 NSurr. 1 (Bromobenzene)%>10 NUnidentified Peaks 005 Date Sampled:12/4/17Site:MW10-6 12/11/17 TELWAnalysis Date:14:22 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B < 200 NMethyl-t-butyl ether (MTBE)ug/L 1,470 NBenzeneug/L 4,860 NTolueneug/L 2,450 NEthylbenzeneug/L 9,100 NXylenes, Total ug/L 447 N1,3,5-Trimethylbenzene ug/L 1,410 N1,2,4-Trimethylbenzene ug/L 250 NNaphthaleneug/L 96 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks Laboratory Report KAS, Inc Page 3 of 5 CLIENT: PROJECT:410090357 Shelburne Rd Variety WORK ORDER: DATE RECEIVED: 1712-29081 12/06/2017 12/15/2017REPORT DATE: 006 Date Sampled:12/4/17Site:MW11-7 12/11/17 TELWAnalysis Date:13:04 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 3.0 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 93 NSurr. 1 (Bromobenzene)%0 NUnidentified Peaks 007 Date Sampled:12/4/17Site:MW11-8 12/11/17 TELWAnalysis Date:13:11 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 20.6 NMethyl-t-butyl ether (MTBE)ug/L 12.2 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L 6.1 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 95 NSurr. 1 (Bromobenzene)%>10 NUnidentified Peaks 008 Date Sampled:12/4/17Site:MW11-9 12/11/17 TELWAnalysis Date:13:18 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 196 NMethyl-t-butyl ether (MTBE)ug/L 332 NBenzeneug/L 17.4 NTolueneug/L 283 NEthylbenzeneug/L 334 NXylenes, Total ug/L 28.2 N1,3,5-Trimethylbenzene ug/L 370 N1,2,4-Trimethylbenzene ug/L 77.4 NNaphthaleneug/L 92 NSurr. 1 (Bromobenzene)%>10 NUnidentified Peaks 009 Date Sampled:12/4/17Site:MW11-10 12/11/17 TELWAnalysis Date:12:49 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B < 2.0 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 100 NSurr. 1 (Bromobenzene)%0 NUnidentified Peaks 010 Date Sampled:12/4/17Site:MW11-11 12/11/17 TELWAnalysis Date:12:57 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 3.0 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 99 NSurr. 1 (Bromobenzene)%0 NUnidentified Peaks Laboratory Report KAS, Inc Page 4 of 5 CLIENT: PROJECT:410090357 Shelburne Rd Variety WORK ORDER: DATE RECEIVED: 1712-29081 12/06/2017 12/15/2017REPORT DATE: 011 Date Sampled:12/4/17Site:MW12-12 12/11/17 TELWAnalysis Date:12:19 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B < 2.0 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 103 NSurr. 1 (Bromobenzene)%0 NUnidentified Peaks 012 Date Sampled:12/4/17Site:MW12-13 12/13/17 TELWAnalysis Date:12:42 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 16.7 NMethyl-t-butyl ether (MTBE)ug/L 33.2 NBenzeneug/L < 1.0 NTolueneug/L 3.9 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 93 NSurr. 1 (Bromobenzene)%1 NUnidentified Peaks 013 Date Sampled:12/4/17Site:MW12-14 12/13/17 TELWAnalysis Date:12:04 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 14.5 NMethyl-t-butyl ether (MTBE)ug/L 36.2 NBenzeneug/L 9.7 NTolueneug/L 13.5 NEthylbenzeneug/L 24.2 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L 6.6 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 94 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 014 Date Sampled:12/4/17Site:MW12-15 12/13/17 TELWAnalysis Date:11:52 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B < 2.0 NMethyl-t-butyl ether (MTBE)ug/L 2.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 101 NSurr. 1 (Bromobenzene)%0 NUnidentified Peaks 015 Date Sampled:12/4/17Site:MW13-17 12/11/17 TELWAnalysis Date:14:08 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 1,270 NMethyl-t-butyl ether (MTBE)ug/L 790 NBenzeneug/L 2,390 NTolueneug/L 1,600 NEthylbenzeneug/L 8,140 NXylenes, Total ug/L 388 N1,3,5-Trimethylbenzene ug/L 1,110 N1,2,4-Trimethylbenzene ug/L 192 NNaphthaleneug/L 97 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks Laboratory Report KAS, Inc Page 5 of 5 CLIENT: PROJECT:410090357 Shelburne Rd Variety WORK ORDER: DATE RECEIVED: 1712-29081 12/06/2017 12/15/2017REPORT DATE: 016 Date Sampled:12/4/17Site:Duplicate 12/11/17 TELWAnalysis Date:14:08 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 1,230 NMethyl-t-butyl ether (MTBE)ug/L 790 NBenzeneug/L 2,360 NTolueneug/L 1,550 NEthylbenzeneug/L 7,910 NXylenes, Total ug/L 391 N1,3,5-Trimethylbenzene ug/L 1,090 N1,2,4-Trimethylbenzene ug/L 190 NNaphthaleneug/L 95 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 017 Date Sampled:12/4/17Site:SW-1 12/13/17 TELWAnalysis Date:12:31 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B 85.0 NMethyl-t-butyl ether (MTBE)ug/L 292 NBenzeneug/L 521 NTolueneug/L 105 NEthylbenzeneug/L 446 NXylenes, Total ug/L 14.4 N1,3,5-Trimethylbenzene ug/L 45.7 N1,2,4-Trimethylbenzene ug/L 8.5 NNaphthaleneug/L 96 NSurr. 