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Site Report: Service City Pad

Site Name: Service City Pad
Address: West of Prudhoe Bay, Kuparuk River, Prudhoe Bay, AK 99734
File Number: 300.38.002
Hazard ID: 1175
Status: Cleanup Complete - Institutional Controls
Staff: Laura Jacobs, 9074512911 laura.jacobs@alaska.gov
Latitude: 70.315000
Longitude: -148.948900
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

Service City consists of approximately 60 acres of abandoned gravel pads which were used for staging, servicing and storage. Potential hazardous materials on site include lead, solvents, fuel and various chemicals. Cleanup of debris conducted in summer of 1990 and soil sampling set for 1991. Lease Tracts ADL numbers 57171, 57499, 60256, 65959. There have been over 12 leasees at the site, including, but not limited to Frontier Equipment Company and Arctic Slope General Construction Company. FIle number changed from 300.38.002.

Action Information

Action Date Action Description DEC Staff
6/1/1990 Interim Removal Action Approved (Old R:Base Action Code = SC - Site Control (Emergency Response)). Dates are estimated from summer cleanup at site by Woodward-Clyde Consultants for BPX which consisted of removing all the debris at the site and shipping hazardous materials to the lower 48. Report entitled "Waste Disposal Plan" Volumes 1-4 dated 10/90. Former Staff
9/8/1990 Preliminary Assessment Approved Woodward-Clyde Consultants conducted an assessment for BP Exploration which resulted in a July, 1990 report entitled "Characterization and Preliminary Consolidation of Hazardous Wastes, Service City, Alaska". Former Staff
11/28/1990 Site Added to Database Reckey number based on Approval to Open Burn issued to BP Exploration by DEC. Former Staff
12/12/1990 Site Ranked Using the AHRM Attempted - no sampling data yet. Sampling to begin in 1991. Former Staff
8/1/1991 Update or Other Action (Old R:Base Action Code = SI - Site Investigation). Exact date unknown. Nadem assisted BPX with site sampling at site. ADEC Douglas laboratory to perform analysis. Mehrdad Nadem
11/20/1992 Site Number Identifier Changed Old Reckey 1990360922601. Reckey changed to reflect new region. Former Staff
1/6/1995 Site Number Identifier Changed Old region = 40. Scott Rose
12/1/1999 Update or Other Action This site was identified as an Orphan on the Charter for the Development of the Alaska North Slope (Charter). Funding under this agreement will be used to cleanup the site. Linda Nuechterlein
8/21/2001 Site Characterization Workplan Approved Site characterization workplan approved. Jim Frechione
8/29/2001 Update or Other Action Fax to Mike Bennett - Hoefler Consulting Group - regarding information on type of equipment needed to request in stream crossing permit. Jim Frechione
3/6/2002 Update or Other Action Final Phase II Site Assessment Report received. Assessment of gravel pad in 2001 identified source areas with significant volumes of petroleum contaminated soil in excess of DEC’s Method One cleanup level for the Arctic Zone, and areas of petroleum-stained soil conducted by BNCI/SLR as follows: •The former bulk fuel storage area adjacent to the ponded area on the east side of the pad. •The area below the former maintenance shop on the southeast portion of the pad. •The former location of the aboveground storage tanks (ASTs) on the southeast corner of the pad. •Two locations on the pad where visible surface staining was evident (west excavation areas.) Linda Nuechterlein
6/21/2002 Interim Removal Action Approved Approval for final corrective action plan given by Renee Evans via email. Approximately 16,300 cubic yards (cy) of contaminated soil was excavated from the source areas at the Service City Pad during 2002. Linda Nuechterlein
3/19/2003 Update or Other Action DEC received Final Service City Completion/Corrective Action report which was dated March 2003. Linda Nuechterlein
1/23/2004 Update or Other Action Results from a final round of sampling were faxed to DEC on this date. This sampling was conducted 420 days after initial inoculation during September 2003. Sampling results for GRO and RRO did not exceed Method One levels, and the DRO concentrations had also decreased, and ranged from 200 to 1110 mg/kg. Linda Nuechterlein
