July 8, 2016 Mr. Michael McAllister Vermont Agency of Transportation 133 State Street/Administrative Building Montpelier, Vermont 05633-5110

RE: Underground Storage Tank Removal and Site Assessment Report

VTrans Maintenance Garage Randolph, Vermont LAG Project #16069 Facility ID #262

Dear Mr. McAllister: Lincoln Applied Geology, Inc. (LAG) is pleased to provide the Underground Storage Tank Removal and Site Assessment Report for the removal of one 6,000-gallon diesel fuel underground storage tank (UST) at the above referenced facility. If you have any questions or comments regarding this report, please do not hesitate to contact me. Sincerely, Lincoln Applied Geology, Inc. Devon Neary Staff Geologist DN/JR:mh Enclosure cc: Sue Thayer - VTDEC

F:\CLIENTS\2016\16069\Report\VTrans Randolph UST Assessment.docx

Underground Storage Tank Removal and Site Assessment Report

VTrans Maintenance Garage 100 Bettis Road

Randolph, Vermont

LAG Project #16069 Facility ID #262

July 8, 2016

Prepared for:

Mr. Michael McAllister Hazardous Materials and Waste Coordinator

Vermont Agency of Transportation 133 State Street/Administrative Building

Montpelier, Vermont 05633-5110

Prepared by:

Lincoln Applied Geology, Inc. 163 Revell Drive

Lincoln, Vermont 05443

Devon Neary Staff Geologist

dneary@lagvt.com

TABLE OF CONTENTS Section Page 1.0  INTRODUCTION AND BACKGROUND INFORMATION ...................................... 1 2.0  UST CLOSURE AND SITE ASSESSMENT .......................................................... 1 

2.1  Tank Removal and Cleaning .............................................................................. 1 2.2  Soil and Groundwater Evaluation ....................................................................... 2 2.3  Sensitive Receptor Survey ................................................................................. 3 

3.0  CONCLUSIONS .................................................................................................... 3  Figures Figure 1 Site Location Map Figure 2 Site Sketch Appendix Appendix A Photographs Appendix B UST Closure Form

UST Removal and Site Assessment Report July 8, 2016 VTrans Maintenance Garage, Randolph, Vermont

Lincoln Applied Geology, Inc. 1

1.0 INTRODUCTION AND BACKGROUND INFORMATION This Underground Storage Tank Removal and Site Assessment Report was completed by Lincoln Applied Geology, Inc. (LAG) for the Vermont Agency of Transportation (VTrans), owner of the underground storage tank (UST) located at 100 Bettis Road, in Randolph, Vermont (Figure 1). One 6,000-gallon diesel fuel underground storage tank (UST #1) was closed in accordance with Vermont Department of Environmental Conservation (VTDEC) UST closure regulations on June 22, 2016. UST #1 was reported to be 27 years old (installed in 1989). No USTs currently exist at the Site. A 500-gallon waste oil UST was previously removed from the Site. 2.0 UST CLOSURE AND SITE ASSESSMENT 2.1 Tank Removal and Cleaning

On June 22, 2016 LAG performed a Site Assessment associated with the removal of one 6,000-gallon diesel fuel UST previously described in Section 1.0 above. Rounds Construction of Moretown, Vermont conducted the excavation and removal of the UST. LAG conducted the purging, cutting, and cleaning of the UST. UST #1 was a double wall steel tank. After inspection, the UST appeared to be in good condition with no evidence of pitting or rust. The associated UST piping was in good condition and removed along with the dispenser. The cleaned UST was transported by Rounds Construction to R Brown & Sons Inc. for recycling. Photographs are included in Appendix A.

Residual fuel, tank bottoms, and absorbent materials resulting from the

UST cleaning process were containerized in three 55 gallon drums and were staged on-site. Waste shipment and disposal will be performed by Environmental Products and Services and has been arranged by LAG.

2.2 Soil and Groundwater Evaluation

The excavation was approximately 25 feet long, 15 feet wide, and 10 feet

deep. The tank cavity was visually examined for staining, discoloration, petroleum odors, and groundwater. No petroleum staining, discoloration, or odors were identified around or beneath the UST or the dispenser island. Groundwater was encountered at 10 feet below grade (bg). Bedrock was not encountered during excavation activities.