1 (Bromobenzene)%> 10 NUnidentified Peaks 018 Date Sampled:12/4/17Site:Trip Blank 12/11/17 TELWAnalysis Date:08:13 QualNelac Result UnitResult Result ParameterQualNelac Result UnitResult Result Parameter TEST METHOD:EPA 8021B < 2.0 NMethyl-t-butyl ether (MTBE)ug/L < 1.0 NBenzeneug/L < 1.0 NTolueneug/L < 1.0 NEthylbenzeneug/L < 2.0 NXylenes, Total ug/L < 1.0 N1,3,5-Trimethylbenzene ug/L < 1.0 N1,2,4-Trimethylbenzene ug/L < 2.0 NNaphthaleneug/L 104 NSurr. 1 (Bromobenzene)%0 NUnidentified Peaks #SP‐18‐43  Staff Comments  1  CITY OF SOUTH BURLINGTON  DEVELOPMENT REVIEW BOARD  SP‐18‐43_123 Nesti Dr_Chamberlain_2018‐09‐04.docx  DEPARTMENT OF PLANNING & ZONING   Report preparation date: September 25, 2018  Plans received: August 8, 2018  123 Nesti Dr  Site Plan Application #SP‐18‐43  Meeting date: October 2, 2018  Owner  Burlington Self Storage, LLP  123 Nesti Drive  South Burlington, VT 05403  Applicant  Chamberlin Construction  109 Heineberg Dr.  Colchester, VT 05446  Property Information  Tax Parcel 1215‐00123  Commercial 2 Zoning District  Transit Overlay District  3.98 acres  Engineer  Chenette Associates, P.C.  Berlin, VT  Location Map      PROJECT DESCRPTION    Site plan application #SP‐18‐43 of Chamberlin Construction to amend a previously approved plan for a  32,000 sq. ft. of temperature controlled self‐storage and 35,850 sq. ft. of self‐storage in eight (8)  buildings.  The amendment consists of constructing a conveyance swale and pretreatment forebay.  The  #SP‐18‐43  Staff Comments  2  pretreatment forebay discharges to a gravel wetland proposed to be located on the adjacent parcel, 123  Nesti Drive.    PERMIT HISTORY    The Project is located in the Commercial 2 District. The most‐recently approved application for this  property consisted of addition of a second story onto the temperature controlled self storage building,  in 2005.     COMMENTS    Planning Director Paul Conner and Development Review Planner Marla Keene (“Staff”) have reviewed  the plans submitted on 8/8/2018 and offer the following comments. Numbered items for the Board’s  attention are in red.    CONTEXT    The applicant is proposing to construct a conveyance swale and pretreatment forebay.  The  pretreatment forebay discharges to a gravel wetland proposed to be located on the adjacent parcel.   The gravel wetland will provide treatment of stormwater runoff from Route 7, the subject property, the  Blue Linx property on Pine Haven Shores Road in Shelburne and a portion of the residential  development on the east side of Route 7.  The site plan is subject to DRB review because the project  involves removal or placement of greater than twenty (20) cubic yards of fill not in connection with the  construction of a structure.    A) ZONING DISTRICT & DIMENSIONAL REQUIREMENTS    Setbacks, Coverages & Lot Dimensions    Building and overall coverages and minimum lot sizes will remain unchanged. No new building is proposed.     Commercial 2 Required 123 Nesti   Drive  Min. Lot Size 40,000 sq. ft.  173,296 sq. ft.  Max. Building  Coverage  40%  30.6%  Max. Overall  Coverage  70%  67.8%  Max. Front  Setback Coverage  30%  14.1%  @Min. Front  Setback  50 ft.  42 ft.  Min. Side  Setback  10 ft.  27 ft.  Min. Rear  Setback  30 ft.  28 ft.   Proposed to be in compliance  #SP‐18‐43  Staff Comments  3  @ Existing non‐compliance.      B) SUPPLEMENTAL STANDARDS FOR ALL COMMERCIAL DISTRICTS  Land Development Regulations Section 5.08 apply to development within the C‐2 district.    