2/11/2004 Update or Other Action File number changed from 300.38.170 to 300.38.002. Sarah Cunningham
9/2/2004 Conditional Closure Approved Letter recording ROD and NFRAP status was sent September 2, 2004. Institutional controls established. This site will be removed from the Charter "Orphan" list. Linda Nuechterlein
9/2/2004 Institutional Control Record Established An institutional control is established to identify areas on the pad where hazardous substance contamination may remain above 18 AAC 75.341 Method One Table A2 cleanup levels for the following areas: -Soil sample EX-707-07, collected from the west side of the former bulk fuel area/maintenance shop excavation with a GRO concentration of 883 mg/kg, a benzene concentration of 4.4 mg/kg, and a BTEX concentration of 18.83. -Soil sample ex-708-02, collected from the south side of the small AST area located on the south edge of the pad with a DRO concentration of 2,470 mg/kg and an RRO concentration of 5,960 mg/kg. -Soil sample EX-703-05, collected from the east side of the former maintenance shop which contained RRO at a concentration of 3,050 mg/kg. -Any proposal to transport soil off site requires DEC approval in accordance with 18 AAC 75.325(i). Linda Nuechterlein
9/2/2004 Institutional Control Record Established A surface water monitoring plan will be required to periodically sample surface water to ensure any areas of contamination do not pose a risk in the future. Sampling for TAH and TAqH of the surface water at station SC-SW-05 will be required on an annual basis since the most recent sample collected in 2002 exceeded Alaska Water Quality Standards (18 AAC 70) for both TAH and TAqH. Annual sampling will be required until results of surface water samples at this location do not exceed the Alaska Water Quality Standards for TAH and TAqH. Linda Nuechterlein
3/3/2006 Update or Other Action Long term monitoring for "Service City Surface Water Sample Results" prepared by Oasis for BP was received. Results for 2005 show DRO at 8.11 mg/L and BTEX at 0.0578 mg/L. See full report in 300.38.229. Information entered in database 2-21-08 by Pam Clemens. Linda Nuechterlein
2/16/2011 Document, Report, or Work plan Review - other Reviewed 2009 Monitoring Report for Service City. Annual sampling of one surface water location, SC-SW-5 was required under the 2004 Closure Decision, however due to an oversight, sampling was not conducted in 2010. The 2009 sample contained TAH at 0.286 mg/l and TAqH at 0.373 mg/l, above the AWQS of 0.01 mg/l and 0.015 mg/l, respectively. DRO was detected at 5.32 mg/l. Sampling will be conducted again in 2011. Bill O'Connell
7/20/2011 Document, Report, or Work plan Review - other Reviewed 2011 work plan for Service City. One surface water sample will be collected and analyzed for DRO, BTEX, and PAHs. Bill O'Connell
7/31/2012 Document, Report, or Work plan Review - other Reviewed 2012 work plan for water quality monitoring at Service City. One surface water sample will be collected at location SC-SW-05 and field observations will be recorded. Bill O'Connell
8/17/2012 Document, Report, or Work plan Review - other Reviewed 2011 monitoring report for Service City. One surface water sample was collected at location SW-5 and analyzed for DRO, GRO, BTEX and PAHs. AWQS were exceeded for both TAH (BTEX) and TAqH (BTEX +PAHs) with total TAH detected at 0.777 mg/l and TAqH detected at 0.9405 mg/l. Hydrocarbon sheen was not noted during sampling however abundant plant growth and biogenic sheen were observed. Bill O'Connell
6/19/2013 Document, Report, or Work plan Review - other Date of receipt of 2012 Monitoring Report reviewed 9/25/13. A single surface water location was sampled in duplicate and analyzed for BTEX and PAHs. No visible petrogenic sheen was observed, but iron and a biosheen was. TAH and TAqH were both exceeded primarily due to xylenes. Keather McLoone
8/8/2013 Document, Report, or Work plan Review - other Reviewed Service City water quality monitoring work plan. A surface water sample will be collected from one established monitoring location and field observations will be recorded. Bill O'Connell
