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Site Report: FIA - Empire Airlines (#4)

Site Name: FIA - Empire Airlines (#4)
Address: FIA, West Ramp; 6104 Old Airport Road, Fairbanks, AK 99706
File Number: 100.26.034
Hazard ID: 24292
Status: Cleanup Complete - Institutional Controls
Staff: IC Unit, 9074655229 dec.icunit@alaska.gov
Latitude: 64.823369
Longitude: -147.854376
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

(rpltr)(FIA) A 500 gallon gasoline UST with a pump island and associated piping was removed from the site in 1991. A Dames and Moore 1991 SA/RI, reported that spills and overfills had resulted in POL contaminated soil. Confirmation samples showed total BTEX at 280 ppm and GRPH at 25,000 ppm. The SE sidewall of the excavation near the building foundation was sampled and GRPH results were 16,000 ppm. Fifty cubic yards of contaminated soil were stockpiled on site. Dames and Moore concluded that the contamination under the tank was limited to a small area, but the contamination had migrated beneath the building and had encompased an area at least 12 feet in diameter around the pump island. Monitoring wells and a SVE were installed in 1996. Benzene and GRO were reported above cleanup levels in groundwater samples in Dec 2000. A 500 gallon HOT was removed from the site in 2004. Two soil samples were taken from beneath the tank both were non detect for all analytes.

