Site Report: Semisopochnoi Island
| Site Name: | Semisopochnoi Island |
|---|---|
| Address: | Semisopochnoi Island, ~45 Miles NE of Amchitka, Amchitka, AK 99546 |
| File Number: | 2580.38.002 |
| Hazard ID: | 2621 |
| Status: | Cleanup Complete |
| Staff: | No Longer Assigned, 9074655229 dec.icunit@alaska.gov |
| Latitude: | 51.951389 |
| Longitude: | 179.600829 |
| Horizontal Datum: | NAD27 |
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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
Drums and building debris remain from WWII and Atomic Energy Commission activities on the island. One acre on the south coast of the island is affected by debris. This U.S. Army Weather and Aircraft Warning Station was established in March 1944. Quonset huts and other buildings were erected and subsequently abandoned. The Island was used by the Atomic Energy Commission between 1969-1973 to monitor underground nuclear testing on nearby Amchitka Island. The site classified as No Further Action by US Army Corps of Engineers in 1991. In 1989 the U.S. Fish and Wildlife informed the Corps of barrel dumps remaining on the island. The site is located in the Alaska Maritime National Wildlife Refuge. Last staff assigned was Halverson.
Action Information
| Action Date | Action | Description | DEC Staff |
|---|---|---|---|
| 8/16/1991 | Preliminary Assessment Approved | PA action added by Shannon and Wilson, Inc., on 2/19/97. Based on FUDS Site Summary dated 2/21/96, initial PA completed 8/16/91. | S&W-Miner |
| 8/4/1993 | Preliminary Assessment Approved | A second Preliminary Assessment was completed. | John Halverson |
| 8/30/1995 | Update or Other Action | DEC reviewed and commented on a draft Project Management Plan/Work Plan for the 1995 field investigation at Kiska, Little Kiska and Semisopochnoi Islands. | John Halverson |
| 9/30/1995 | Update or Other Action | (Old R:Base Action Code = SI - Site Investigation). SI action added by Shannon and Wilson, Inc., on 2/19/97. Based on FUDS Site Summary dated 2/21/96, SI for soil cleanup completed 9/30/95. Minimal soil contamination found. Some abandoned drums remain on the site. | S&W-Miner |
| 3/28/1996 | Update or Other Action | DEC received the final report, "1995 Site Investigation Semisopochnoi Island, Aleutian Islands, Alaska" prepared by Dames and Moore. The report documents field investigation work to identify FUDS program eligible contamination on the island. Work focussed on three areas of concern: a drum dump, a Quonset Hut Camp, and a potential ordnance and explosives contamination (no ordnance contamination had been reported, however, since nearby Kiska Island has ordnance contamination from WWII there was concern that this site may also). Mimimal petroleum contamination was found (~4 square foot area of suface soil sheen, staining around a 5 gallon grease container), along with dilapidated building remains and approximately 200 empty 55-gallon drums. No significant contamination was found nor was any sign of ordnance or explosives contamination. | John Halverson |
| 6/12/1996 | Update or Other Action | The Army Corps of Engineers submitted a final report on Cultural Resource Investigation at Kiska, Little Kiska, and Semisopochnoi, Aleutian Islands, Alaska. The report documents cultural resource work conducted concurrent with the remedial investigation work conducted by the Corps during 1995. | John Halverson |
| 11/20/1996 | Site Added to Database | Site added by Shannon and Wilson. | S&W-Miner |
| 7/1/1997 | Update or Other Action | EPA Region X sent a letter to the USFWS informing them the site was added to the Federal Agency Hazardous Waste Compliance Docket, based on a reported release of a hazardous substance under CERCLA. Recommended a Preliminary Assessment (PA) be completed within nine months so that a site inspection (SI) could be completed within 18 months, if needed. | John Halverson |
| 1/25/2001 | Site Ranked Using the AHRM | Initial ranking based on DB entries and DBA's knowledge of site area. | Former Staff |
| 8/22/2005 | Update or Other Action | The Corps of Engineers forwarded ADEC copies of email messaged from APIA and USFW AK Maritime Refuge with their concurrence on the proposed no further action recommendation. | John Halverson |
| 9/14/2005 | Site Closure Approved | DEC signed a site closure and Category II No Dept of Defense Action Indicated decision document. The Corps of Engineers signed the decision document on September 29, 2005. Sampling results from the site met method 2 soil cleanup levels or were determined to be within background levels or represented very localized, deminimus volumes, of contamination. | 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. |
There are no documents for this site report.
No associated sites were found.