Site Report: CPD Alaska LLC, Springer Cardlock Facility
| Site Name: | CPD Alaska LLC, Springer Cardlock Facility |
|---|---|
| Address: | 485 East Outer Springer Loop, Palmer, AK 99645 |
| File Number: | 2245.26.039 |
| Hazard ID: | 26219 |
| Status: | Cleanup Complete |
| Staff: | No Longer Assigned, 9074655229 dec.icunit@alaska.gov |
| Latitude: | 61.585337 |
| Longitude: | -149.111126 |
| 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
Two 10,000-gallon underground storage tanks (UST #1 and #2) were slated for closure at the Crowley Service, Oil & Gas Cardlock Facility (UST Facility ID: 2296) located at 485 East Outer Springer Loop, in Palmer, Alaska. The two USTs were located adjacent to each other; one was utilized for the storage of gasoline (Tank Number 1) and the other for diesel (Tank Number 2). In October of 2013, several soil borings were advanced in the vicinity of the USTs in an effort to close the USTs in place (without removing them from the ground). Confirmation soil samples collected from several soil borings exhibited concentrations of benzene (up to 0.0526 mg/kg) that exceeded the Alaska Department of Environmental Conservation (ADEC) cleanup criterion for benzene (0.025 mg/kg). Based on the elevated benzene concentrations, the ADEC determined that both USTs needed to be removed from the ground and a release investigation needed to be completed. Note: The ADEC UST database indicated that the aforementioned USTs were 12,000 gallons each; however, the compliance tags located on the USTs during removal indicated that they were 10,000 gallon capacity USTs.
Action Information
| Action Date | Action | Description | DEC Staff |
|---|---|---|---|
| 1/14/2014 | Document, Report, or Work plan Review - other | On this day, the ADEC received a report titled Underground Storage Tank Removal Release Investigation/Closure Report, dated January 6, 2014. The report documented the removal of two 10,000 gallon USTs (Tanks 1 and 2) and their associated piping and dispensing equipment. Initial excavation activities to remove the USTs began on October 30, 2013. Soils removed from the excavation were field screened using a photoionization detector (PID) to evaluate for the presence of volatile organic compounds (VOCs) and were temporarily stockpiled based on field screening results. Two soil stockpiles were created, one for the gasoline contaminated soil and the other for the diesel contaminated soil. Confirmation soil samples collected from the base and sidewalls of the excavation indicated the diesel range organics (DRO) and benzene impacted soil remained in the excavation above the ADEC cleanup levels. As such, further excavation commenced on November 8, 2013 in an effort to remove any remaining contamination from this site. The excavation was discontinued in the south-southeast direction at approximately 25 feet below ground surface (bgs) because of the limits of the onsite equipment. The vertical and horizontal extent of contamination has not be defined in this area. The soils removed from the excavation were temporarily stockpiled accordingly. Confirmation soil samples were collected from the base of the excavation and were analyzed by an ADEC approved laboratory for gasoline range organics (GRO), DRO, residual range organics (RRO), benzene, toluene, ethylbenzene, and xylenes (BTEX), and polynuclear aromatic hydrocarbons (PAHs). The soil samples exhibited concentrations of DRO up to 4,100 milligrams per kilogram (mg/kg) and benzene up to 0.0495 mg/kg, both of which exceed their respective ADEC cleanup criteria. Following the excavation and sampling activities, approximately 644 tons of contaminated soil was transferred to Alaska Soil Recycling (ASR) for thermal treatment. | Joshua Barsis |
| 3/24/2014 | Site Added to Database | A new site has been added to the database | Mitzi Read |
| 3/24/2014 | Leaking Underground Storage Tank Release Confirmed - Petroleum | LUST site created in CSP database for source area Two 12,000-Gal USTs (UST #1-Gasoline) (UST #2-Diesel), 79619 | Mitzi Read |
| 3/24/2014 | Leaking Underground Storage Tank Cleanup Initiated - Petroleum | Administrative action addition for grant reporting purposes. | Evonne Reese |
| 3/26/2014 | Exposure Tracking Model Ranking | Initial ranking with ETM completed for source area id: 79619 name: Two 12,000-Gal USTs (UST #1-Gasoline) (UST #2-Diesel) | Joshua Barsis |
| 4/14/2014 | Update or Other Action | Held a meeting with Crowley's Project Manager (PM) on this day. During the meeting, we discussed future site work; such as an additional investigation to delineate the vertical and horizontal extent of contamination. We also briefly spoke about the groundwater conditions in Palmer. CSP requested a work plan before June 2014. | Joshua Barsis |
| 9/5/2014 | Document, Report, or Work plan Review - other | The CSP reviewed the Site Characterization Work Plan, dated September 4, 2014 for the CPD Alaska LLC, Springer Cardlock Facility site. The work plan was approved with the following two conditions: (1) If contamination is encountered during soil boring activities, two soil samples should be collected; one from the interval that is most impacted based on field screening and observations, and the other from the saturated soils just above the water table; and (2) If collecting water samples: the water sampling pump should be placed at the soil/water interface, typically the top foot of water within the screened interval. | Joshua Barsis |
| 9/15/2014 | Site Visit | CSP observed one soil boring, which as advanced to 45 feet bgs in the source area. No visual or olfactory signs of contamination were present and groundwater was not encountered. | Joshua Barsis |
| 11/18/2014 | Document, Report, or Work plan Review - other | On this day, the ADEC received a site characterization report, dated November 18, 2014. According to the report, four soil borings were advanced in September 2014 to delineate the vertical and horizontal extent of contamination. Three of the borings were advanced to 30 feet bgs, and one was advanced to 45 feet bgs. Groundwater was not encountered. At least one soil sample was collected from each soil boring and was analyzed for GRO, DRO, RRO, and BTEX. None of the soil samples exhibited contaminant concentrations above ADEC MTG cleanup levels. | Joshua Barsis |
| 11/21/2014 | Exposure Tracking Model Ranking | A new updated ranking with ETM has been completed for source area 79619 Two 12,000-Gal USTs (UST #1-Gasoline) (UST #2-Diesel). | Joshua Barsis |
| 12/16/2014 | Cleanup Complete Determination Issued | Cleanup complete determination issued on this day. | Joshua Barsis |
Contaminant Information
| Name | Level Description | Media | Comments |
|---|---|---|---|
| Benzene | < 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. | |
| Movement or use of contaminated material (including on site) in a manner that results in a violation of the water quality standards is prohibited (18 AAC 70) |
No associated sites were found.