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Site Report: Gas Line 1

Site Name: Gas Line 1
Address: 3027 Airport Road, Fairbanks, AK 99709
File Number: 102.26.172
Hazard ID: 25988
Status: Cleanup Complete
Staff: IC Unit, 9074655229 dec.icunit@alaska.gov
Latitude: 64.836328
Longitude: -147.792109
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

On October 23, 2012 two 12,000-gallon gasoline underground storage tanks (1 & 2) and their associated piping were removed. The site assessment work conducted was incomplete (the excavated soil did not have analytical samples collected from it to determine if it was contaminated, no field screening or analytical samples were collected for the product and vent piping, and no soil sample was collected at the soil/water interface as required when groundwater is suspected to be within five feet below the bottom of the tank). On December 28, 2012 supplemental sampling was conducted. One of those soil samples collected at the piping had 0.676 mg/kg benzene and 400 mg/kg GRO collected at 3 feet below ground surface. On February 26, 2013 a 10x10 foot area 3 feet deep was excavated where a previous piping sample had identified soil contamination above cleanup levels. The 13.98 tons of excavated soil was transported to OIT for thermal treatment. Confirmation soil samples were collected from the sidewalls and base of the excavation that had up to 0.0955 mg/kg Xylenes, <0.0138 mg/kg benzene, <0.259 mg/kg naphthalene, and <3.18 mg/kg GRO. Based on the soil samples collected at this site all remaining soil meets most stringent cleanup levels. A Corrective Action Complete with Institutional Controls (IC) letter was issued on Apil 10, 2013. The IC is for the thermal treatment of the 13.98 tons of excavated soil at OIT.

Action Information

Action Date Action Description DEC Staff
1/24/2013 Site Added to Database A new site has been added to the database. Mitzi Read
1/24/2013 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST site created in CSP database for source area 12,000-Gal Gasoline USTs 1 & 2, 79391 Mitzi Read
1/24/2013 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 79391 name: 12,000-Gal Gasoline USTs 1 & 2 Mitzi Read
1/25/2013 Underground Storage Tank Site Characterization or Assessment On October 23, 2012 two 12,000-gallon gasoline underground storage tanks (1 & 2) and their associated piping were removed. The site assessment work conducted was incomplete (the excavated soil did not have analytical samples collected from it to determine if it was contaminated, no field screening or analytical samples were collected for the product and vent piping, and no soil sample was collected at the soil/water interface as required when groundwater is suspected to be within five feet below the bottom of the tank). Robert Weimer
1/26/2013 Site Characterization Report Approved On December 28, 2012 supplemental sampling was conducted. One of those soil samples collected at the piping had 0.676 mg/kg benzene and 400 mg/kg GRO collected at 3 feet below ground surface (bgs). All of the other soil samples collected met most strigent cleanup levels. Groundwater was encountered at 15.5 feet bgs in the former tanks area. Robert Weimer
1/29/2013 Potentially Responsible Party/State Interest Letter PRP letter sent to property owner/operator Alaska Petroleum. The propsective purchaser Batteries Plus Alaska Inc. was CCd on the letter. Robert Weimer
1/29/2013 Update or Other Action PRP letter of January 29, 2013 requested submittal of a release investigation work plan, including a schedule for conducting the work, by March 1, 2013 to assess the nature and extent of the remaining soil (and potential groundwater) contamination at the site. Robert Weimer
2/6/2013 Site Characterization Workplan Approved The February 4, 2013 Work Plan is approved with the following modifications. The plan call for excavating all soil within 5 feet of the contaminated sample and thermally treating those soils at OIT. Field screening and analytical samples will be collected from the excavation base and sidewalls. 4.1.1 – Any excavated soil that is to be thermally treated does not need field screening and analytical samples prior to thermal treatment. The treatment facility will do that as part of their post treatment sampling. Any excavated soil that is not thermally treated will need to have field screening and analytical samples as per the May 2010 Draft Field Sampling Guidance, this includes at least 5 field screening samples for piles 50 cubic yards or less. 4.1.2 – If contaminated soil extents to within 5 feet of the groundwater table a monitoring well will need to be installed (which could include an excavation installed monitoring well) and sampled in accordance with the DEC November 2011 Monitoring Well Guidance. 4.1.2 – If all field screening samples collected from the base of the excavation are the same, then one of the base analytical samples is to be collected directly below the GLS-6-1012 sample location. 6.1 – The volatile analytical soil samples need to be immediately submerged in methanol, not zero head space in the jar. 7.0 – The sampling report is to include complete copies of all field notes. Robert Weimer
2/15/2013 Offsite Soil or Groundwater Disposal Approved DEC approves request to transport contaminated soil to be excavated on 2/18/2013 to OIT for thermal treatment. Robert Weimer
3/21/2013 Site Characterization Report Approved On February 26, 2013 a 10x10 foot area 3 feet deep was excavated where a previous piping sample had identified soil contamination above cleanup levels. The excavated soil was transported to OIT for thermal treatment. Confirmation soil samples were collected from the sidewalls and base of the excavation that had up to 0.0955 mg/kg Xylenes, <0.0138 mg/kg benzene, <0.259 mg/kg naphthalene, and <3.18 mg/kg GRO. Based on the soil samples collected at this site all remaining soil meets most stringent cleanup levels. Site recommended for Corrective Action Complete with Institutional Controls (IC) status. The IC is for the thermal treatment of the excavated soil at OIT. Robert Weimer
3/31/2013 Leaking Underground Storage Tank Cleanup Initiated - Petroleum Administrative action for grant reporting purposes. Evonne Reese
4/3/2013 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 79391 12,000-Gal Gasoline USTs 1 & 2. Robert Weimer
4/9/2013 Conceptual Site Model Submitted Robert Weimer
4/10/2013 Institutional Control Record Established Cleanup Complete with Insitutional Controls (IC) letter issued. The IC is for the treatment of 13.98 tons of contaminated soil to be thermally treated at OIT in the summer of 2013. Robert Weimer
4/10/2013 Cleanup Complete Determination Issued Cleanup Complete with Insitutional Controls (IC) letter issued. The IC is for the treatment of 13.98 tons of contaminated soil to be thermally treated at OIT in the summer of 2013. Robert Weimer
4/30/2013 Institutional Control Compliance Review IC Compliance Review conducted and Staff changed from Robert Weimer to IC Unit. Reminder system set-up to contact RP in early 2014 regarding off-site treatment of excavated contaminated soil at OIT. Kristin Thompson
5/27/2014 Institutional Control Update An IC reminder letter was issued to the responsible party on this date. Kristin Thompson
6/19/2015 Institutional Control Update Contacted OIT directly in an attempt to get a proof of thermal treatment of the 13.98 tons of petroleum contaminated soil. This is the only IC requirement. Evonne Reese
6/22/2015 Institutional Control Record Removed Received confirmation from OIT regarding the 2013 contaminated soil thermal remediation therefore ICs can be removed. Evonne Reese

Contaminant Information

Name Level Description Media Comments
GRO < 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. Standard condition.
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) Standard condition.

No associated sites were found.

Missing Location Data

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State of Alaska Department of Environmental Conservation

P.O. Box 111800
Juneau, AK 99811-1800
Phone: 907-465-5066
Fax: 907-465-5245
TDD: 800-770-8973
Physical Location: 410 Willoughby