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Site Report: ARRC Fueling Rack


Site Name: ARRC Fueling Rack
Address: North Ship Creek Railyard, East of Round House, Anchorage, AK 99501
File Number: 2100.38.039
Hazard ID: 1781
Status: Active
Staff: Grant Lidren, 9072698685 grant.lidren@alaska.gov
Latitude: 61.227175
Longitude: -149.879309
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

In 1993, diesel overflow from the fuel rack contaminated soil beneath and around tracks. 170 cubic yards of contamintated soil was removed and taken to Alaska Soil Recycling. Administrative order on consent (US EPA Docket No. CERCLA 10-2004-0065) signed on this date to include ARRC terminal, Area 3 and designated lease properties.

Action Information

Action Date Action Description DEC Staff
12/16/1993 Report or Workplan Review - Other ADEC received Monitoring Stained Soil Removal from Alaska Railroad Fueling Rack, ARRC Railyard; submitted by S & W; dated December 16, 1993. Approximately 170 cubic yards of visibly discolored soils from beneath the railroad tracks, adjacent to the fueling rack, was excavated 18 inches bgs. The excavated soil, some of which was fertilized, was placed into a long term storage treatment cell. Seven soil samples collected from the depths of the excavation and six soil samples collected from test pits contained DRO up to 65,900 mg/kg and benzene up to 0.2 mg/kg. Grant Lidren
10/3/1994 Update or Other Action On this date, 245.47 tons of contaminated soil was thermally remediated at ASR. Grant Lidren
3/27/2007 Exposure Tracking Model Ranking Initial ranking Bill O'Connell
6/21/2007 Update or Other Action Remedial Investigation Alaska Railroad Corporation Anchorage Terminal Reserve U.S. EPA Docket No. CERCLA 10-2004-0065, submitted by RETEC. Sampling conducted at the ARRC Fueling Rack, aka Groundwater Area 7(GW-7) found 2.34 mg/L GRO, 3.67 mg/L DRO, 0.025 mg/L benzene, 0.0077 mg/L 1,1,2-trichloroethane. This site is located on the north-central part of the fuel yard in an area of historic fueling and is confined to railyard property. For more information consult CS file # 2100.38.447 ARRC Anchorage Terminal Reserve Grant Lidren
5/21/2015 Update or Other Action On this date, ADEC received the Environmental Investigation, Modeling and Pipe Recommendations for the ARRC Anchorage Terminal Reserve Waterline Rehabilitation Project, submitted by RSE and dated December 2014. As part of this investigation, seven boreholes (TB1 to TB7) were completed as temporary MWs adjacent to the Fueling Rack area. Only TB4 contained soil contamination above cleanup levels. Soil samples collected at the GW interface at 12.5 feet bgs contained TCE at 0.0384 mg/kg and PCE at 0.0485 mg/kg. Only two temporary wells contained contamination above cleanup levels. Groundwater samples collected from TB4 and TB5 contained DRO and RRO up to 3.40 mg/L and 8.06 mg/L respectively. For more information consult CS file # 2100.38.557 ARRC Anchorage Terminal Reserve Utility Upgrades. Grant Lidren
5/26/2015 Update or Other Action On this date, ADEC received the AWWU PN 6526 - ARRC Yard Rehabilitation Water Phase 1: Work Plan for Potentially Contaminated Soil and Groundwater Management. For more information consult CS file #2100.38.557 ARRC Anchorage Terminal Reserve Utility Upgrades. Grant Lidren

Contaminant Information

Name Level Description Media Comments

Control Type

Type Details

Requirements

Description Details

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