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Site Report: Knik Texaco Service

Site Name: Knik Texaco Service
Address: 1800 Knik-Goose Bay Road, Mi. 1.45 Knik-Goose Bay, Wasilla, AK 99687
File Number: 2265.26.017
Hazard ID: 968
Status: Active
Staff: Janice Wiegers, 9074512127 janice.wiegers@alaska.gov
Latitude: 61.563286
Longitude: -149.459947
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

Waste oil was dumped behind building. Soils contaminated. Cleanup was to have been started on April, 18 1990. Tax Parcel D15. A LUST Site exists at this location as well. See - Texaco - 1.5 Mile Knik Road, Hazard ID 23488, Reckey 1983220035001, Facility ID 2540. On August 18, 2006 three soil samples were collected at 1 to 2 feet below ground surface behind the building. The whole area of concern behind the building could not be assessed because of the presence of tires and drums. Up to 463 mg/kg DRO, 5,180 mg/kg RRO, non-detect (<0.00791 mg/kg) benzene, non-detect (<0.0563 mg/kg) PCBs, and 10.3 mg/kg arsenic where the soil samples were collected. They did not collect GRO soil samples as required in the approved work plan. Need samples from the area behind the building to define the extent of the remaining contamination.

Action Information

Action Date Action Description DEC Staff
5/29/1992 Site Added to Database Waste oil. Former Staff
12/9/1992 Site Ranked Using the AHRM Initial ranking. Former Staff
6/25/2008 Exposure Tracking Model Ranking Site ranked on the new Exposure Tracking Model (ETM). The ETM is a new site ranking system that looks at, based on available data, the potential exposure pathways for the contamination remaining at the site. Robert Weimer
6/30/2008 Site Characterization Report Approved On August 18, 2006 three soil samples were collected at 1 to 2 feet below ground surface behind the building. The whole area of concern behind the building could not be assessed because of the presence of tires and drums. Up to 463 mg/kg DRO, 5,180 mg/kg RRO, non-detect (<0.00791 mg/kg) benzene, non-detect (<0.0563 mg/kg) PCBs, and 10.3 mg/kg arsenic where the soil samples were collected. They did not collect GRO soil samples as required in the approved workplan. The three planned soil borings near where contamination had been documented at the UST system were not done. Robert Weimer
5/13/2010 Update or Other Action EPA to send letter to current operator regarding their active injection well. The shop floor drains still go to the on-site sewer system, they believe there are 2 of them on this property. Robert Weimer
3/11/2011 Meeting or Teleconference Held Talked with current owner (Kevin Peterson). He said that EPA (Jennifer P) contacted him about assessing whether there was any contamination from the past discharge of the floor drains to the on property septic system or other on property disposal system. He said that he had plugged up the floor drains in the shop. We also discussed that there are two open contaminated sites for the property and further soil, groundwater, and drinking water sampling is required. He said he will contact the previous property owner (HR) about any work that has been done since March 2006, and who will be the lead/responsible for all of the follow up work. He said that the one drinking water well has been sampled each year but was not sure if it was sampled for petroleum. He will look into that and submit any petroleum sample results. Robert Weimer
3/22/2011 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 71947 1990 Used oil spill. Robert Weimer
8/5/2011 Site Characterization Workplan Approved On August 5, 2011 EPA conditionally approved a closure plan for two motor vehicle waste disposal wells at the site. The plan calls for plugging the floor drains that discharge into the on-site septic system and collecting soil samples from the soil/water interface of the septic system to assess for petroleum contamination by methods 8260 (VOCs), 8270 (SVOCs), and for the metals (arsenic, cadmium, chromium, and lead). Robert Weimer
12/8/2011 Update or Other Action EPA forwarded analytical results they received from the consultant who collected one soil sample from each of the two on property leach fields that had been previously hooked up to floor drains. The samples were analyzed for SVOCs, VOCs, and some metals. Up to 4.81 mg/kg Arsenic, 19.6 mg/kg Chromium, and 3.85 mg/kg Lead. SVOCs and VOCs were all non-detect at the two locations sampled. Need final report and complete copies of field notes to evaluate representativeness of the samples collected. Robert Weimer
5/24/2013 Site Visit Site visit to observe current site conditions. Robert Weimer
10/29/2013 Update or Other Action Talked with current owners represenative (who has just re-aquired the property), they plan to remove the existing UST system (needs to submit closure notice) and complete the assessment and cleanup of the remaining soil and groundwater contamination from the former UST system. He will provide copies of all sampling conducted since 2006, including any analysis for petroleum in the drinking water wells since 2006. DEC requested that he have his environmental firm submit a work plan for review and approval for collecting samples during the UST removal so the current USTs and past UST contamination can be assessed. They will also have a work plan submitted for the assessment of the contamiantion behind the building (CS site). Robert Weimer
12/14/2015 Update or Other Action Have not received the information discussed with the property owner on 10/29/2013. Robert Weimer
12/29/2017 Update or Other Action On March 1, 2017 provided copies of requested assessment reports to State of Alaska DOT for roadwork in the area. Robert Weimer
7/21/2020 Update or Other Action DOT requested information on this site due to the Knik-Goose Bay Road Widening project. Subsequent discussions with DOT indicated they have acquired 1800 South Knik-Goose Bay Road and plan to demolish the buildings at some point. Janice Wiegers
4/3/2023 Meeting or Teleconference Held DEC met with DOT staff to discuss upcoming construction activities. DOT plans to demolish the building first and then address contamination. Floor drains in the building were discussed, and follow up communication with EPA indicated that those floor drains had been investigated and the septic system had been classified as domestic waste system only. DEC and DOT also discussed an on-site drinking water well, which has been sampled in the past and did not contain contaminants. Janice Wiegers

Contaminant Information

Name Level Description Media Comments

Control Type

Type Details

Requirements

Description Details

There are no documents for this site report.

Hazard ID Site Name File Number
23488 Texaco - 1.5 Mile Knik Rd 2265.26.017

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