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Site Report: A-J Mine

Site Name: A-J Mine
Address: Roberts Peak, ~0.5 Mile from Juneau, Juneau, AK 99801
File Number: 1513.38.006
Hazard ID: 2704
Status: Cleanup Complete
Staff: Brian Englund, 9072697526 brian.englund@alaska.gov
Latitude: 58.286100
Longitude: -134.326100
Horizontal Datum:

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

Miscellaneous areas throughout the mine have contamination which has potential to impact ground and surface water, as high volume flows through the mine discharges into Gold Creek above the municipal wellfield. Predominantly petroleum, but includes PCBs, arsenic and other heavy metals.

Action Information

Action Date Action Description DEC Staff
8/11/1998 Update or Other Action Approval to dispose of a small quantity of petroleum contaminated sorbants and soil at Channel incinerator. Sally Schlichting
8/26/1998 Update or Other Action Comments provided to Closure Review Team on the draft final closure plan for the AJ Mine. Sally Schlichting
12/3/1998 Update or Other Action Memorandum of Understanding completed and signed by DEC, DNR, DOL, Kvaerner, and Echo Bay Mines. Sally Schlichting
1/12/1999 Site Characterization Workplan Approved Sampling plan for sediments inside the gold creek drainage tunnel approved. Sally Schlichting
3/25/1999 Site Characterization Report Approved Sediment Sampling report approved for sampling in Gold Creek Drainage Tunnel. Sally Schlichting
3/31/1999 Cleanup Plan Approved Remediation work plan approved for perseverance shaft hoist room in the mine. Sally Schlichting
4/8/1999 Update or Other Action Work plan for drainage improvements approved without comment; concurrence provided by CBJ engineer. Sally Schlichting
4/15/1999 Site Characterization Workplan Approved Plan approval for sampling at drill stations in mine. Sally Schlichting
4/30/1999 Site Characterization Workplan Approved Sampling plan for historic sewage treatment area approved. Sally Schlichting
8/10/1999 Update or Other Action Comments provided on revised risk assessment work plan. Sally Schlichting
8/26/1999 Update or Other Action Risk Assessment Work Plan approval. Sally Schlichting
11/26/1999 Site Added to Database Predominantly petroleum, but includes PCBs, arsenic and other heavy metals. Sally Schlichting
11/29/1999 Site Ranked Using the AHRM Initial ranking. Sally Schlichting
3/21/2000 Update or Other Action Site justified to High Priority per commissioner's request. Sally Schlichting
6/1/2000 Risk Assessment Report Approved Risk assessment approved. Sally Schlichting
10/5/2000 Update or Other Action Cost Recovery Letter Issued this date. Sally Schlichting
11/6/2000 Update or Other Action $12,997.81 check received from Kvaerner. Bill Janes
2/25/2008 Update or Other Action An administrative site closure was issued this date based on all exposure pathways being incomplete. This project was atypical in that it was listed on the database years ago because Kvaerner Environmental, under contract with Echo Bay Mines, insisted on conducting a full risk assessment as part of the AJ Mine closure process. Otherwise, the mine may never have met the inclusion criteria for site listing. Bill Janes
2/25/2008 Site Closure Approved Closure action added 11/3/15 during data quality review Mitzi Read
2/25/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed. Bill Janes
11/23/2016 Update or Other Action Administrative update: as this site was administratively closed, no closure documentation was issued for the site. Kristin Thompson

Contaminant Information

Name Level Description Media Comments

Control Type

Type Details

Requirements

Description Details

There are no documents for this site report.

No associated sites were found.

Missing Location Data

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