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Site Report: Camp Lonely AOC Vehicle Maintenance Shop Area

Site Name: Camp Lonely AOC Vehicle Maintenance Shop Area
Address: 1 Mile West of Point Lonely, Nuiqsut, AK 99789
File Number: 320.38.008
Hazard ID: 4181
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 70.909708
Longitude: -153.295953
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

Last Update: 11/21/2017 In 2013-2014, excavation of petroleum-contaminated soil was completed at five of the six pad areas identified for action in the Cleanup Plan (Pump House, Vehicle Maintenance Shop [VMS], Incinerator Building, Western Landfill, and Northeast Landfill). A total of 8,900 cubic yards of petroleum-contaminated gravel was excavated and staged on the pad for landfarming the following season. Excavations were guided by existing data, soil odors, visual observations, and the results of qualitative screening of the soil with a photoionization detector (PID). At most locations, the gravel was removed down to the native soil (peat and silt), which was five to six feet below the original pad surface. Confirmation sampling was conducted for benzene, toluene, ethylbenzene, and xylenes (BTEX), polynuclear aromatic hydrocarbons (PAH) and GRO, DRO, and RRO. The concentrations were either non-detectable or well below ADEC Method Two cleanup levels at all locations. Petroleum hydrocarbon concentrations were also below the site specific-cleanup levels established for the gravel pad, with a few minor exceedances at the Pump House, VMS, and Incinerator Building. The remaining contamination (located five to six feet below the original pad surface) is limited in extent, relatively low in concentration and does not pose a risk to surface water. Furthermore, at least some of the DRO and RRO detected in the floor samples has been attributed to natural organics (peat) in the sample matrix. Almost all of the excavated areas, including the sample points with exceedances, were backfilled with clean fill.

