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Site Report: Camco/Schlumberger Lease Tract 21

Site Name: Camco/Schlumberger Lease Tract 21
Address: South Side of Spine Road, ADNR Lease Tract 21, Deadhorse, AK 99734
File Number: 300.38.019
Hazard ID: 886
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 70.220100
Longitude: -148.431300
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

Impacted tundra areas believed to be from observed spills. Potential contaminants are petroleum products, solvents, cleaning agents, heavy metals, unidentified organic/inorganic chemicals. Surface waters may be threatened. Quantities released, dates released, extent of contamination unknown. Camco spilled approximately 750 gallons of diesel heating fuel to pad. All contaminated gravel were excavated during summer 1992. Contamination above cleanup levels beneath building. Patented state land. State ID # AK 90100801. Remediation (gravel washing) has begun, but due to weather it should be completed by Fall 1993. Cross reference file # 300.02.080.

Action Information

Action Date Action Description DEC Staff
1/1/1990 Site Added to Database Multiple contaminants and multiple spills. Former Staff
8/1/1992 Update or Other Action (Old R:Base Action Code = RARR - Remedial Action Report Review (CS)). 8,000 cubic yards of petroleum and lead contaminated soils were washed by Worldwide Remediation. Approximately 1200 cubic yards remain. Cathy Girard
8/31/1994 Update or Other Action (Old R:Base Action Code = RARR - Remedial Action Report Review (CS)). 2,295 tons of petroleum contaminated soils were remediated by AIC in the Thermal Remediation Plant between May 28 and June 10, 1994. A certificate of destruction was received 8/31/94 with confirmation sampling. All stockpiled soils have been addressed. No department follow-up on the gravels that were soil washed. Site Closure Approved action this date by Scott Rose rescinded 5/15/03 after file review. Soil stockpile and other issues remain. Scott Rose
8/31/1994 Update or Other Action Site Closure Approved action this date by Scott Rose rescinded 5/15/03 after file review. Soil stockpile and other issues remain. Jim Frechione
1/6/1995 Site Number Identifier Changed Old region = 40. Scott Rose
4/21/1998 Site Ranked Using the AHRM Ranking action added now because it was not added when the site was originally ranked. Bill Petrik
5/15/2003 Site Number Identifier Changed Combined reckey 1991730936401, "Camco, Inc." site into this site. Multiple spills have occurred at this site and should be addressed as a single facility effort. Jim Frechione
8/28/2006 Update or Other Action Site transferred from Nuechterlein to O'Connell. Aggie Blandford
9/20/2006 Update or Other Action After review of existing information and discussion with RP Schlumberger, action on this site will be postponed until summer 2007, at which time ADEC will conduct a site visit to evaluate current conditions at the pad Bill O'Connell
2/1/2007 Exposure Tracking Model Ranking Initial ranking Bill O'Connell
8/22/2007 Update or Other Action Site visit today. No evidence of contamination on pad or in adjacent surface water. Bill O'Connell
12/4/2007 Exposure Tracking Model Ranking Updated ranking Bill O'Connell
12/6/2007 Conditional Closure Approved The Department of Environmental Conservation, Contaminated Sites Program (ADEC) reviewed the environmental records associated with the former CAMCO Pad in Deadhorse, Alaska. 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 former CAMCO Pad 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
12/6/2007 Institutional Control Record Established There is contamination remaining above established cleanup levels at the former CAMCO Pad 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 Environmental Contamination will be recorded on the ADEC database to document that there is residual contamination remaining on site above the most stringent ADEC cleanup levels; 2. Any proposal to transport soil off site requires ADEC approval in accordance with 18 AAC 78.274(b) Bill O'Connell
7/28/2010 Site Reopened This site is reopened to track the investigation and potential removal of contaminated sediment along the southeastern edge of the pad. Bill O'Connell
11/3/2011 Document, Report, or Work plan Review - other Reviewed Contaminated Tundra Corrective Action Plan for Tract 21. Further investigation indicated areas of significant sheen on surface water which, along with field screening was used to delienate the extent of hydrocarbon contamination in tundra troughs in the area south of the main pad. Approximately 750 cy of contaminated sediment will be excavated from the tundra troughs then backfilled with gravel and clean organic overburden. Contaminated material will be stored over winter then treated at AIC in 2012. Bill O'Connell
6/22/2012 Document, Report, or Work plan Review - other Reviewed Schlumberger Tract 21 Contaminated Tundra Remedial Action Report. The report details the excavation of approximately 820 cubic yards of contaminated tundra material from thermokarst troughs along the southern edge of the pad. Excavation was generally conducted to 12 inches bgs, but to 18 inches bgs in some discrete areas. Activities were conducted in April, 2012 when the material was still frozen and guided by data collected during previous investigations and by field screening with a PID. Following excavation, both composite and discrete confirmation samples were collected from the bottom and sidewalls of the excavated areas. DRO was detected up to 360 mg/kg. The area was backfilled with gravel to near tundra grade, then topped with organic overburden to facilitate natural revegetation. Bill O'Connell
6/25/2012 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 79300 name: Tundra Contamination Bill O'Connell
6/26/2012 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 79300 Tundra Contamination. Bill O'Connell
6/28/2012 Cleanup Complete Determination Issued The Alaska Department of Environmental Conservation, Contaminated Sites Program (ADEC) has completed a review of the environmental records associated with Camco/Schlumberger Lease Tract 21 located in Deadhorse, Alaska. Based on the information provided to date, it has been determined that the contaminant concentrations remaining on site do not pose an unacceptable risk to human health or the environment and this site will be closed. Bill O'Connell
6/28/2012 Institutional Control Record Removed Institutional Controls have been removed. Bill O'Connell
3/12/2024 Institutional Control Update DNR-SAIL added as affiliate (Office of Primary Responsibility). For DNR LAS information: ADL# 420687 Jennifer McGrath

Contaminant Information

Name Level Description Media Comments
DRO Other 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.

Missing Location Data

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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