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Site Report: MOA - AWWU Pump Station #20

Site Name: MOA - AWWU Pump Station #20
Address: S Side of Silver Birch and Sandy Beach Road Intersection, Anchorage, AK 99502
File Number: 2100.26.576
Hazard ID: 25959
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 61.152994
Longitude: -149.966240
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

A 600-gallon diesel tank (Tank #3) and its associated piping for a pump station emergency generator system were removed on August 30, 2012 at the Municipality of Anchorage - Anchorage Water and Wastewater Utility. All excavation and stockpile soil samples met default cleanup levels. Up to 13.3 mg/kg DRO in the samples collected. Recommend site for corrective action complete status.

Action Information

Action Date Action Description DEC Staff
12/7/2012 Site Added to Database A new site has been added to the database Mitzi Read
12/7/2012 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST site created in CSP database for source area UST #3 - 600-Gal Diesel, 79370 Mitzi Read
7/1/2013 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 79370 name: UST #3 - 600-Gal Diesel Robert Weimer
7/2/2013 Leaking Underground Storage Tank Cleanup Initiated - Petroleum 40 cubic yard stockpile generated during tank removal. The stockpile samples had up to 13.3 mg/kg DRO, <2.82 mg/kg GRO, and <0.015 mg/kg benzene. Stockpile was used as backfill in the excavation. Excavation samples had up to 7.98 mg/kg DRO, <3.34 mg/kg GRO, and <0.0178 mg/kg benzene. Robert Weimer
7/2/2013 Underground Storage Tank Site Characterization or Assessment UST #3 - 600-Gal Diesel tank removed. Robert Weimer
7/2/2013 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 79370 UST #3 - 600-Gal Diesel. Robert Weimer
8/20/2014 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 79370 UST #3 - 600-Gal Diesel. Joshua Barsis
8/27/2014 Cleanup Complete Determination Issued Cleanup complete determination on this day. Joshua Barsis

Contaminant Information

Name Level Description Media Comments
DRO < Method 2 Most Stringent 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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