Action Information

Action Date Action Description DEC Staff
11/15/2005 Meeting or Teleconference Held Staff held a meeting with CIRI to discuss the additional areas of concern on the Camp Lonely pad. Emily Youcha
11/28/2005 Site Ranked Using the AHRM Staff recieved a copy of the Draft Camp Lonely Decommissioning Environmental Assessment Summary Report from CIRI dated Nov. 18, 2005. 7 Areas of concern were discovered: Bulk Fuel Storage Area with 1-65,000 and 1-120,000 gal AST and Pumphouse; 3,500 gallon portable fuel tank; Incinerator/Utility Building area (Incinerator Bldg, Generator Room, and associated ASTs); and Vehicle Maintenance Shop Area (Vehicle Maintenance Shop, communication Shop, Loading Dock area, and associated ASTs). Field screening was used and analytical samples for DRO/GRO/RRO and BTEX were collected. Concentrations exceeded Method One cleanup levels and at the 1300 gallon AST at the Vehicle Maintenance Shop, one sample exceeded Method Two cleanup levels for DRO. Emily Youcha
12/6/2005 Site Added to Database Site added to the database. Kim DeRuyter
2/16/2006 Site Ranked Using the AHRM Initial site ranking. Emily Youcha
5/25/2006 Meeting or Teleconference Held Contaminated Sites staff participated in a meeting with the Camp Lonely potentially responsible parties (PRPs). The proposed petroleum cleanup levels were discussed and DEC recommended Method One cleanup levels because the site is in an eroding environment. A new settlement agreement will be completed to include a feasibility study. The settlement agreement should be finalized within a month and the feasibility study will probably be completed by early fall. The other areas of concern on the Camp Lonely pad may be included into the feasibility study. Emily Youcha
6/29/2006 Meeting or Teleconference Held Staff met w/ CIRI and Husky Energy to discuss the AOCs on the Camp Lonely pad. Staff agreed that additional sampling is not required this summer and that that soil can just be removed and/or treated during the 2008 Landfill removal. Confirmation samples will be needed after removal of the contaminated soil. Additional samples are recommended for volume estimates for treatment purposes, but CIRI thought they had a good estimate of volume. DEC recommended 2000 ppm cleanup levels if they have control of the pad and can maintain restrictions on the use of the gravel. Emily Youcha
12/13/2006 GIS Position Updated Transposition error in longitude entry corrected. Mitzi Read
7/13/2007 Exposure Tracking Model Ranking Intitial Ranking Complete for Source Area: 78240 (Autogenerated Action)
7/13/2007 Exposure Tracking Model Ranking Intitial Ranking Complete for Source Area: 78241 (Autogenerated Action)
7/13/2007 Exposure Tracking Model Ranking Intitial Ranking Complete for Source Area: 78242 (Autogenerated Action)
7/13/2007 Exposure Tracking Model Ranking Intitial Ranking Complete for Source Area: 78243 (Autogenerated Action)
4/13/2011 Document, Report, or Work plan Review - other Contaminated sites staff reviewed and sent comments on the Camp Lonely draft Record of Decision for Camp Lonely Landfill and Associated Pad. Tamar Stephens
7/7/2011 Meeting or Teleconference Held Contaminated sites staff participated in a comment resolution meeting on July 7, for a decision document for the Camp Lonely Landfill and pad. Major concerns with the draft decision document were satisfactorily resolved. Major issues included a clearer understanding of: the scope of the proposed work; how previously undetected contaminants would be identified and managed during removal of the landfill; cleanup levels for confirmation sampling at the landfill and for treatment of petroleum-contaminated soil; cleanup of underlying native soil; and management of additional volumes of waste or contaminants if found. Representatives from the Bureau of Land Management Arctic Field Office were present, and options for obtaining a permit or right of entry to conduct the work were discussed. Tamar Stephens
6/18/2013 Meeting or Teleconference Held Participated in first teleconference of the field season. Planned work includes excavation of the Western and Northeast Landfills, excavation of petroleum contaminated soil at 6 areas within the gravel pad, shipping solid waste and hazardous substances not suitable for landfarming off-site, and landfarming petroleum contaminated soil on-site. DEC will receive weekly field work status reports and participate in teleconferences every other week. Melody Debenham
9/24/2013 Meeting or Teleconference Held Participated in last teleconference of the field season. Removal activities are complete at the Western Landfill and the Northeast Landfill, and excavation activities are complete at the petroleum contamination areas within the gravel pad. 599 tons of solid waste and contaminated soil was shipped off-site this field season, including 213 tons of solid waste, 47 tons of asbestos containing materials, and 339 tons of lead, chromium, and PCB contaminated soil. Scrap metal for recycling is baled and staged for off-site transport next year. Petroleum contaminated soil is stockpiled on-site for landfarming next year. Melody Debenham
3/4/2014 Meeting or Teleconference Held Met with SLR to discuss preliminary results from 2013 field work and discuss plans for the 2014 field season. Melody Debenham
6/25/2014 Update or Other Action Provided comments on the draft summary report describing 2013 cleanup activities. The final report will include the 2013 and 2014 site activities. Melody Debenham
7/10/2014 Document, Report, or Work plan Review - other Approved final Camp Lonely Site Cleanup: Surface Water Monitoring Plan, an addendum to the 2012 Camp Lonely Site Cleanup Plan describing the surface water monitoring program that will be initiated once the removal actions under the Cleanup Plan are completed. Four surface water locations around the perimeter of the site will be sampled annually for a minimum of 3 years. Samples will be analyzed for benzene, toluene, ethylbenzene, and toluene. Melody Debenham
7/23/2014 Meeting or Teleconference Held Participated in first teleconference of the field season. Planned field activities include screening and landfarming petroleum contaminated soil, collecting surface water samples, and shipping remaining scrap metal and solid waste off-site. DEC will receive weekly field work status reports and participate in teleconferences every other week. Melody Debenham
9/17/2014 Meeting or Teleconference Held Participated in last teleconference of the field season. Landfarm operations are about 50% complete and will continue in 2015. In addition, 250 cubic yards of solid waste and 300 cubic yards of scrap metal are staged for off-site transport next year. Melody Debenham
7/8/2015 Update or Other Action Field work has resumed for the 2015 field season. Anticipated work includes completion of landfarming, removal of remaining solid waste and scrap metal, and surface water sampling. Melody Debenham
8/3/2015 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 78240 1,300-Gallon AST. Melody Debenham
8/3/2015 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 78241 Loading Dock Area. Melody Debenham
8/3/2015 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 78242 Communication Shop AST. Melody Debenham
8/3/2015 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 78243 Vehicle Maintenance Shop. Melody Debenham
8/19/2015 Final Cleanup Report Reviewed Approved 2013-2014 Removal Action Report documenting removal actions and waste management activities at the Western Landfill, the Northeast Landfill, and the petroleum contaminated pad areas, including the vehicle maintenance shop. Melody Debenham
8/19/2015 Document, Report, or Work plan Review - other Approved 2014 Landfarm Status Report documenting landfarming of 11,500 cubic yards of petroleum contaminated soil. Multi-incremental sampling results are below established cleanup levels. An additional 15,500 cubic yards of petroleum contaminated soil will be landfarmed in 2015, covering the soil treated in 2014. Melody Debenham
8/19/2015 Document, Report, or Work plan Review - other Approved 2014 Surface Water Monitoring Report. Four surface water samples were collected from around the pad area. No sheen was observed, and all results were non-detect. Melody Debenham
9/7/2015 Update or Other Action Demobilization complete for the 2015 field season. Landfarming activities are complete and all remaining scrap metal and solid waste was shipped off site. Melody Debenham
1/25/2016 Document, Report, or Work plan Review - other Approved final 2015 Surface Water Monitoring Report. Four surface water samples were collected from around the pad area at the same locations as the 2014 samples. All results were non-detect. One more round of surface water monitoring planned for August 2016. Melody Debenham
5/24/2016 Final Cleanup Report Reviewed Approved final Camp Lonely Site Cleanup Landfarming Report documenting landfarm activities at the Camp Lonely site. Approximately 27,000 cubic yards of petroleum contaminated was treated by landfarming in 2014 and 2015. Confirmation sample results are below cleanup levels. Melody Debenham
1/9/2017 Document, Report, or Work plan Review - other Approved 2016 surface water monitoring report for Camp Lonely. Surface water samples were collected from the same 4 locations in 2014, 2015, and 2016. Samples were analyzed for BTEX. Results were non-detect for all 3 sampling events. No further surface water monitoring is required. Melody Debenham
1/17/2017 Update or Other Action Stephen Krause replaces Lori Roy as the AF RPM for Barter, Bullen, Wainwright, Lisburne, Point Lonely, Oliktok, Lake Louise, Big Mtn and Duncan Canal. John Carnahan
9/11/2017 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 78240 1,300-Gallon AST. Jamie McKellar
9/11/2017 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 78241 Loading Dock Area. Jamie McKellar
9/11/2017 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 78242 Communication Shop AST. Jamie McKellar
9/11/2017 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 78243 Vehicle Maintenance Shop. Jamie McKellar
11/21/2017 Cleanup Complete Determination Issued Jamie McKellar

Contaminant Information

Name Level Description Media Comments
DRO Other Soil A site-specific cleanup of 500 mg/kg was chosen as the target cleanup level near the edge of the pad or water. At the VMS, 2 of 22 sidewall samples slightly exceeded 500 mg/kg.

Control Type

Type Details
No ICs Required

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.
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)

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