Site Report: Ohlson Mt. DERA Site
| Site Name: | Ohlson Mt. DERA Site |
|---|---|
| Address: | Mile 4.5 Ohlson Mt. Road, Homer, AK 99603 |
| File Number: | 2314.38.020 |
| Hazard ID: | 480 |
| Status: | Cleanup Complete |
| Staff: | No Longer Assigned, 9074655229 dec.icunit@alaska.gov |
| Latitude: | 59.713889 |
| Longitude: | -151.534722 |
| Horizontal Datum: | NAD83 |
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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
Cleanup of site authorized under DERA planned. PCB spill cleaned up 1985. Per EPA report 9/14/87 10 ppm polychlorinated biphenyls found near base of storage vans don't pose immediate health threat. Extent of contaminated soils remaining unknown; 65 drums contaminated materials removed 1985. No further action required. Last correspondence listed on 9/23/88 in CERCLA (Comprehensive Environmental Response, Compensation and Liability) files. RCRA(Resource Conservation and Recovery Act) EPA ID#AK3960090139 Hazardous waste activity:generator 1. Solid waste permit issued last expires 12/31/90. Site cleanup plan to be sent to COE from Anderson Excavating and Wrecking with copy to be sent to ADEC-KDO. CERCLA AKD980979215 Former site manager Lockwood. Last staff assigned was Twidwell.
Action Information
| Action Date | Action | Description | DEC Staff |
|---|---|---|---|
| 9/14/1987 | Preliminary Assessment Approved | Transformer oil with PCBs found at site. 66 drums of contaminated equipment, soil, and investigation derived waste removed from site. Extent of soil contamination remaining unknown. Migration from site isn't expected to be significant. | Former Staff |
| 9/23/1988 | Update or Other Action | (Old R:Base Action Code = NFA - No Further Action Required (CERCLA)). Based on Ecology and Environment assessment and other pertinent information EPA finds it appropriate to defer any further action beyond the removal completed in 1985 to state authority for further consideration. | Former Staff |
| 4/22/1990 | Site Added to Database | Polychlorinated biphenyls. | Former Staff |
| 4/6/1992 | Site Closure Approved | This site is closed out due to the contaminated soils excavated and remediated. In the fall of 1991, the contaminated soils were removed from the Ohlson Mountain site and transported by truck to Alaska Environmental Specialists, Inc. The contaminated soils were remediated by incorporating the material in a cold asphalt process and paved a private airport runway at Nikiski, Alaska. The Army Corps of Engineers took verification samples for site closure. The sample results were received by the Department on April 6, 1992. The soil samples results were all within the Department's cleanup levels. | Former Staff |
| 12/9/1992 | Site Ranked Using the AHRM | Insufficient comments provided to allow proper audit. | Former Staff |
| 2/17/1994 | Update or Other Action | (Old R:Base Action Code = RAPR - Remedial Action Plan Review (CS)). Conditional approval was provided for sealing asphalt made from contaminated soils originating from this site. | Former Staff |
| 11/2/2001 | Site Number Identifier Changed | After discussion with Halverson, changed the Workplan from 09 to X9 to reflect DoD oversight. | Former Staff |
| 4/5/2004 | Update or Other Action | File number assigned and entered into the Fileroom DB and CS DB. | Alyce Hughey |
| 9/19/2005 | GIS Position Updated | Using the Location and Vicinity Maps in the file, in conjunction with TopoZone Pro and the KPB Parcel Lookup, entered the coordinates for this site. Metadata includes No Topo Basemap, TopoZone Pro Street Maps, Black and White Aerial Photo, on a Medium Size Map, View Scale 1:24,000, Coordinate Datum, NAD83. High degree of confidence in accuracy of location. | Alyce Hughey |
| 6/30/2009 | Update or Other Action | The Corps of Engineers submitted a Site Closure Decision Document to DEC for concurrence to document that the prior site characterization and cleanup work was done in accordance with cleanup requirements in place at the time the work was done. DEC signed the decision document, which includes a reopener clause in the event new information becomes available and indicates the site may pose an unacceptable risk. | John Halverson |
Contaminant Information
| Name | Level Description | Media | Comments |
|---|---|---|---|
| For more information about this site, contact DEC at (907) 465-5390. |
Control Type
| Type | Details |
|---|---|
| No ICs Required |
Requirements
| Description | Details |
|---|---|
| Advance approval required to transport soil or groundwater off-site. |
No associated sites were found.