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Site Report: North Star Paving & Construction

Site Name: North Star Paving & Construction
Address: 44251 Frontier Avenue and 44484 Knight Drive, Soldotna, AK 99669
File Number: 2333.38.054
Hazard ID: 27188
Status: Active
Staff: Peter Campbell, 9072623412 peter.campbell@alaska.gov
Latitude: 60.500933
Longitude: -151.071464
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

In December 2019 and January 2020 a Phase I Environmental Site Assessment (ESA) and Phase II ESA were conducted at the North Star Paving & Construction facility in Soldotna. The area evaluated consists of three adjoining lots. The properties contain several buildings, including an office, vehicle and equipment maintenance shop, covered storage building, numerous CONEX containers, and multiple aboveground fuel storage tanks and 55-gallon drums. The site has been used as a gravel mining operation since at least the 1970s including storage and operation of a large volume of heavy equipment. Results of the Phase II ESA confirmed petroleum-contaminated soil at multiple locations on the site. One of these locations was under an oil/water separator adjacent to the east side of the maintenance shop, that was connected to a floor drain inside the shop. This system meets the definition of an EPA Class V Injection Well, but is not registered with EPA as required. A CONEX container had been placed on top of the oil/water separator manhole access and the system had not been maintained for six to eight years at the time of the Phase II ESA. Diesel range organics (DRO) up to 54,300 mg/kg and residual range organics up to 333,000 mg/kg were confirmed in subsurface soil at this location. Contamination was also confirmed in surface soil near a 10,000-gallon aboveground storage tank used to store used oil, located north of the maintenance shop. DRO, 1,2,4-trimethylbenzene, and naphthalene were detected in surface soil above DEC cleanup levels at this location. Ground water was not sampled as part of the Phase II ESA.

Action Information

Action Date Action Description DEC Staff
2/20/2020 Site Added to Database A new site has been added to the database Mitzi Read
2/24/2020 Update or Other Action Notify EPA Injection Well Program of floor drain removal. Peter Campbell
2/24/2020 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 80551 name: North Star Paving & Construction Mitzi Read
3/4/2020 Potentially Responsible Party/State Interest Letter Peter Campbell
3/10/2020 Report or Workplan Review - Other Review the Phase I Environmental Site Assessment. The site has fuel and used oil storage that requires a SPCC plan, the owner was notified. The shop building has a floor drain connected to an oil water seperator that discharges to a Class V Injection Well which was not registered with the EPA. Peter Campbell
3/10/2020 Report or Workplan Review - Other Review the Phase II ESA report. The primary issue at the site is a failed oil water seperator that has caused soils contamination in the Injection well. Secontary issues include soil staining at the shop. Peter Campbell
3/10/2020 Report or Workplan Review - Other Review and approve a work plan for the installation of five monitoring wells to determine if groundwater has been impacted from the injection well. Peter Campbell
5/19/2020 Workplan Requested approve Site Characterization Report and request work plan for soil remediation work. Peter Campbell
8/6/2020 Update or Other Action Tauriainen Engineering submitted a work plan to the EPA for the removal of the Class V injection well. Peter Campbell
3/15/2021 Report or Workplan Review - Other Review the Groundwater and Soil Sampling Report, Nov. 18, 2020. Request additional information (groundwater flow direction) and a work plan for additional assessment - extent of groundwater contamination. Peter Campbell

Contaminant Information

Name Level Description Media Comments

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No associated sites were found.

Missing Location Data

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