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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

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 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
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
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.

Missing Location Data

Because the GIS location data for this site has not been entered, we cannot direct you to its position on the map. Click "Continue" to proceed to the Contaminated Sites Web Map or "Close" to return to the site report.
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