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Site Report: ARRC - Anchorage Terminal Reserve GW Area 6


Site Name: ARRC - Anchorage Terminal Reserve GW Area 6
Address: 101 East Whitney Road, Whitney Road at C Street Bridge, Anchorage, AK 99501
File Number: 2100.38.447
Hazard ID: 4627
Status: Active
Staff: Grant Lidren, 9072698685 grant.lidren@alaska.gov
Latitude: 61.224900
Longitude: -149.885100
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

Remedial Investigation ARRC Anchorage Terminal Reserve U.S. EPA Docket No. CERCLA 10-2004-0065, submitted by ENSR and recieved by the ADEC on this date. This site is located at the Groundwater Area 6 in the Anchorage Terminal Reserve- north of Ship Creek along Whitney Road, underneath the C street bridge. High levels of PCE and TCE found throughout plume. Groundwater Contaminate levels up to 0.062 mg/L TCE, 0.02 mg/L PCE, and 0.14 cis-1,2-dichloroethylene detected. Surface soil samples indicate benzene contamination up to 0.0566 mg/kg and TCE contamination up to 0.04 mg/kg. Contamination appears to be coming from the railyard upgradient, which can be a multitude of sources from current and historic RR activities. The plume appears to be flowing from north to south, underneath the C street bridge. Groundwater is flowing to the southwest on the site. For more information consult CS file # 2100.38.447 ARRC Anchorage Terminal Reserve

Action Information

Action Date Action Description DEC Staff
4/8/2008 Site Added to Database Site added to the database. Mitzi Read
4/9/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed. Grant Lidren
4/20/2016 Update or Other Action On this date, ADEC received the Anchorage Terminal Reserve Oversight Referral letter submitted by EPA dated April 18, 2016. The letter states, "EPA will enter a corrective action event code into RCRAInfo to indicate the site has been transferred to a non-RCRA authority, with event code comments documenting the transfer of responsibility to ADEC." As a result, ADEC will continue to manage contaminated sites in the Anchorage Terminal Reserve in accordance with State regulations. Grant Lidren

Contaminant Information

Name Level Description Media Comments

Control Type

Type Details

Requirements

Description Details

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