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Site Report: Hoonah RRS - EA 4 - PCB Soil Stockpile Area

Site Name: Hoonah RRS - EA 4 - PCB Soil Stockpile Area
Address: 1.25 Miles NE of Hoonah, Hoonah, AK 99829
File Number: 1510.38.001
Hazard ID: 25730
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 58.127563
Longitude: -135.432310
Horizontal Datum:WGS84

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

The Hoonah Radio Relay Station (RRS) is a Formerly Used Defense Site (FUDS); FUDS project number F10AK012203; EPA ID AKN001002287. The Hoonah RRS was a tropospheric station for the Ballistic Missile Early Warning System (BMEWS) and part of the White Alice Communication System (WACS). The facility served as a telecommunications relay link between WACS sites at Duncan Canal and Ocean Cape. Exposure area (EA) 4 is described in the decision document as: 500-Gal Gasoline UST Area, 7500-Gal Gasoline AST Area, and Stockpile Area. On 9/23/11 the Hoonah Radio Relay Station database entry was divided into four separate records. Original Hazard ID 1452 (Reckey 199211X119701) was renamed from Hoonah Radio Relay Station to Hoonah RRS - Main Cantonment, and additional database records were created for EA 4: PCB Soil Stockpile Area; EA 8: Septic Outfall; and EA 9: Debris Disposal Area.

Action Information

Action Date Action Description DEC Staff
7/1/1996 Update or Other Action Field Investigation Report Employee Past
3/1/1997 Update or Other Action Community Relations Plan Employee Past
3/1/1997 Risk Assessment Workplan Approved Work plan approved this date. Employee Past
3/1/1997 Update or Other Action Removal Action Alternatives Memo Employee Past
3/1/1997 Site Characterization Report Approved Remedial Investigation report approved this date. Employee Past
4/29/1999 Interim Removal Action Approved IRA approved this date. Anne Marie Palmieri
8/23/2002 Site Visit Site visit conducted with COA, Sealaska, and Huna Totem. Surface water samples were collected to determine if the inhalation and ingestion DRO cleanup levels would be protective of the migration to groundwater cleanup levels. Anne Marie Palmieri
1/15/2003 Cleanup Level(s) Approved Alternative cleanup levels for DRO approved this date. Anne Marie Palmieri
2/24/2003 Update or Other Action Draft Feasibility Study reviewed - no comments other than approval of ACL. Anne Marie Palmieri
9/11/2003 Update or Other Action Annual landfill inspection conducted by the COE. Anne Marie Palmieri
12/12/2003 CERCLA Proposed Plan Proposed plan for excavation and off-site disposal approved. Anne Marie Palmieri
7/20/2006 Update or Other Action Staff reviewed the Technical Memo prepared by Bristol Environmental for delineating the areas of PCB and POL contamination at the stie. This characterization will occur within the next 2 weeks. Excavation and off-site disposal will occur in summer 2007. Anne Marie Palmieri
8/18/2006 Update or Other Action Decision Document closing out the CON/HTRW project signed by John Halverson. HTRW project remains open pending resolution of: 1) PCB and petroleum contamination at main camp, and 2) contamination at Debris Disposal Area. Anne Marie Palmieri
2/20/2007 Update or Other Action Staff reviewed and responded to the Tech Memo documenting 2006 fieldwork. Anne Marie Palmieri
5/15/2007 Meeting or Teleconference Held Public meeting in Hoonah regarding the proposed 2007 cleanup. Anne Marie Palmieri
7/18/2007 Cleanup Plan Approved Staff approved a cleanup plan for the 2007 removal of PCB contaminated soil and DRO contaminated soil. Field work is scheduled to begin at the end of July and continue through August. Soil will be excavated and sent off-site for treatment by thermal incineration and disposed of in Utah. Anne Marie Palmieri
4/29/2008 Interim Removal Action Approved Removal Action report approved this date. Additional PCB contaminated soil was found at the site and not removed in 2007. The USACE plans to remove the remaining contamination in 2008. Anne Marie Palmieri
6/12/2008 Update or Other Action Comments on the draft work plan provided to USACE and Bristol this date. Fieldwork is scheduled to begin mid-July. Anne Marie Palmieri
7/11/2008 Meeting or Teleconference Held Public meeting held in Hoonah. Anne Marie Palmieri
7/11/2008 Site Visit Site visit. Anne Marie Palmieri
2/26/2009 Interim Removal Action Approved IRA Report (dated 1/09) approved this date. PCB contamination still present at EA 4 and EA 8 at levels greater than 1 mg/kg. Anne Marie Palmieri
11/5/2009 Meeting or Teleconference Held First PRP meeting held this date to address remaining contamination at EA4, EA8, and the Debris Disposal Area. Anne Marie Palmieri
5/17/2011 Meeting or Teleconference Held Meeting with PRPs to discuss site visit. Anne Marie Palmieri
6/16/2011 Update or Other Action Site visit conducted by SLR. Anne Marie Palmieri
8/24/2011 Meeting or Teleconference Held PRP meeting to discuss work plan components. Anne Marie Palmieri
9/14/2011 Site Characterization Workplan Approved Work plan approved for characterizing the remaining contamination at EA4 and the Debris Disposal Area. SLR will be on-site in late September. Anne Marie Palmieri
9/23/2011 Update or Other Action On 9/23/11 the Hoonah Radio Relay Station database entry was divided into four separate records. Original Hazard ID 1452 (Reckey 199211X119701) was renamed from Hoonah Radio Relay Station to Hoonah RRS - Main Cantonment, and additional database records were created for EA 4: PCB Soil Stockpile Area; EA 8: Septic Outfall; and EA 9: Debris Disposal Area. Mitzi Read
9/23/2011 Site Added to Database A new site has been added to the database Mitzi Read
3/9/2012 Site Characterization Report Approved Field Investigation and Assessment Report (2-12) approved this date. Anne Marie Palmieri
9/16/2013 Cleanup Plan Approved Cleanup plan approved this date. Additional characterization will occur in Sept. 2013 and cleanup in summer 2014. Anne Marie Palmieri
11/26/2013 Document, Report, or Work plan Review - other Staff reviewed the summary report from the 2013 field work. Anne Marie Palmieri
6/5/2014 Update or Other Action AT&T's consultant, SLR, notified DEC that field work is scheduled to begin on July 7, 2014. Anne Marie Palmieri
6/26/2015 Final Cleanup Report Reviewed The final cleanup report was reviewed and approved this date. All PCB contamination greater than 1 mg/kg was excavated and disposed of appropriately. Anne Marie Palmieri
6/26/2015 Cleanup Complete Determination Issued A cleanup complete determination letter was issued on this date. Anne Marie Palmieri

Contaminant Information

Name Level Description Media Comments
Aroclor 1260 < Method 2 Most Stringent Soil

Control Type

Type Details
No ICs Required

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.
Movement or use of contaminated material (including on site) in a manner that results in a violation of the water quality standards is prohibited (18 AAC 70)

There are no documents for this site report.

No associated sites were found.

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State of Alaska Department of Environmental Conservation

P.O. Box 111800
Juneau, AK 99811-1800
Phone: 907-465-5066
Fax: 907-465-5245
TDD: 800-770-8973
Physical Location: 410 Willoughby