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Site Report: ADOTPF - Sitka Halibut Point Road Maintenance Station


Site Name: ADOTPF - Sitka Halibut Point Road Maintenance Station
Address: 605 Airport Road, Sitka, AK 99835
File Number: 1525.26.024
Hazard ID: 23180
Status: Cleanup Complete
Staff: ,
Latitude: 57.064389
Longitude: -135.356250
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

PRE Submitted by Dennis B. LyBarger 9/11/00

Action Information

Action Date Action Description DEC Staff
4/8/2000 Leaking Underground Storage Tank Cleanup Initiated - Petroleum 10/13/06 Update action history Evonne Reese
4/8/2000 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 77596 Two 1,000 gallon tanks removed - one diesel and one gasoline. Surrounding soil heavily contaminate with gas and diesel. 120 cy excavated. High concentrations remain. * Not Assigned
4/8/2000 Site Added to Database * Not Assigned
4/10/2000 Update or Other Action Horwath gave Smith Bayliss LeResche approval to transport 120 cy of contaminated soil to USR in Juneau. Requested that USR maintain segreagation of the soils throughout the storage period. Bill Janes
10/2/2001 Update or Other Action Changed Project Manager from Colin Basye to Bill Janes Cynthia Pring-Ham
12/12/2001 Underground Storage Tank Site Characterization or Assessment Project tickler update: Reviewed Smith Bayliss LeResche report and communicate with Dennis LyBarger at DOT rgd need for Release Investigation. Email stored in Outlook in the site name folders Bill Janes
2/8/2002 Update or Other Action Site tickler update - No action per now based on Carnahan's email this date. Check back with DOT early in the fiscal year SE sites are higher on their budget prioritizaton list. Bill Janes
11/3/2006 Leaking Underground Storage Tank Corrective Action Underway Site is now owned by the City and borough of Sitka. Comprehensive corrective action plan approved for this site and the Sitka Public Works Shop Fleet site, event ID 1194. Bill Janes
11/20/2006 Update or Other Action Conceptual Site Model received from consultant. Saved in pdf format in email this date in Outlook public folders. Bill Janes
1/8/2007 Exposure Tracking Model Ranking Baseline ETM ranking complete. Evonne Reese
3/9/2007 Cleanup Level(s) Approved Method 3 cleanup levels approved as follows: GRO - 1400 ppm DRO - 3,800 ppm RRO - 12,500 ppm OOPS Bill Janes
3/9/2007 Update or Other Action Amended cleanup plan approved for second phase of cleanup. Bill Janes
3/11/2007 Update or Other Action Final cleanup report received, In the associated 38 file called Sitka Former Public Works. Bill Janes
7/12/2007 Cleanup Level(s) Approved Correction made to RRO cleanup level - from 12,500 ppm to 8,300 ppm based on July 2007 final cleanup report Bill Janes
7/20/2007 Exposure Tracking Model Ranking Updated ranking - all pathways de-minimis exposure or incomplete. Bill Janes
8/1/2007 Site Visit Site Visit - All structures have been removed and the site has been leveled. Runoff water from the hillside is diverted around the property in a ditch where it eventually enters the storm drain system. It discharges through a nearby small wetland and then into marine waters. The biocell has been constructed at the Granite Creek Quarry. No leachate was observed; the soil was last tilled at the end of June. No odors or visible signs of contamination present. Bill Janes
1/14/2008 Update or Other Action Cleanup complete determination issued this date with site-specific method 3 migration to groundwater cleanup levels for DRO. Site will remain in "open" status until the Granite Creek quarry bioremedation stockpile soil reaches applicable cleanup levels. Pre-approval issued to use the soil for cover material at the nearby waste water sludge disposal area once cleanup levels have been met. Bill Janes
5/8/2008 Update or Other Action DRO/RRO sample results for the Granite Creek stockpile received this date. Five of the 10 samples are above method 2 levels but all are below the approved method 3 cleanup levels. City given the option to continue with treatment or use the material as cover for the nearby biosolids disposal site. Bill Janes
10/15/2008 Cleanup Complete Determination Issued Granite Creek soil stockpile confirmed to meet method 2 migration to groundwater levels. Bill Janes

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.

Missing Location Data

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