Site Report: Alyeska Prospect Creek Camp
| Site Name: | Alyeska Prospect Creek Camp |
|---|---|
| Address: | Mile 135.7 Dalton Highway, 277 Mi. S. of Deadhorse, Coldfoot, AK 99701 |
| File Number: | 330.38.048 |
| Hazard ID: | 16 |
| Status: | Cleanup Complete |
| Staff: | IC Unit, 9074655229 dec.icunit@alaska.gov |
| Latitude: | 66.794389 |
| Longitude: | -150.724400 |
| 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
Multiple contaminants of soil and GW exist from historic releases during operation of a pipeline construction camp. Fresh water and wetlands present. TAPS Alignment: AS92; MP275. Day use/picnic area. Recreational and subsistence hunting, fishing and food gathering activities occur throughout the area. Jim River is an anadromous stream containing sensitive fish resources. Prospect Creek is considered critical habitat and sensitive all year.
Action Information
| Action Date | Action | Description | DEC Staff |
|---|---|---|---|
| 6/30/1998 | Site Ranked Using the AHRM | Initial ranking. | Donald Seagren |
| 7/1/1998 | Site Added to Database | Site added by staff. Multiple contaminants. | Donald Seagren |
| 7/9/1998 | Site Ranked Using the AHRM | Site reranked by staff. Quantity Value changed from 3 to 4. The total spill was 47,500 gallons. | Donald Seagren |
| 1/24/2000 | Update or Other Action | Reviewed 1999 Surface and GW Monitoring Report. | Donald Seagren |
| 11/2/2000 | Record of Decision | Waiting for 2000 GW monitoring report for final site closure. | Donald Seagren |
| 11/3/2000 | Update or Other Action | Sent NFA letter along with signed ROD to Alyeska. Site closure awaiting review and approval of 2000 GW monitoring report. | Donald Seagren |
| 1/25/2001 | Institutional Control Record Established | Institutional Controls Established. | Donald Seagren |
| 1/25/2001 | Long Term Monitoring Established | Long term monitoring established on the surface water and the suprapermafrost groundwater for the site. | Deborah Williams |
| 1/25/2001 | Conditional Closure Approved | Files transferred to Deb Williams ADEC Fairbanks. | Donald Seagren |
| 1/25/2001 | Update or Other Action | 2000 Surface water and Groundwater Monitoring report reviewed and approved. | Donald Seagren |
| 8/15/2001 | Cleanup Plan Approved | Risk-based remedial action workplan approved for ground and surface water monitoring. | Renee Evans |
| 4/8/2002 | Long Term Monitoring Complete | Long term monitoring completed for this site. Water samples taken from the surface water and suprapermafost groundwater indicated stable or decreasing contaminant levels. | Deborah Williams |
| 3/14/2008 | Update or Other Action | Received Trans Alaska Pipeline System: 2007 Monitoring Well Decommissioning Report. Each of the seven monitoring wells installed at this site were successfully located and decommissioned. | Keather McLoone |
| 12/1/2011 | Update or Other Action | The current project manager chose to retain management of this site with the Cleanup Complete Determination that has Institutional Controls. | Kristin Thompson |
| 11/10/2013 | Update or Other Action | Staff changed from Linda Nuechterlein to IC Unit. | Kristin Thompson |
| 11/19/2013 | Institutional Control Compliance Review | IC review conducted. It was determined that ICs can be removed from this site due to the age of the site (closed in 2001), groundwater monitoring had shown that contaminant concentrations were below Table C, there was only one soil sample that was above the migration to groundwater cleanup level for DRO, and the low risk of exposure to the remaining contamination. | Evonne Reese |
| 11/19/2013 | Institutional Control Record Removed | The conditions at this site meet the 2009 closure policy, therefore ICs can be removed. The information included in the 2001 conditional closure decision document is still applicable along with the default requirement of no offsite transport of soil or groundwater without prior approval from ADEC. In accordance with 18 AAC 75.380(d)(2), ADEC may require additional site assessment, monitoring, remediation, and/or other necessary actions at this facility should new information become available that indicates contamination at this site may pose a threat to human health or the environment. | Evonne Reese |
Contaminant Information
| Name | Level Description | Media | Comments |
|---|---|---|---|
| DRO | Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation | Soil |
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.