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Site Report: FAA Northway (B) 52-A-17 Basketball Court

Site Name: FAA Northway (B) 52-A-17 Basketball Court
Address: Northway Airstrip, Alaska Highway, Northway, AK 99764
File Number: 170.26.008
Hazard ID: 23343
Status: Active
Staff: Sarah Durand, 9074655229 sarah.durand@alaska.gov
Latitude: 62.962156
Longitude: -141.931222
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 FY92, a 5,000-gallon diesel UST (52-A-17) was decommissioned at the former CAA Garage/Basketball Court Area. Approximately 35 cu. Yds of potentially fuel-affected soil were excavated from an area of approximately 684 sq. ft and stockpiled on a liner. Soil samples were collected from the stockpiled soil and detected EPH concentrations of 175 mg/kg. Groundwater was encountered above the top of the tank. The tank floated partially out of the ground after the concrete pad was removed. The groundwater had a visible fuel sheen and odor. During a FY92 release investigation (HLA May 20, 1993), a groundwater monitoring well was installed. Site historically known as 'CAA Garage.'

Action Information

Action Date Action Description DEC Staff
9/12/1992 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 77653 ADD; Former Staff
9/12/1992 Site Added to Database Former Staff
9/25/1992 Leaking Underground Storage Tank Cleanup Initiated - Petroleum LCAU; HUNG: 5,000 gals. diesel UST (HOT) excavated 9/25/92. Soil and ground water impacted. Contaminated soil returned to pit -- approx. 40 cubic yards. RI and CAP reports in progress. Former Staff
9/30/1992 Update or Other Action NOR; Former Staff
2/23/1993 Update or Other Action RPL2; Peterson sent PRP-CS Database Notification Letter to RP requesting update and more environmental information concerning the contaminated site. RP responded with corrections on ADEC site report. Former Staff
6/6/1994 Update or Other Action CORR; Wingerter sent letter informing RP of their financial liability under new ADEC cost recovery policy. State is authorized, under Section 9003(h) of the Resource Conservation and Recovery Act to take action on this LUST facility. Former Staff
9/29/1994 Update or Other Action TECH; DUPEE: Consulted with Larry Acomb, consultant for Northway LUST project, regarding CAP. He stated permafrost will not affect air sparging, soils are not as fine as initially thought; they will adjust blower to force more air through soils. Mounding not a problem, product is old with low solubility. VOCs are estimated to be low, probably won't do fertilizer and no studies are planned for microbes. Stated project will begin next May 1995. Subsequently sent letter further addressing DEC concerns over this remediation plan. Former Staff
10/5/1994 Update or Other Action UPD; DUPEE: Reviewed and updated file. Former Staff
10/17/1994 Update or Other Action CAPR; DUPEE: Reviewed Corrective Action Plan dated 04/20/94. Sent ltr. dated 10/17/94 requesting additional information on proposed remediation plan not contained in CAP. Former Staff
10/17/1994 Release Investigation RELR; DUPEE: Reviewed Harding Lawson Associates Release Investigation dated 05/20/93. Extensive groundwater and soil contamination. Addressed contamination in letter dated 10/17/94 concerning RI and CAP. Former Staff
9/18/2002 Update or Other Action Sent letter requesting groundwater monitoring for all existing wells on site, with a schedule of monitoring to be submitted by March 31, 2003 and the monitroing to be complete by June 30, 2003. Elizabeth Stergiou
9/4/2003 Update or Other Action ADEC approved the workplan for the Fall 2003 Sampling and Analysis Plan for various sites. Deborah Williams
9/19/2003 Update or Other Action Sent general letter requesting the following documents be submitted by 10/1/02: remedial action report for work completed in 2000. Elizabeth Stergiou
2/22/2007 Exposure Tracking Model Ranking Baseline Ranking. Jill Taylor
11/4/2015 Update or Other Action Site management reassigned to Carnahan. John Carnahan
3/13/2017 Document, Report, or Work plan Review - other Provide comments on work plan to address RI at multiple sites: Haz IDs 1698, 23343, and 4705. John Carnahan
4/18/2017 Update or Other Action Letter sent to FAA requesting information on status of the investigations at these sites. John Carnahan
5/3/2017 Site Characterization Workplan Approved Provide approval for FINAL WP FAA RI Northway Field FAA Sta, April 2017. John Carnahan
11/13/2017 Document, Report, or Work plan Review - other Provided DEC review comments to 2016 Draft RI for three sites, Bldg 600, Bldg 601, and Basketball Court. John Carnahan
3/1/2019 Update or Other Action Received Site Characterization report for three sites for work completed in 2017. Report was delayed due to DEC review and approval of HRC calculator. John Carnahan
4/16/2019 Institutional Control Update DNR (Patty Burns - email this day) reviewed the DNR’s management agreement file, ADL 416177, and the deed for the land in question (attached) and determined that the land associated with this site was deeded to DOT under the authority of the Alaska Omnibus Act, June 25, 1959. As a result, DNR has no landowner interest in the site and there is no need for DNR to concur with proposed institutional controls. John Carnahan
6/2/2021 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 77653 LUST. Tim Sharp
6/10/2021 Document, Report, or Work plan Review - other DEC sent comments on the draft 2021 RI and GWM WP. The Radio Range Tower, Power Plant Building, Water Treatment Building, and CAA Former Garage building will have work done at their locations. Surface soils and surface water will be sampled for lead and PCBs at the Radio Range Tower. Existing groundwater wells will be sampled for GRO, DRO, VOCs, PAHs at the PPB and WTB AOCs. At the Garage AOC, soil borings and groundwater monitoring wells will be installed and sampled and run for all POL CoCs, with the addition of EPH and VPH for use in HRC calculations. Tim Sharp
8/30/2021 Site Characterization Workplan Approved ADEC approved the Final RI and GWM WP for the FAA Northway sites. Soil borings and monitoring wells will be installed and sampled at the CAA Garage AOC, and the HRC will be used to assess if the contaminants exceed risk criteria. Surface soils and surface water will be sampled for lead and PCBs at the Former Radio Range Tower and other groundwater wells will be sampled at other AOCs for GRO, DRO, VOCs, and PAHs. Tim Sharp
5/5/2022 Document, Report, or Work plan Review - other ADEC sent comments on the 2021 Draft RI and Groundwater Monitoring Report for FAA Northway Station. The report details efforts to characterize and monitor contamination at several areas of concern (AOCs). Soil borings and monitoring wells were installed and sampled at the Former Civil Aeronautics Administration (CAA) Garage AOC, also known as the Basketball Court site. The Hydrocarbon Risk Calculator (HRC) was used to assess remaining risk criteria. Surface soils were sampled for lead and polychlorinated biphenyls (PCBs) at the Former Radio Range Tower AOC. Groundwater monitoring was conducted at five other AOCs. Tim Sharp
9/9/2022 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 77653 LUST. Tim Sharp
10/24/2022 Update or Other Action On October 21, 2022 ADEC approved the Final Remedial Investigation and Groundwater Monitoring Report. Further monitoring wells are recommended to be installed to the south, east, and west of the source area and sampled for approximately five years. Alyssa Wood

Contaminant Information

Name Level Description Media Comments

Control Type

Type Details

Requirements

Description Details

There are no documents for this site report.

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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