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Site Report: FAA - FIA - Headquarters Compound

Site Name: FAA - FIA - Headquarters Compound
Address: 5640 Airport Way; Fairbanks Int. Airport;, Fairbanks, AK 99709
File Number: 100.26.138
Hazard ID: 24469
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 64.831689
Longitude: -147.843263
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

This site consists of underground storage tanks 4-E-1 through 4-E-7 (excluding 4-E-3), and 4-E-10 through 4-E-12. These tanks were used to store diesel, heating oil, gasoline, and waste oil. Some contaminated soil and groundwater remained after these tanks were decommissioned. Several floor drains and small areas of stained soil were also reported. A Record of Decision (ROD) was developed and agreed upon by Federal Aviation Administration (FAA) and Alaska Department of Environmental Conservation (DEC) on December 10, 2015. This decision document covers all Areas of Concern (AOCs) identified by the FAA associated with the Fairbanks International Airport (FIA) over the history of FAA cleanup activities, and its intent is to consolidate and record the status of all AOCs in a single document. Multiple source areas at this site were given "cleanup complete" determinations in this document, as recorded in the actions. One site, Building 202, Former UST 4-E-3 was removed from this site listing and established as a new CS database record in order to document Cleanup Complete with ICs.

Action Information

Action Date Action Description DEC Staff
7/7/1995 Underground Storage Tank Site Characterization or Assessment Tanks 4-E-5, 11, & 12: Decommissioned and SA completed. Former Staff
2/7/1996 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 77940 ADD; Site added. Former Staff
2/7/1996 Site Added to Database Former Staff
3/4/1997 Leaking Underground Storage Tank Cleanup Initiated - Petroleum LCAU; : LCAU date changed DB conversion Former Staff
3/30/2005 Update or Other Action Staff reviewed tank decommissioning reports for USTs 4-D-2, 4-E-2, 4-E-6, 4-E-13, 4-F-1 and 4-I-1. These tanks held either diesel or waste oil (4-E-13). All tanks except 4-E-13 were excavated in the mid-1990s. Soil samples from the excavations were tested for DRO and BTEX. All tanks except 4-E-2 were clean closures becauses contaminants were either not detected or were detected at concentrations below Method 2 cleanup levels. Excavated soil was thermally treated at OIT or, if clean, returned to the excavation. A release investigation for tank 4-E-2 was conducted in 1997. The lateral extent of soil contaimation was delineated and 4 Microwells were installed. Groundwater was monitored quarterly. BTEX was not detected and DRO concentrations had decreased to less than Table C cleanup levels. Tank 4-E-13 was a used oil tank under a building. Soil samples were collected by drilling through the floor. Four samples around the tank were tested for GRO, DRO, RRO, and BTEX. All samples were below Method 2 cleanup levels and the tank was closed in place. Staff sent the FAA a letter informing them that these tanks do not require additional remedial action or investigation but the site will remain open until contamination for other tanks has been addressed. Sharon Richmond
6/29/2005 Document, Report, or Work plan Review - other Reviewed file to identify areas of concern and determine overall site status. Sharon Richmond
7/28/2005 Update or Other Action Contaminated sites staff met with the Federal Aviation Administration (FAA) to discuss closure of multiple facilities at the Fairbanks International Airport. Thirty two underground storage tanks, three floor drains, and twenty four transformers were decommissioned in the mid-1990s. Release investigations indicate that most areas appear to qualify for no further remedial action planned (NFRAP) status. The extended meeting ws very productive and the FAA and DEC intend to continue with this approach for achieving site closures. Sharon Richmond
12/29/2009 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 77940 name: multiple former USTs Tana Robert
9/10/2014 Update or Other Action Staff transferred from Fred Vreeman to Keri DePalma Keri DePalma
1/20/2015 Update or Other Action According to correspondence with FAA project managers, Headquarters Buildings 202 at West Side; 202 and 404;207 at South Side; 300 at NE Side Remedial Action (RA) planning is scheduled to begin in FY21 (the estimated life of the buildings),followed by RA in FY22. Keri DePalma
6/24/2015 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 79781 name: Building 202 and 404 USTs 4-E-11 and 4-E-12 Monte Garroutte
6/25/2015 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 79782 name: FAA Headquarters Building 203, Former UST 4-E-2 Monte Garroutte