A. Development according to commercial district regulations and multifamily development at the  residential density specified for the applicable district shall be subject to site plan review, as set  forth in Article 14, the purpose of which shall be to encourage innovation of design and layout,  encourage  more  efficient  use  of  land  for  commercial  development,  promote  mixed‐use  development  and  shared  parking  opportunities,  reduce  stormwater  runoff  and  maximize  infiltration,  provide  coordinated  access  to  and  from  commercial  developments  via  public  roadways, and maintain service levels on public roadways with a minimum of publicly financed  roadway improvements.    This site plan is for the purpose of providing treatment for stormwater runoff.      The Assistant Stormwater Superintendent reviewed the plans on September 4, 2018 and offers  the following comment.    We have reviewed the Town of Shelburne Velco Property Gravel Wetland project, prepared by  Chenette Associates, P.C., dated 7/11/18. We support this project in providing treatment to  previously untreated stormwater runoff and have no further comments.    Staff considers this criterion met.    B. Multiple structures, multiple uses within structures, and multiple uses on a subject site may be  allowed, if the Development Review Board determines that the subject site has sufficient  frontage, lot size, and lot depth. Area requirements and frontage needs may be met by the  consolidation of contiguous lots under separate ownership. Construction of a new public street  may serve as the minimum frontage needs. Where multiple structures are proposed,  maximum lot coverage shall be the normal maximum for the applicable district.    This site plan does not affect the existing structure or uses of the property.  Staff considers this  criterion met.    C.   Parking, Access, and Internal Circulation  (1)   Parking requirements may be modified, depending in the extent of shared parking, the  presence of sidewalks or recreation paths, and residences lying within walking distance  (defined as no further than one‐quarter (¼) mile for purposes of commercial zoning districts).  Any requirements for shared access and/or parking must be secured by permanent legal  agreements acceptable to the City Attorney.  (2)   Parking areas shall be designed for efficient internal circulation and the minimum  number of curb cuts onto the public roadway.  (3)   Access improvements and curb cut consolidation may be required.    This site plan does not affect the existing parking or uses of the property.  Staff considers this  criterion met.  #SP‐18‐43  Staff Comments  4    D.   N/A    C) SITE PLAN REVIEW STANDARDS  Section 14.06 of the South Burlington Land Development Regulations establishes the following general  review standards for all site plan applications:    A. Relationship of Proposed Development to the City of South Burlington Comprehensive Plan.  Due attention by the applicant should be given to the goals and objectives and the stated land  use policies for the City of South Burlington as set forth in the Comprehensive Plan.    Staff considers the proposed site plan meets the Comprehensive Plan stormwater objective 26  pertaining to improvement of watershed health.     B. Relationship of Proposed Structures to the Site.  (1) The site shall be planned to accomplish a desirable transition from structure to site, from  structure to structure, and to provide for adequate planting, safe pedestrian movement,  and adequate parking areas.    No changes to the structures are proposed.  Staff considers this criterion met.    (2) Parking:  (a)  Parking shall be located to the rear or sides of buildings.  Any side of a building facing  a public street shall be considered a front side of a building for the purposes of this  subsection.      Parking is provided farther from the street than the nearest building.  No changes to parking  are proposed.  Staff considers this criterion met.    (b) ‐ (d) (not applicable)    (3) Without restricting the permissible limits of the applicable zoning district, the height and  scale of each building shall be compatible with its site and existing or anticipated  adjoining buildings.    No changes to the structures are proposed.  Staff considers this criterion met.    C. Relationship of Structures and Site to Adjoining Area.  (1) The Development Review Board shall encourage the use of a combination of common  materials and architectural characteristics (e.g., rhythm, color, texture, form or detailing),  landscaping, buffers, screens and visual interruptions to create attractive transitions  between buildings of different architectural styles.  (2) Proposed structures shall be related harmoniously to themselves, the terrain and to  existing buildings and roads in the vicinity that have a visual relationship to the proposed  structures.    No changes to the structures are proposed.  Staff considers this criterion met.    #SP‐18‐43  Staff Comments  5  In addition to the above general review standards, site plan applications shall meet the following specific  standards as set forth in Section 14.07 of the Land Development Regulations:    (I) Access to Abutting Properties.  The reservation of land may be required on any lot for provision of  access to abutting properties whenever such access is deemed necessary to reduce curb cuts onto  an arterial or collector street, to provide additional access for emergency or other purposes, or to  improve general access and circulation in the area.    No changes to access are proposed.  The access to the proposed gravel wetland located on the  adjacent VELCO property will be via the subject property.  Staff considers this criterion met.      (II) Utility Services.   Electric, telephone and other wire‐served utility lines and service connections shall  be underground. Any utility installations remaining above ground shall be located so as to have a  harmonious relation to neighboring properties and to the site.    No changes are proposed to the existing utilities.  Staff considers this criterion met.    (III) Disposal of Wastes.  All dumpsters and other facilities to handle solid waste, including compliance  with any recycling or other requirements, shall be accessible, secure and properly screened with  opaque fencing to ensure that trash and debris do not escape the enclosure(s).    The Site has an existing dumpster enclosure near the south property line.  Staff considers this  criterion met.    (IV) Landscaping and Screening Requirements. (See Article 13, Section 13.06)    Pursuant  to  Section  13.06(A) of the  proposed  Land Development  Regulations,  landscaping  and  screening shall be required for all projects subject to site plan review.  The applicant is not proposing  any building improvements therefore no landscaping is required.  Staff considers this criterion met.   F.  Low Impact Development. The use of low impact site design strategies that minimize site  disturbance,  and  that  integrate  structures,  landscaping,  natural  hydrologic  functions,  and  various  other  techniques  to  minimize  runoff  from  impervious  surfaces  and  to  infiltrate  precipitation into underlying soils and groundwater as close as is reasonable practicable to  where it hits the ground, is required pursuant to the standards contained within Article 12.    The purpose of this application is to install a forebay for the  purpose  of  pretreatment  of  stormwater runoff.  The project does not trigger the standards of Article 12.  Staff considers this  criterion met.    G. Standards for Roadways, Parking and Circulation. Standards of Section 15.12 Standards for  Roadways, Parking, and Circulation shall be met.    No changes to roadways, parking and circulation are proposed.  Staff considers this criterion met.    D) OTHER  1. Lighting  #SP‐18‐43  Staff Comments  6    Section 13.07 of the Land Development Regulations addresses exterior lighting as follows.    A. General Requirements.  