4/14/2014 Document, Report, or Work plan Review - other Date of receipt of 2013 Monitoring report. One surface water location was sampled and a duplicate collected. TAH and TAqH as well as benzene exceeded Alaska Water Quality Standards. Location is heavily vegetated, has shown a biogenic sheen, and not much water was observed. Keather McLoone
7/30/2014 Document, Report, or Work plan Review - other Date of receipt of hardcopy (email copy on 7/25/14) of Water Quality Monitoring Work Plan. One surface water location will be sampled in duplicate for GRO/DRO, BTEX, and PAH. Keather McLoone
10/6/2014 Institutional Control Update Current project manager chooses to retain management of the site at this time. Kristin Thompson
5/18/2015 Document, Report, or Work plan Review - other Date of letter reporting entitled Service City 2014 Contaminated Sites Monitoring Report. A sample and duplicate was collected at location SC-SW-05 and analyzed for DRO, GRO, BTEX, and PAH. No sheen was produced when disturbing sediments but benzene, TAH and TAqH exceeded water quality criteria and DRO was above Table C. Keather McLoone
7/29/2015 Document, Report, or Work plan Review - other Date of receipt of 2015 Contaminated Sites Water Quality Monitoring Work Plan. Activities planned include sampling 1 surface water locations for GRO, DRO, BTEX and PAHs. Keather McLoone
7/29/2015 Document, Report, or Work plan Review - other Date on Transmittal of the 2015 Contaminated Sites Water Quality Monitoring Workplan for D Pad, Service City, COTU North, COTU South, BOC Bulk Fuel Facility Utilidor, DSM Shop, PBOC Generator, MCC Fuel Island. As of 10/15/15 an approval letter hadn't been sent because ERM/BP had not yet provided the 2014 COTU South report although it has been reportedly just about ready for 2 months. Keather McLoone
7/25/2016 Document, Report, or Work plan Review - other Reviewed the Service City 2015 Contaminated Sites Monitoring Report, dated May 27, 2016, for the Service City Pad site. Activities described in the report mainly consisted of annual surface water sampling at one location (SC-SW-05). Results revealed that TAH and TAqH exceeded the Alaska Water Quality Standards (AWQS) at this location. Sampling will occur again in 2016. Joshua Barsis
8/9/2016 Document, Report, or Work plan Review - other Reviewed the 2016 Contaminated Sites Soil & Water Quality Monitoring Work Plan, dated August 2016. Proposed activities mainly consist of monitoring well sampling, surface water sampling, and surface soil sampling. Joshua Barsis
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
2/7/2017 Document, Report, or Work plan Review - other Reviewed the 2016 Contaminated Sites Monitoring Report, dated February 2017, for the Service City Pad site. The monitoring report describes the surface water inspection and sampling activities completed in 2016, and also includes a work plan for the 2017 activities. Visual inspection and surface water sampling activities were completed at one location, SC-SW-05 on August 17, 2016. A sheen was observed and a fuel odor was noted at the sample location, however, based on the sheen characteristics, it was marked as biogenic in nature on the field notes. Sample results for total aromatic hydrocarbons (TAH) and total aqueous hydrocarbons (TAqH) were 4.2 µg/l and 4.5 µg/l, respectively, both of which are well below the Alaska Water Quality Standards (AWQS) criteria. It should be noted that Sample SC-SW-05 was collected from what appears to be at least 100 feet east of the proposed sample location, as shown in the 2016 Contaminated Sites Soil & Water Quality Monitoring Work Plan, dated August 2016. This may have contributed to the decreased TAH and TAqH concentrations during this event, as the 2015 sample location was much closer to the pad and exhibited levels of TAH and TAqH above AWQS. Proposed 2017 activities include visual inspection (with and without sediment disturbance) and surface water sampling at location SC-SW-05. Additionally proposed were the decommissioning of up to 21 monitoring wells that are no longer in use. Sample analysis in 2017 will include benzene, toluene, ethylbenzene, and xylenes (BTEX), and polycyclic aromatic hydrocarbons (PAHs). Diesel range organics and gasoline range organics will be removed from the analytical suite because they are not required to meet AWQS under 18 AAC 70. Joshua Barsis