6/25/2015 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 79780 name: Building 207 and 300 USTs 4-E-4 and 4-E-5 Monte Garroutte
6/26/2015 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 79784 name: FAA Headquarters Building 202, Former UST 4-E-3 Monte Garroutte
9/9/2015 Update or Other Action The Alaska Department of Environmental Conservation (DEC) completed a comprehensive review of the historical, closed, and currently active contaminated sites at the Federal Aviation Administration (FAA) Station – Fairbanks International Airport (FIA), Alaska. Following this review, DEC determined the site status of each area of concern (AOC), and developed a decision document to record these determinations. This includes the closure of multiple AOCs, some with the implementation of institutional controls. The current status for each AOC, the history of each site, contaminated sites program database updates, and the site status determinations are contained within this decision document, which was sent to FAA on this date. Monte Garroutte
12/29/2015 Update or Other Action As recorded in the FAA Station - Fairbanks International Airport, Alaska Decision document on 12/10/2015, source area 79780, Building 207 and 300 USTs 4-E-4 and 4-E-5, has been given a "Cleanup Complete" with no ICs determination. Monte Garroutte
12/29/2015 Update or Other Action As recorded in the FAA Station - Fairbanks International Airport, Alaska Decision document on 12/10/2015, source area 79781, Building 202 and 404 USTs 4-E-11 and 4-E-12, has been given a "Cleanup Complete" with no ICs determination. Monte Garroutte
12/29/2015 Update or Other Action As recorded in the FAA Station - Fairbanks International Airport, Alaska Decision document on 12/10/2015, source area 79782, FAA Headquarters Building 203, Former UST 4-E-2, has been given a "Cleanup Complete" with no ICs determination. Monte Garroutte
12/29/2015 Update or Other Action As recorded in the FAA Station - Fairbanks International Airport, Alaska Decision document on 12/10/2015, source area 79784, FAA Headquarters Building 202, Former UST 4-E-3, has been given a "Cleanup Complete with ICs” determination. Uncharacterized contamination evidently extends under Building 202. Sampling near the building’s foundation indicate DRO is present at concentrations exceeding the DEC Method 2 under 40 inch zone Migration to Groundwater Cleanup Levels. In addition, based on the HRC calculations, it appears that the Building 202, Former UST 4-E-3 AOC is not eligible for a Cleanup Complete determination due to DRO aliphatics in the soil direct contact pathway that pose unacceptable risk under a residential land use scenario. However, the contamination is isolated to the depth of 8-14 feet bgs, where it is unlikely to impact potential receptors if left undisturbed. The HRC results indicate that the outdoor air vapor inhalation, indoor air vapor inhalation, and groundwater ingestion pathways pose acceptable risk and the migration to groundwater criteria have been attained in surface and subsurface soils in accordance with 18 AAC 75.340. DEC has determined there is no unacceptable risk to human health or the environment as long as the contamination is properly managed. Monitoring has confirmed that there is no impact to groundwater above cleanup levels, and surface water migration is unlikely given the remaining contaminant mass, distance from the nearest surface water body, and known contaminant concentrations. Exposure to the direct contact pathway will be controlled with ICs. [See Hazard ID 27024] Monte Garroutte
12/29/2015 Institutional Control Record Established Institutional Controls established and entered into the database. Monte Garroutte
3/7/2019 Institutional Control Record Removed Institutional Controls have been removed. John Carnahan
3/7/2019 Update or Other Action In reference to 'IC's Removed,' IC's were only required for Bldg 202 Former Tank 4-E-3, which was separated from this site listing into another site such that remaining Source Areas at FAA Headquarters Compound could be closed without ICs. See HID 27024 for Tank 4-E-3 site listing. John Carnahan
3/7/2019 Cleanup Complete Determination Issued Pursuant to the December 2015 Decision Document, and the separation of Building 202, Former UST 4-E-3 from this record, all sites associated with the FAA Headquarters Compound have been assigned Cleanup Complete determinations (with NO institutional controls), with the exception of Building 202, Former UST 4-E-3, which is documented under separate database record. John Carnahan

Contaminant Information

Name Level Description Media Comments
DRO < 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)
Hazard ID Site Name File Number
25912 FAA - FIA - Headquarters Facility Bldgs 300 and 207 Floor Drains 100.38.243

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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