All exterior lighting for all uses in all districts except for one‐family  and two‐family uses shall be of such a type and location and shall have such shielding as  will direct the light downward and will prevent the source of light from being visible from  any adjacent residential property or street. Light fixtures that are generally acceptable are  illustrated in Appendix D. “Source of light” shall be deemed to include any transparent or  translucent lighting that is an integral part of the lighting fixture(s). Site illumination for  uncovered areas shall be evenly distributed. Where feasible, energy efficient lighting is  encouraged.    The provided site plan does not include light fixtures.  Staff notes the presence of a number  of light fixtures on the property.  Some of the existing building mounted light fixtures appear  to be flood type fixtures, which are not allowed under this standard.      1. Staff recommends the Board require the applicant to remove any flood type fixtures or  other fixtures which are not downcast and shielded.  Staff recommends the Board ask  the applicant whether they’d prefer to remove or replace the noncompliant fixtures so  the condition of approval can be specific and agreeable to the applicant.    B. Not applicable.    2. Bicycle Parking    The minimum required short‐term bicycle parking for the building is 4 spaces based on 67,850 sq. ft.  of warehousing/light industry.  Section 13.14B(1)(b) allows existing  bicycle  racks  to  be  counted  towards the minimum requirements if they meet certain standards.  At the time of the first site plan  application, the applicant must provide at least 50% of the required number of short term bicycle  parking spaces.  The applicant has not demonstrated whether the existing bicycle parking meets the  standards.    2. Based on available information, Staff believes the bicycle rack shown on the previously approved  plan may no longer be present on the site.  Staff recommends the Board require the applicant to  install at least 2 bicycle parking spaces in the location of the previously approved bicycle rack.    RECOMMENDATION    Staff recommends that the Board discuss the Project with the applicant and close the hearing.    Respectfully submitted,      ________________________________  Marla Keene, Development Review Planner  DEVELOPMENT REVIEW BOARD  18 SEPTEMBER 2018  PAGE 1    DEVELOPMENT REVIEW BOARD                18 SEPTEMBER 2018    The South Burlington Development Review Board held a regular meeting on Tuesday, 18  September  2018, at 7:00 p.m. in the Conference Room, City Hall, 575 Dorset Street.    MEMBERS PRESENT: M. Cota, Vice Chair; J Smith, J. Wilking, M. Behr, (via phone), B. Sullivan    ALSO PRESENT:  M. Keene, Development Review Planner; P. O’Leary, M. Beaudin, B. Irish, M.  Lyons, D. Marshall, T. O’Leary, B. Currier, J. & S. Jewett, S. Dopp, L. Demarone, J. Ehrling, K.  Cubino, D. Penar, K. Forleo, L. & J. Nadeau, J. & B. Darling, B. Dousevicz, M. & B. Groves, J.  Arsem    1. Directions on emergency evacuation procedures from conference room:    Mr. Cota provided directions on emergency evacuation procedures.    2. Additions, deletions, or changes in order of agenda items:    No changes were made to the Agenda.    3. Comments and questions from the public not related to the Agenda:    A member of the public asked how decisions are made.  Mr. Wilking explained that the rules  (Land Development Regulations) are set by the Planning Commission, and the DRB has to follow  those rules.  Mr. Sullivan added that the DRB has judicial power; it cannot legislate.  Words such  as “shall” and “must” in the rules leave no room for discretion.      Mr. Cota noted that the DRB and Planning Commission do meet together and discuss issues  that may have arisen.  He stressed that the DRB cannot tell the Planning Commission what to  do.    4. Announcements:    Ms. Keene introduced Dalila Hall, the new Zoning Administrator.    