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Site Report: ConocoPhillips West Sak 24

Site Name: ConocoPhillips West Sak 24
Address: Milne Point Access Road, 1 Mile North of Spine Road, Deadhorse, AK 99734
File Number: 300.38.260
Hazard ID: 4343
Status: Cleanup Complete - Institutional Controls
Staff: IC Unit, 9074655229 dec.icunit@alaska.gov
Latitude: 70.336744
Longitude: -149.409703
Horizontal Datum:NAD83

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

Former drill pad had diesel range organics up to 2,680 mg/kg during 1999-2000 sampling. Flare pit removed in 2006-2007.

Action Information

Action Date Action Description DEC Staff
1/23/2007 Site Added to Database Site added to the database. Mitzi Read
1/25/2007 Exposure Tracking Model Ranking Baseline ranking completed. Mitzi Read
7/18/2008 Update or Other Action Request for closure received from ConocoPhillips. The request includes data from the 1999 and 2000 investigations and indicates the pad will be used as a vehicle turnout and staging area. Bill O'Connell
7/18/2008 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed. Bill O'Connell
7/28/2008 Cleanup Complete Determination Issued The Alaska Department of Environmental Conservation, Contaminated Sites Program (ADEC) reviewed the environmental records associated with West Sak 24. 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 West Sak 24 can be closed subject to the conditions outlined in this document. The hazardous substance contamination has been adequately addressed and does not pose an unacceptable risk to human health or the environment. This site is included on the Existing (Contaminated) Sites Charter for the Development of the Alaska North Slope (Paragraph II.A.3; Exhibit D.2). Bill O'Connell
3/25/2009 Institutional Control Record Established Institutional Controls established and entered into the database. 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
8/1/2014 Institutional Control Update An IC reminder letter was issued to the responsible party on this date. Kristin Thompson
10/2/2014 Update or Other Action Date of email requesting ADEC approval of a temporary camp on the pad. Email response on 10/3/14 requesting that Respol notify ADEC if the man camp construction will involve any excavation or use of sumps to deal with accumulation of water on the pad. Also, if signs of contamination such as sheening on surface water are observed, ADEC should also be notified. Keather McLoone
10/6/2014 Institutional Control Update Current project manager chooses to retain management of the site at this time. Kristin Thompson
9/28/2016 Update or Other Action At this time, the project manager chooses to retain management of this site which has institutional controls. IC Unit
2/4/2021 Institutional Control Compliance Review IC compliance review started. A combined letter for all ConocoPhillips sites with ICs will be issued in early 2021 and land use will be verified. Evonne Reese
3/19/2024 Institutional Control Update DNR-SAIL added as affiliate (Office of Primary Responsibility). For DNR LAS information: ADL# 420777 Jennifer McGrath
5/31/2024 Institutional Control Compliance Review IC compliance review completed on this date. An IC reminder letter was e-mailed to the landowner. The next review will be in five years’ time. Gaige Robinson

Contaminant Information

Name Level Description Media Comments
DRO > Method 1 (Arctic only) Soil

Control Type

Type Details
Other Entered on 6/12/12 during an IC compliance review.

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.
When Contaminated Soil is Accessible, Remediation Should Occur Pad is used as a turnaround for large vehicles. COntamination will be addressed when the pad is decommissioned

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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