During the UST assessment, soils were screened with a properly

calibrated photoionization detector (PID) for the presence of petroleum related volatile organic compounds (VOCs). PID readings were non-detect (0.0 ppm) in soil samples collected from the sides and beneath the UST at depths ranging from 4 to 10 feet bgs. PID readings were also non-detect beneath the dispenser island. The Site Sketch presented as Figure 2 displays the soil sampling

UST Removal and Site Assessment Report July 8, 2016 VTrans Maintenance Garage, Randolph, Vermont

Lincoln Applied Geology, Inc. 2

locations for PID screening. Soils beneath and directly around the UST consisted of brown well-sorted fine sand from grade to 10 feet bg. Clean native fill was provided on site by VTrans. Approximately 150 cubic yards of fill was backfilled into the UST grave.

2.3 Sensitive Receptor Survey

During the UST removal activities LAG conducted a survey of the Site to determine possible sensitive receptor impacts. Sensitive receptors would include soil and groundwater. Since no contamination was identified with a PID during the Site Assessment, there is no threat to sensitive receptors from the former UST located at the property.

3.0 CONCLUSIONS

The 6000-gallon diesel fuel UST and its associated piping was found to be in good condition. The UST and the associated piping and dispenser were properly removed, cleaned and recycled. Approximately 140 gallons of residual fuel, tank bottoms, and absorbent materials resulted from the UST cleaning process. The UST was transported for recycling to R Brown & Sons Inc. by Rounds Construction. PID readings were not encountered throughout the tank grave during the Site Assessment. There was no visual or olfactory evidence of contamination around or beneath the UST. No additional investigation regarding the closure of the 6,000-gallon diesel fuel UST is warranted. There are no known USTs present at the Site. A 500 gallon waste oil UST was previously removed. F:\CLIENTS\2016\16069\Report\VTrans Randolph UST Assessment.docx

Figures

Appendix

Underground Storage Tank and Piping Closure Form Page 1 of 3

Vermont Agency of Natural Resources, Department of Environmental Conservation Waste Management and Prevention Division

http://www.anr.state.vt.us/dec/wastediv/index.htm _________________________________________________________________________________________________ Important: All closures must be scheduled with the Underground Storage Tank Program at least 5 business days

prior to the commencement of closure. Please call 802-828-1138

Section A. Facility/Ownership Information Facility ID #: _______________________ SMS # (if applicable) : _________________________

To find if a facility has an ID # and/or SMS# please use WMID: http://www.anr.state.vt.us/wmid/. If there is no Facility ID then please contact the UST Program 802-828-1138. Facility Name: ____________________________________________________ # of employee’s _________ Street Address: _____________________________________ City/Town: ___________________________ Type of Facility: ____Commercial/industrial; ____ Retail ____Residential; ____ Service Station; ____ Institutional;

____Farm; ____ Federal; ____ Bulk; ____ Fish Hatchery

Owner of UST(s) to be closed: _________________________ Owner Telephone: _____________________ Owner mailing address: ___________________________________________________________________ Owner Email: ___________________________________________________________________________ Contact (if different from owner):__________________________Contact Telephone: __________________ Contact Email: _________________________________________________ Landowner (if different than tank owner):_____________________________________________________________

Section B. Closure Information What components will be closed/removed? UST system____; Tanks only_____; Piping only ____ . Reason for closure/removal? Liability: ___; Replacement: _____; Abandoned: _____; Suspected leak: _____.

UST #

Product

Tank Age

Size (gal)

Tank condition (excellent, good, fair, poor)

Piping Age

Piping condition (excellent, good, fair, poor)

Proximity (ft.) of tanks to buildings / structures

Have any tanks been closed in-place? UST #______ Authorized by: ________________ Date: _______ Type of material used to closed tank in place (Water is not allowed):______________________________________ Disposal/destruction of removed UST(s) Location: __________________ Method: _________ Date: _______ Amount (gal) and type of waste generated from USTs: ____________________________________________ (Tank contents are hazardous wastes and must be handled as such unless recovered as usable product; sludge and solids are not usable/recyclable products and must be handled as hazardous waste. Please contact the Hazardous Waste program with any questions 802-828-1138). Tank cleaning company (must be trained in confined space entry): __________________________________

UST and Piping Closure Form Page 2 of 3 Facility ID #_______________________

Certified hazardous waste hauler: _________________________________________________________ Generator ID #: ________________________________________________________________________

Section C. Initial Site Characterization (Work in this section must be completed by a professional environmental

consultant or hydro geologist with experience in environmental sampling for the presence of hazardous materials. A full report from the consultant must accompany this form.

