Site Report: ADOT&PF College Rd / Margaret Ave / Antoinette Ave Reconstruction Project
| Site Name: | ADOT&PF College Rd / Margaret Ave / Antoinette Ave Reconstruction Project |
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| Address: | College Road, Margaret Avenue, Antoinette Avenue Intersection, Fairbanks, AK 99701 |
| File Number: | 102.38.188 |
| Hazard ID: | 26369 |
| Status: | Informational |
| Staff: | Jim Fish, 9074512117 james.fish@alaska.gov |
| Latitude: | 64.859095 |
| Longitude: | -147.724600 |
| Horizontal Datum: | WGS84 |
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We make every effort to ensure the data presented here is accurate based on the best available information currently on file with DEC. It is therefore subject to change as new information becomes available. We recommend contacting the assigned project staff prior to making decisions based on this information.
Problems/Comments
In 2015, the Alaska Department of Transportation and Public Facilities (ADOT&PF) plans to improve the College Road/Antoinette Avenue/Margaret Avenue intersection. The road reconstruction project will involve widening the right-of-way (ROW) (presumably to the north on State-acquired properties along Margaret Avenue), and demolition of some existing buildings (specifically, a former veterinary clinic - previously Mt. McKinley Animal Hospital - and residences on Margaret Avenue), and removal of building foundations and underground structures (underground storage tanks, septic systems, and a buried freezer). A former dry cleaner (previously George's Laundromat and Dry Cleaning, an unconfirmed site, file no. 102.38.131) existed where Geraldo's Restaurant is currently located, and where releases of tetrachloroethylene (PCE) are suspected to have occurred (site access has not been granted to sample on the property). A wood stave sewer line runs along College Road, and may have served as a transport and secondary release mechanism. Chlorinated solvents (PCE, trichloroethylene (TCE), and cis-1,2,-dichloroethylene (cDCE)) have been detected down-gradient (and downstream of sewer line flow direction) in monitoring wells (MW-64 and MW-66, located on Antoinette Avenue and Margaret Avenue, respectively) associated with the former Bentley Tax Lot 201/203 solvent plume monitoring efforts (but major sources of PCE contamination are not associated with the former Bentley lots). PCE and TCE have consistently been above groundwater cleanup levels in MW-64 since 2006. Building demolitions, foundation removals, tank excavations, and ROW improvements associated with this project may encounter petroleum and/or chlorinated solvent contamination (potentially as RCRA waste) from the former dry cleaner.
Action Information
| Action Date | Action | Description | DEC Staff |
|---|---|---|---|
| 3/24/2015 | Site Added to Database | A new site has been added to the database | Mitzi Read |
| 4/3/2015 | Document, Report, or Work plan Review - other | Reviewed work plan for 3rd Street widening (which also contained College/Antoinette proposed work). Consulted with Region 10 EPA RCRA Program and recommended taking preliminary soil samples (minimum of three), near the SE corner of the project area, or the building being demo’d, and at 8-10 feet bgs). | Jim Fish |
| 4/23/2015 | Update or Other Action | Received preliminary soil sampling results; PCE detected at 0.0114J mg/kg (6-8 feet bgs), 0.00732J mg/kg (8-10 feet bgs) & 0.00742J mg/kg (10-12 feet bgs). Results indicate that screening and confirmation sampling may not be necessary at the site during construction; will confer with Region 10 EPA RCRA Program on appropriate soil dispositions as these particular levels. | Jim Fish |
| 4/24/2015 | Meeting or Teleconference Held | Meting with ADOT PM, Nortech, and EPA Region 10 RCRA (teleconference), and PERP staff. Results indicate traffic improvements are outside of RCRA contamination (if contained-in determination was to be established). However, water main installations will also occur along College Rd, in front of former dry cleaner; suggested additional sampling at depth of planned excavations. | Jim Fish |
| 5/8/2015 | Meeting or Teleconference Held | Met with ADOT PMs and NORTEC to discuss results of soil sampling in front of former dry cleaner. PCE found at 31 ug/kg at 4-5 feet bgs; 37 ug/kg at 6-7 feet bgs, and 12 ug/kg at 8-9 feet bgs. Results indicate concentrations may be greatest near sewer service connection (lateral with main). Screening, sampling and RCRA waste handling (under EPA Utility Memo) proposed for stretch of road from former dry cleaner to Antoinette & College. | Jim Fish |
| 5/28/2015 | Meeting or Teleconference Held | Preconstruction Meeting with ADOT&PF and its contractors (NORTECH, HC Contractors) | Jim Fish |
| 6/1/2015 | Meeting or Teleconference Held | Meeting with ADOT&PF and NORTECH to discuss soil boring results and soil relocation options/ extent of AOC | Jim Fish |
| 6/12/2015 | Meeting or Teleconference Held | Met with ADOT&PF and contractors to discuss latest soil borings results and potential to relocate contaminated soils under the road (and to treat those soils). | Jim Fish |
| 6/19/2015 | Meeting or Teleconference Held | Meeting with EPA Region 10 RCRA, ADOT&PF and its contractors for application of EPA Trenching Policy, AOC concept and Contained-In determination. It was discussed that an AOC is not really necessary, and that the trenching Policy can apply for the utility ROW, and a Contained-In Request will be sought for excess soil disposal. | Jim Fish |
| 6/30/2015 | Document, Report, or Work plan Review - other | Sent QAPP approval letter to ADOT and environmental contractor (NORTECH/TPECI) | Jim Fish |
| 7/2/2015 | Update or Other Action | Received EPA Contained-In Determination | Jim Fish |
| 7/8/2015 | Potentially Responsible Party/State Interest Letter | PRP/State Notice Letter and Information Request Letter sent to current property owners of 701 College Road. Cross-reference with Former George's Laundromat and Dry Cleaner site (102.38.131; Haz ID 25247). | Jim Fish |
| 9/11/2015 | Site Visit | Visit site with ADOT PM and consultant | Jim Fish |
| 1/19/2016 | Document, Report, or Work plan Review - other | Received Final Field Report, prepared by TPECI. | Jim Fish |
Contaminant Information
| Name | Level Description | Media | Comments |
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Control Type
| Type | Details |
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Requirements
| Description | Details |
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| Hazard ID | Site Name | File Number |
|---|---|---|
| 27833 | ADOT&PF College Road Right of Way Areawide | 100.38.305 |