5. Design Review Application #DR‐18‐08 of Town Square Association to obtain an Initial  Master Signage Permit (MSP) for one freestanding sign in green, black and white, 425  Dorset Street:    DEVELOPMENT REVIEW BOARD  18 SEPTEMBER 2018  PAGE 2    Ms. Lyons noted the existing sign was new in 1969, and they want to update it and move it  closer to the building.    No issues were raised by the Board or the public.    Mr. Wilking moved to close DR‐18‐08.  Mr. Sullivan seconded.  Motion passed 5‐0.    6. Design Review Application #DR‐18‐09 of Allard Square, LP, to obtain an initial Master  Signage Permit (MSP) for one wall mounted sign in silver, 146 Market Street:    Ms. Forleo said the sign will go below the sculpture and is made of the same material.  It will be  attached to the building’s elevator tower.  She showed a photo concept.    No issues were raised by the Board or the public.    Mr. Wilking moved to close DR‐18‐09.  Mr. Sullivan seconded.  Motion passed 5‐0.    7. Conditional Use Application #CU‐18‐10 of Marcel Beaudin to reconstruct an existing  timber retaining wall and add a handrail, 36 Brigham Road:    Mr. Beaudin explained that the wall was built to protect the foundation from the brook.  The  wall now needs to be repaired.  The plan is to put a sheet piles wall against the existing wall.  It  will not look much different.    Mr. Beaudin showed a concept of the east end with stairs and ramp leading to the Lake.  He  also showed a concept of the sheet piles and horizontal sheeting.    Ms. Keene noted that staff received the plan to help with erosion.  It has been sent to the city’s  arborist for comment.    Mr. Wilking moved to continue CU‐18‐10 to 2 October to provide time for review of the erosion  plan.  Mr. Sullivan seconded.  Motion passed 5‐0.    8. Final Plat Application #SD‐18‐27 of JAM Golf, LLC, for re‐approval of a subdivision of a  47.99 acre parcel developed with a golf course into eleven lots ranging in size from  0.37 acres to 45.03 acres, 182 Golf Course Road:    Mr. Marshall explained that they missed the deadline for filing legals and are back with the  same application.  A few things have been cleared up, and the character of the project is the  same.  DEVELOPMENT REVIEW BOARD  18 SEPTEMBER 2018  PAGE 3      Mr. Marshall referred to a letter from Mr. O’Leary regarding the proximity of the building  envelope to his home.  The developer has offered vegetative buffering and will continue to  work with Mr. O’Leary, including possible improvements on his property.  Mr. Marshall showed  a landscape plan and indicated vegetation to the retained.  He also showed a rock retaining wall  built by a previous developer.  Mr. O’Leary showed a picture of his property to members and  noted there used to be trees on the back of his property.  The retaining wall is 10 paces from his  deck and doesn’t allow for a buffer.  The only option is to do buffering on his property, which is  not his favorite option.  He felt the building envelope could be moved to allow a 20‐foot  setback at the southeast corner.    Ms. Keene noted the building envelope meets setback requirements, but the Board could ask  the developer to look at that again.  They also shouldn’t get too close to existing trees because  the trees could be damaged.  Mr. Marshall said they did look at changing the building envelope,  but the applicant wanted to keep it as it is.    Mr. O’Leary asked if it is under the DRB’s purview to ask the Planning Commission to work with  a developer.  Ms. Keene explained that every subdivision goes through a sketch plan,  preliminary and final approval phase.  Sketch is where “good,” “bad,” etc., takes place.  The  DRB did not have that opportunity in this case because it was a Supreme Court case and ruling.    Mr. Wilking noted that the Planning Commission and DRB have been asked by the city to have  more density in certain areas.     Mr. Behr noted this application pre‐dates him and that sketch plan review is when the DRB  would consider Mr. O’Leary’s issues.  The DRB was given the project as a Supreme Court  decision with very few “wiggle areas.”  Ms. Keene noted that the Supreme Court does allow the  Board to make a determination on compatibility with surrounding developed properties.  