Site Report: Sitka Public Works Shop Fleet
| Site Name: | Sitka Public Works Shop Fleet |
|---|---|
| Address: | 1410 Halibut Point Road; , Sitka, AK 99835 |
| File Number: | 1525.26.005 |
| Hazard ID: | 24515 |
| Status: | Cleanup Complete |
| Staff: | No Longer Assigned, 9074655229 dec.icunit@alaska.gov |
| Latitude: | 57.063800 |
| Longitude: | -135.356700 |
| Horizontal Datum: | WGS84 |
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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
Site Assessment during the closure by removal of a 1,000 gallon gasoline UST and a 1,000 galllon diesel UST. Diesel soil contamination reached 7,000 mg/kg and gasoline soil contamination up to 210 mg/kg.
Action Information
| Action Date | Action | Description | DEC Staff |
|---|---|---|---|
| 7/1/1993 | Underground Storage Tank Site Characterization or Assessment | SA1; Plan to remove contaminated soil to landfill for remediation. CAP to be submitted in coming months. | Former Staff |
| 7/23/1993 | Leaking Underground Storage Tank Release Confirmed - Petroleum | LUST Site created in CSP for source area ID 78426 ADD; Diesel contaminated soil around site of two 1000 gal USTs. | Former Staff |
| 7/23/1993 | Site Added to Database | Former Staff | |
| 11/20/1997 | Update or Other Action | ADEC sends Notification of Intent to Cost Recover Letter to Current Owner: CITY & BOROUGH OF SITKA | Former Staff |
| 10/11/1999 | Leaking Underground Storage Tank Cleanup Initiated - Petroleum | Former Staff | |
| 10/2/2001 | Update or Other Action | Changed Project Manager from Paul Horwath to Bill Janes | Cynthia Pring-Ham |
| 1/29/2002 | Update or Other Action | Project tickler update - email sent to Hugh Bevan requesting project status update | Bill Janes |
| 1/30/2002 | Update or Other Action | Reply from Bevan: CBS removed the tanks, sampled under Smith Bayliss observation, but left contamination in place. The VCP (C-site named Former Sitka Public Works) will take care of the contamination and close the USTs. | Bill Janes |
| 4/9/2004 | Update or Other Action | Email from Rich Riggs, CBS, discussing possibility of CBS selling property "as is where is." | Bruce Wanstall |
| 10/22/2004 | Document, Report, or Work plan Review - other | Cleanup Action Plan received from Carson Dorn. Several cleanup alternatives are presented but none specifically selected. A supplementary is required for approval once an option is selected. If CBS sells the property the new buyer will need to do this. | Bruce Wanstall |
| 7/5/2006 | Update or Other Action | Project management change from Janes to Wanstall; meeting held with CDI to examine data gaps in site investigation and remedial options for Tracts I & II, the former ADOT and City Shop USTs. | Bruce Wanstall |
| 7/5/2006 | Update or Other Action | Project management change from Janes to Wanstall; meeting held with CDI to examine data gaps in site investigation and remedial options for Tracts I & II, UST releases at the vehicle shop, power plant, and electrical buildings need soil removal; the shop sump and transformer sites may need more assessment. | Bruce Wanstall |
| 11/3/2006 | Leaking Underground Storage Tank Corrective Action Underway | Approved this date and stored in electronic site file. Petroleum contaminated soil to be excavated and biotreated at the Granite Creek quarry. A method 3 cleanup level may be requested later. | 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 |
| 3/9/2007 | Update or Other Action | Amended cleanup plan received for second phase of cleanup. | Bill Janes |
| 3/9/2007 | Cleanup Level(s) Approved | Method 3 cleanup levels approved as follows: GRO - 1,400 ppm DRO - 3,800 ppm RRO - 12,500 ppm | Bill Janes |
| 7/11/2007 | Update or Other Action | Final cleanup report received. On file in the associated 38 file for the property 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 |
| 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 sampling results for the Granite Creek stockpile received. FIve of the ten samples exceed method 2 but all samples are below the approved method 3 cleanup level. City given the option of further treatment and re-sampling or using the material as cover for the nearby biosolids disposal site. | Bill Janes |
| 10/15/2008 | Cleanup Complete Determination Issued | Granite Creek soil stockpile concentrations now meet method 2 migration to groundwater cleanup levels. | Bill Janes |
Contaminant Information
| Name | Level Description | Media | Comments |
|---|---|---|---|
| DRO | Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation | 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.