4/18/2018 Document, Report, or Work plan Review - other Reviewed the Service City 2017 Contaminated Sites Monitoring Well Decommissioning and Surface Water Monitoring Report, dated April 2018. The monitoring report describes the 2017 surface water inspection and sampling activities, monitoring well decommissioning activities, and also includes a work plan for the 2018 effort. Visual inspection and surface water sampling activities were completed at one location, SC-SW-05 on August 5, 2017. A sheen was observed at the sample location, however, based on the sheen characteristics, it was determined to be biogenic in nature. Regardless of the sheen, sample results for total aromatic hydrocarbons (TAH) and total aqueous hydrocarbons (TAqH) were 280 µg/l and 313 µg/l, respectively, both of which exceed the Alaska Water Quality Standards (AWQS) criteria. A total of 16 monitoring wells were decommissioned during the 2017 effort. During abandonment activities, numerous crushed drums and other metal debris were observed eroding from the wall of the pad near the Kuparuk River. Report recommendations include continued surface water monitoring and testing in 2018 at sample location SC-SW-05; and removal of the drums and metal debris observed in 2017. In the event contamination is suspected during the removal, work will be halted and ADEC will be contacted to discuss the appropriate characterization and/or removal plan. Joshua Barsis
4/9/2019 Document, Report, or Work plan Review - other Reviewed the Service City 2018 Contaminated Sites Report and 2019 Work Plan, dated April 5, 2019. The monitoring report describes the 2018 surface water inspection and sampling activities, and also includes a work plan for the 2019 effort. Visual inspection and surface water sampling activities were completed at one location, SC-SW-05 on August 10, 2018. Sample results for total aromatic hydrocarbons (TAH) and total aqueous hydrocarbons (TAqH) were 1,340 µg/l and 1,460 µg/l, respectively, both of which exceed the Alaska Water Quality Standards (AWQS) criteria. Report recommendations include continued surface water monitoring and testing in 2019 at sample location SC-SW-05. Joshua Barsis
1/28/2020 Potentially Responsible Party/State Interest Letter PRP letter sent to NSB requesting ownership and operations information at the property for potential new source area- buried drums and debris filled east bank of Kuparuk. Lisa Krebs-Barsis
5/20/2020 Document, Report, or Work plan Review - other Received 2019 Contaminated Sites Monitoring Report and Work Plan Considerations. Andrea Carlson
1/12/2022 Document, Report, or Work plan Review - other Received 2021 Contaminated Site Monitoring Report and Proposed Work Plan detailing surface water sampling. Andrea Carlson
3/7/2023 Document, Report, or Work plan Review - other Reviewed the 2022 Contaminated Site Monitoring Report and Proposed Work Plan dated March 7, 2023. Water quality monitoring activities were completed in 2022 and included collecting samples from two surface water locations. TAH and TAqH still exceed water quality standards. Work plan includes sampling again in 2025. Andrea Carlson

Contaminant Information

Name Level Description Media Comments
BTEX > Surface H20 Criteria Surface Water - Fresh
PAHs - Total > Surface H20 Criteria Surface Water - Fresh

Control Type

Type Details
CS Database Notation And Letter To Landowner/RP

Requirements

Description Details
Excavation / Soil Movement Restrictions
Advance approval required to transport soil or groundwater off-site. Any proposal to transport soil off site requires ADEC approval in accordance with 18 AAC 75.325(i).
When Contaminated Soil is Accessible, Remediation Should Occur
Surface water monitoring Sampling for TAH and TAqH of the surface water at station SC-SW-05 will be required on an annual basis since the most recent sample collected in 2002 exceeded Alaska Water Quality Standards (18 AAC 70) for both TAH and TAqH. Annual sampling will be required until results of surface water samples at Annual monitoring and reporting until concentrations do not exceed water quality standards.
Document name File Size Document Date
No Further Remedial Action 2 MB

No associated sites were found.

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