Ms.  Keene said the Supreme Court ruled that the application was complete and had to be heard as  submitted.  Mr. Sullivan added that decisions of the Vermont Supreme Court are perpetual  unless stated otherwise.    Mr. Wilking moved to close SD‐18‐27.  Mr. Sullivan seconded.  Motion passed 5‐0.    9. Final Plat Application #SD‐18‐28 of JJJ South Burlington, LLC, to amend a previously  approved 258 unit planned unit development in two phases.  The amendment is to Phase  II (Cider Mill II) of the project and consists of increasing the number of residential units by  33 units to 142units in Phase II and 291 overall, and conservation of 21.7 acres of land  through the purchase of 26 Transfer of Development Rights.  The 142 units are proposed  DEVELOPMENT REVIEW BOARD  18 SEPTEMBER 2018  PAGE 4    to consist of 66 single family lots, 46 units in 2‐family dwellings, and 30 single‐family units  on shared lots, 1580 Dorset Street & 1699 Hinesburg Road:    Mr. Sullivan recused himself as his law firm represents a party with a beneficial interest in this  development.    Mr. Cota noted he is a resident of Cider Mill.  Members and the applicant did not feel this was a  conflict of interest.    Mr. O’Leary said they are currently approved for 109 units and they will be increasing that to  142 units.  Changes since preliminary plat approval include a street plan and a little more  landscaping.    Staff comments were then reviewed as follows:      #1 – The applicant agreed to show that single and 2‐family lot coverages are met.      #2 – The applicant noted that with regard to lots #18‐34, the Board had agreed they  were fine.  They are 3‐6 feet above the existing grade to get flow to the pump station.  The  worst thing would be for someone to buy a house and have water draining toward the house.   They have set grading so the house grading is 3‐6 feet above the road.  Putting in 6 feet of fill is  not an economic thing for a developer to do.  Mr. Wilking and Mr. Cota said they had no issue  with this.  Ms. Keene said the pre‐construction grad is 3‐4 feet higher than the center line of the  road.  Mr. O’Leary said they can say the pre‐existing grade is no higher than 4 feet higher than  the center line of the road.  Ms. Keene said staff is concerned that homes will be different  heights on opposite sides of the road.  Mr. O’Leary explained why this won’t happen.  He  agreed to indicate the finished construction grade elevation on each lot.      #3 – The applicant was OK with the conservation easement.      #4 & #5 – The application was OK with water and wastewater permits and with  amending of same where needed.      #6 – The applicant has agreed to pay $1000 per unit toward the future extension of  Cider Mill Drive ($142,000 total).  Members felt this was a generous offer.      #7 – The applicant was OK with Aurora not being for emergency use only.      #8 – The applicant will update the open space management plan.    DEVELOPMENT REVIEW BOARD  18 SEPTEMBER 2018  PAGE 5      #9 – Mr. O’Leary said the City Council has to approve “no parking” signs if violators are  to be towed. Ms. Keene said the Council only approves retrofit signs and the Fire Chief wants  the signs now so City Council doesn’t have to approve them later.  The applicant will prepare a  plan and have the Fire Chief and Public Works approve it.      #10 – State permits will be amended.      #11 – The applicant agreed to maintain the stormwater treatment system until the City  takes it over.      #12 – The applicant agreed to the revised grading request.      #13 & 14 – The applicant agreed to both requests.      #15 – The applicant noted they will not be grading on the Nadeau parcel.  Any indication  to the contrary will be corrected.      #16 & #17 – The pre‐construction grade will be provided for each.      #18 – The plant list will be revised.      #19 – The applicant agreed to all the requirements with regard to wetland protection.      #20 & #21– The applicant will confirm all delineation features and will add demarcation  of side yards.    #22 – Ms. Keene noted that staff is still looking for those committee records.    #23 – Mr. O’Leary directed attention to sheet L‐6 which shows street trees on Nadeau  Crest.    #24 – Mr. O’Leary agreed to use whatever language staff wants.    #25 – The applicant noted there are 2 culverts that drain from the Nadeau parcel.   During a 25‐year storm, water ponds back onto the Nadeau parcel.  The applicant will look to  resolve that.      #26 – Regarding easements, Mr. O’Leary said he believes they’re already recorded. Ms.  Keene said staff can’t find these in the Land Records.  Mr. O’Leary agreed to get them recorded  if they were not already.  DEVELOPMENT REVIEW BOARD  18 SEPTEMBER 2018  PAGE 6        #27 – The applicant agreed to correlate lot numbers and addresses.    Public comment was then solicited as follows:    Ms. Jewett was concerned with drainage onto the Jewett property.  There also should be a  right‐of‐way onto their property.  Ms. Keene said the applicant will add the right‐of‐way.  Mr.  O’Leary noted there is a wetland between the two parcels.  Ms. Keene added that the project is  under state and local stormwater regulations and must meet existing flow rate at the property  line.      A resident was concerned with the increase in units over time.  Mr. Wilking noted the applicant  is filling in space that was allowed to be built.  The density was already approved.  The resident  also noted the increased cost of city services and wildlife issues that were previously raised.   Mr. Wilking noted that every one of the units pays taxes toward those services.  Mr. Cota noted  that when the road is built, there will not be guardrails to prevent wildlife crossings.    Ms. Demaroney asked about an additional traffic study that Justin Rabideau had mentioned  with regard to Cider Mill Drive.  Ms. Keene showed a memo regarding the extension of the  road.  She knew of no additional study being planned.  The Board confirmed that Ms.  Demaroney should continue to coordinate with Justin Rabideau for information on a traffic  study for the existing Cider Mill Drive.    Ms. Cubino was concerned with the delay in getting the extension of Cider Mill Drive built and  with the burden of traffic going onto neighborhood streets.  She felt that the anticipated  $700,000 cost was small relative to the total cost of the project, and encourages the Board to  require the road to be built sooner rather than later.    Mr. Darling didn’t feel that $142,000 was “a win” and waiting for the next developer would  result in the road being built at an unknown time.  He thinks the neighborhood in aggregate wants  to see the road to be built, and is concerned that the fees paid by the developer will not actually be used  by the road.    Ms. Dopp cited 2 100‐year storms south of Vermont in the past 2 years and recommended  “erring on the side of building more” protection.  She was concerned about the applicant  trivializing concerns about flooding.  She also questioned whether there is checking after  construction to see if there is compliance with all the requirements.    Ms. Penar supported putting money aside for Cider Mill Drive but was concerned with cut‐ through traffic and cited the need for bump‐outs on the existing segment.  She was also  DEVELOPMENT REVIEW BOARD  18 SEPTEMBER 2018  PAGE 7    concerned that the open space was mowed in summer just as things are budding and  recommends that mowing happen just before winter.    Mr. Groves did not want Cider Mill Road to be extended.  He did not feel it was intended to  mitigate Cider Mill II.  He cited the abundance of wildlife there.    Mr. Wilking then moved to continue SD‐18‐28 until 16 October.  Ms. Smith seconded.  Motion  passed 4‐0.    10. Minutes:    No minutes were available for review.    11. Other Business    No other business was presented.    As there was no further business to come before the Board, the meeting was adjourned by  common consent at 9:13 p.m.      These minutes were approved by the Board on _________________.