Excavation Information. Some removals require more than one excavation. Identify as A, B, C, etc.

Tank #, excavation

A,B,C

Depth

(ft.)

Excavation size

(sq. ft.)

Peak PID reading

Depth of Peak (ft.)

Avg. PID reading

Bedrock

depth (ft.)

Groundwater?(Y/N)

and depth

Soil type

Locate all readings and samples on a site diagram and submit with this form and site assessment Dig Safe # ________________________ PID Make: ____________________ Model: ____________ Calibration (date/time/gas) __________________ Have any soils been polyencapsulated on site? _____NO; ____YES # cubic yds: _____ PID range > zero: ________ppm to_____________ppm Have any soils been transported off site? _____NO; _____YES # cubic yds: _________ Location transported to: __________________________________ Approved by: _______________________ Amount of soil backfilled (cubic yds.): ___________________ PID range > zero: ______ppm to_________ppm Have limits of contamination been defined? ____NO; ____YES. Other on-site contamination? ____NO; ____YES Is contamination in contact with building foundation? _____No; _____Yes, If Yes, PID reading; ________ppm Number of soil samples collected for laboratory analysis: __________ Results due date: ______________ Free Phase product encountered? _____NO; _____YES Thickness: ____________ Sheen: ________________

Groundwater encountered? _____NO; _____YES Depth: ______

Are there existing monitoring wells on-site? _____NO; _____YES How many? ______ (Locate on site diagram) Have new monitoring wells been installed? _____NO; _____YES (Locate on site diagram) Samples obtained from monitoring wells for lab analysis? _____NO; _____YES Results due date: _________

Is there a water supply well on site? ____NO; _____YES Type: ____Shallow; _____Rock; _____Spring Number of public water supply wells located within 0.5-mile radius: _____ Min. distance (ft); _____

Receptors impacted: ____Soil; _____Indoor Air; ____ Ambient Air; ____Groundwater; ____Surface Water; ____Water Supply

UST and Piping Closure Form Page 3 of 3 Facility ID________________________ Any release must be reported immediately by calling 802-828-1138 (if after hours please call 800-641-5005)

Name of WMPD staff that the release was reported to: ______________________ Date: ___________ Spill # (issued by WMPD staff when release is reported):_______________________________________

Section D: Tanks and Piping Remaining or to be Installed. Regardless of size or use, list all USTs and ASTs currently at facility or to be installed at facility. For "Tank Status," indicate "abandoned," "in use," or "to be installed*." This includes any UST/ASTs used to store fuel for heat at a public building (propane tanks do not need to be listed) Tank #

UST or AST?

Product

Size (gallons)

Tank Use (heat, backup

generator, etc)

Tank age

Tank Status

Piping age

Piping Status

*Note: Some installations may require permits and advance notice to the UST Program. Please call the UST Program with any questions 802-828-1138

Section E. Statements of UST closure compliance

I, _____________________________________________, as the environmental consultant on-site, I hereby (Please print name)

certify that the site assessment requirements were performed in accordance with DEC policy and regulations, and that information which I have provided on this form is true and correct to the best of my knowledge. Signature: __________________________________________________________________________ Company: _________________________________ Telephone#:_____________________________ Date of Assessment: ____________________________ Date of Closure: _________________________ Return this form along with complete narrative report and photographs to the Department of Environmental Conservation (DEC), Underground Storage Tank Program within 10 days of closure. Do not delay submission of the site assessment if waiting for lab analysis results. Labs can be emailed separately. An electronic version of the report from an environmental consultant covering all aspects of closure and site

assessment, complete with photographs and any other relevant data, must accompany this form and be emailed to

WMPD or uploaded on the WMPD FTP server. Please DO NOT SUBMIT PAPER COPIES.

All procedures must be conducted by qualified personnel, to include training required by 29 CFR 1910.120.

Documentation of all methods and materials used must be adequate. All work must be performed in compliance with

DEC policy "UST Closure and Site Assessment Requirements" as well as all applicable statutes, regulations, and

additional policies. The DEC may reject inadequate closure forms and reports.