Site Report: NSB Point Hope Tuttu Street Trench
| Site Name: | NSB Point Hope Tuttu Street Trench |
|---|---|
| Address: | Tuttu Street, Point Hope, AK 99766 |
| File Number: | 420.38.006 |
| Hazard ID: | 3074 |
| Status: | Cleanup Complete - Institutional Controls |
| Staff: | IC Unit, 9074655229 dec.icunit@alaska.gov |
| Latitude: | 68.346850 |
| Longitude: | -166.740900 |
| 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
Diesel contaminated soil was discovered during excavation for a water and sewer project. Contamination resulted from a diesel pump leak. North Slope Borough secured the site so that the residents of Point Hope will not be exposed to contaminants while a cleanup plan is developed. Lots 2 and 9 of Townsite Block 8.
Action Information
| Action Date | Action | Description | DEC Staff |
|---|---|---|---|
| 11/25/1998 | Update or Other Action | North Slope Borough (NSB) OSEA Manager (Don Thornburgh) informed ADEC in a letter that a hydrocarbon-proof sleeve will be installed around the water/sewer line to protect the pipe from degrading from contact with contaminated soil. The trench will be backfilled after the sleeve is installed. NSB will try to secure funding for cleanup. | Shah Alam |
| 12/7/1998 | Update or Other Action | Jackie Koonuk, EPA Facilitator of Native Village of Point Hope informed Jean Gamache of USEPA of contamination. | Shah Alam |
| 9/20/1999 | Site Added to Database | Diesel contamination. | Former Staff |
| 10/13/1999 | Update or Other Action | Staff wrote North Slope Borough to submit a site characterization work plan. The letter also discussed cost recovery for this site. | Shah Alam |
| 2/7/2005 | GIS Position Updated | Site was located using maps included in the file and matched to a rectified air photo. Georeferencing of air photo suspect due to poor quality of base data, which reflected by the accuracy value. | Torsten Ernst |
| 10/24/2007 | Meeting or Teleconference Held | Meeting today with NSB and their consultant to discuss current site status. | Bill O'Connell |
| 2/28/2008 | Exposure Tracking Model Ranking | Initial ranking with ETM completed. | Pam Clemens |
| 5/6/2008 | Update or Other Action | Meeting with NSB and their consultant. | Bill O'Connell |
| 5/23/2008 | Institutional Control Record Established | There is contamination remaining above established cleanup levels at the Point Hope Tuttu Street Trench, but ADEC has determined there is no unacceptable risk to human health or the environment, and this site will be conditionally closed. This decision is subject to the following conditions: 1. A “Notice of Residual Contamination” will be recorded on the ADEC database to document residual contamination remaining on site above the most stringent ADEC cleanup levels. 2. In accordance with 18 AAC 75.370(b) any proposal to transport soil off-site requires ADEC approval. 3. Soil containing residual contamination may not be placed in surface water or other environmentally sensitive areas. | Bill O'Connell |
| 5/23/2008 | Conditional Closure Approved | The Alaska Department of Environmental Conservation, Contaminated Sites Program (ADEC) reviewed the environmental records associated with the Point Hope Tuttu Street Trench. This site had been contaminated by the release of a hazardous substance; however, based on the information provided to date, ADEC has determined that no further remedial action is required, and that the Point Hope Tuttu Street Trench can be closed subject to the conditions outlined in the Record of Decision. The hazardous substance contamination has been adequately addressed and does not pose an unacceptable risk to human health or the environment. | Bill O'Connell |
| 6/12/2012 | Institutional Control Compliance Review | An IC review was conducted on this site and the staff assigned was changed from Bill O'Connell to IC Unit. | Evonne Reese |
| 8/14/2014 | Update or Other Action | Staff name changed from IC Unit to McLoone. | Evonne Reese |
| 10/21/2016 | Institutional Control Compliance Review | Staff changed from Joshua Barsis to IC Unit. IC compliance review conducted. IC reminder letter issued. Reminder system set to follow-up every five years. | Kristin Thompson |
| 8/3/2023 | Institutional Control Compliance Review | Compliance review conducted and an IC reminder letter was issued to the landowner. The next review will be due in five years. | Evonne Reese |
Contaminant Information
| Name | Level Description | Media | Comments |
|---|---|---|---|
| DRO | > Method 1 (Arctic only) | Soil |
Control Type
| Type | Details |
|---|---|
| CS Database Notation And Letter To Landowner/RP |
Requirements
| Description | Details |
|---|---|
| Advance approval required to transport soil or groundwater off-site. | Standard condition. |
| 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) | Standard condition. |
No associated sites were found.