Action Information

Action Date Action Description DEC Staff
9/27/1991 Update or Other Action REM; Dames & Moore excavated 500 gallon gasoline tank and found BTEX at 280 ppm and TRPH at 25,000 ppm. Former Staff
9/27/1991 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 77927 ADD; LUST site. Former Staff
9/27/1991 Site Added to Database Former Staff
9/28/1991 Leaking Underground Storage Tank Cleanup Initiated - Petroleum LCAU; Thomas reported: 50 yards of contaminated soil was stockpiled on-site following a UST removal. Treatment option dependent on funding approval by FAP. : LCAU date changed DB conversion Former Staff
10/2/1991 Update or Other Action NOR; Timmons sent letter requesting site assessment. Former Staff
12/23/1991 Underground Storage Tank Site Characterization or Assessment SA1R; Reviewed site assessment plan. Concurred that additional analysis required. Former Staff
1/10/1992 Update or Other Action MEET; Met w/ADOT reps to discuss status of LUST site. Former Staff
3/3/1992 Update or Other Action RPL2; ADEC/Peterson sent PRP-CS Database Notification letter requesting PRP update and provide additional environmental information concerning the site. Empire Airlines responded 3/92. 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
1/12/1995 Update or Other Action UPD; SITE SUMMARY: UST Closure in 91 revealed soil contamination. DEC has had difficulty getting PRP to undertake Release Investigation. Extent of contamination unknown; however, Dames & Moore just submitted their Release Investigation report to PRP for review. Expect DEC copy shortly. GW believed to be impacted. Contact PRP if report not in by 3/1/95. Former Staff
8/30/1995 Site Visit FI; Met with DOT/FIA staff and John Beacham with Empire Airlines. Went over their closure and limited release investigation report. John agreed that Empire needs to take an corrective action. There additional tanks at the site, and Empire Airlines council reviewing their liability regarding those tanks. Former Staff
1/29/1996 Update or Other Action CORR; Received three letters from the Law Offices of Guess & Rudd, Anchorage, advising DEC, AG (E. Hickerson, 269-5210) and ADOT&PF (FAI)(Jane Brown,474-4522) respectively, that Guess & Rudd would be representing Empire Airlines (file#5452.1) for Mr. Jim Blair. (cc to Mr. Larry Tucker) Former Staff
5/2/1996 Update or Other Action Workplan submitted by AGRA Kim DeRuyter
6/12/1996 Update or Other Action Soil Sampling results received from AGRA, 4 soil vapor extraction systems and 1 MW installed. Kim DeRuyter
6/25/1996 Leaking Underground Storage Tank Corrective Action Underway CAPR; Review of a revised Corrective Action Plan submittal. The ADEC letter requested the CAP address six areas of concern: a level survey of the site, the delineation of the source of contamination, a soil temperature profile, air injection/soil vapor extraction, a review of USGS hydrologic reports, and continued groundwater monitoring. All of these (and more) should be addressed in the CAP in a well thought out and systematic approach to the remediation of the site before ADEC approval. Former Staff
11/20/1997 Update or Other Action ADEC sends Notification of Intent to Cost Recover Letter to Current Owner: EMPIRE AIRLINES, INC Former Staff
11/25/1997 Update or Other Action Remediating by Vapor Extraction; Larry Tucker; 667-5400 ext 142 Former Staff
10/11/1999 Update or Other Action Quarterly monitoring report received. Report includes SVE Exhaust Stack Results from 10/96 to 8/99, and groundwater sample results from September 1999. Benzene and GRO were detected above groundwater cleanup levels in MW-1 and SVE-3 Kim DeRuyter
1/29/2001 Update or Other Action Monitoring report received Benzene and GRO still elevated above clean up levels in the groundwater. Kim DeRuyter
2/9/2001 Update or Other Action John Carnahan requested a Conceptual Site Model documenting soil contamination at the site. Kim DeRuyter
9/20/2004 Update or Other Action Tank closure and site assessment report received for a 500-gallon HOT removed from the site. Two samples taken from beneath this tank were non detect for all analytes. Kim DeRuyter
6/8/2005 Update or Other Action Contacted Kristen DuBois (ADOT&PF) The RP has hired Shannon & Wilson to re-establish the wells, collect samples and possibly do some soil boring this summer. Empire is planing to request a NFRAP after this summers sampling event. Kim DeRuyter
3/3/2006 Update or Other Action Planed 2005 work was not done, PM sent letter outlining requirements for site closure. Kim DeRuyter
3/6/2006 Update or Other Action Received phone call from RP. Plans to further characterize the site this summer in hope of attaining site closure. The wells were capped last year to allow for paving, but should still be viable. Kim DeRuyter
7/25/2006 Underground Storage Tank Site Characterization or Assessment Site Assessment work plan received the work plan proposes to collect soil and groundwater samples in the former source areas to assess the current conditions at the site. Kim DeRuyter
2/21/2008 Underground Storage Tank Site Characterization or Assessment SA revealed contamination in gw and soil on site. Offsite migration needs to be addressed with down gradient wells. ADEC proposed that well points be established along airport way property line. Also need to address soil contamination left in place after excavations. Highest gw concentrations at 230 ppb benzene. However, substantial decrease in plume concentrations have occurred. Should expect workplan in Spring 08. Former Staff
3/3/2008 Exposure Tracking Model Ranking Initial ETM ranking complete Neal Everson
3/2/2009 Update or Other Action Reviewed downgradient well point installation and data collection. It appears that contamination is not migrating off-site. Sent a letter to RP requesting that other contaminants of concern be tested for (EDB and EDC). Neal Everson
9/2/2009 Update or Other Action ADEC project management transferred from Neal Everson to Tamara Cardona-Marek Janice Wiegers
9/17/2009 Update or Other Action Sent letter to RP as a reminder of the action srequested by previous project manager and to inform him that project management activities have been transferred. Tamara Cardona-Marek
5/26/2010 Update or Other Action DEC requested that Empire sample for sulfolane one well within the source area to determine if sulfolane may be a COC. Empire has agreed to sample this field season. Tamara Cardona-Marek
3/30/2011 Document, Report, or Work plan Review - other DEC received the 2010 groundwater Monitoring Results. Two of the six groundwater monitoing wells contained benzene at levels of 6.14 and 6.70 ppb. No other contaminants detected. Tamara Cardona-Marek
6/27/2011 Institutional Control Record Established IC's established for site closure. Tamara Cardona-Marek
6/27/2011 Cleanup Complete Determination Issued Cleanup Complete with IC's Tamara Cardona-Marek
8/30/2011 Institutional Control Update Shannon and Wilson requested an extension of the deadline for well decommissioning. Deadline has been extended through August 2012. Tamara Cardona-Marek
11/8/2012 Update or Other Action Shannon and Wilson requested an extension for the decommissioning of the wells until 8/15/2013. Tamara Cardona-Marek
7/3/2013 Institutional Control Compliance Review IC compliance review conducted and staff changed from Tamara Cardona-Marek to IC Unit. Reminder system set-up to follow-up on decommissioning of the monitoring wells in August 2013. Kristin Thompson
9/4/2013 Update or Other Action Site symbol visually adjusted using ArcGIS, Bing and Google Satellite imagery and documents from file. 64.823369, -147.854376. 9/4/13; MLB. Michelle Barnes
12/4/2013 Institutional Control Update An IC reminder letter was issued to the responsible party on this date. Kristin Thompson
12/17/2013 Institutional Control Update The responsible party responded to the IC reminder letter via telephone. As far as he knows the wells have not been decommissioned yet. He is going to have a Shannon & Wilson representative call me back to give us an idea on when the wells will be closed. Evonne Reese
12/17/2013 Institutional Control Update A Shannon & Wilson representative called me and said that due to site access and spring thaw they won't be able to decommission the monitoring wells until end of August 2014. This has been documented in the reminder system. Evonne Reese
10/15/2015 Institutional Control Update Received Shannon & Wilson's groundwater monitoring well decommissioning report which documents the on-site decommissioning of the remaining two groundwater monitoring and four air-sparging wells in accordance with ADEC guidance. The monitoring well decommissioning IC requirement has been removed. Reminder system re-set to follow up in 3 years. Kristin Thompson
1/22/2019 Institutional Control Update An Institutional Controls verification letter was issued to the landowner via e-mail on this date. Mossy Mead

Contaminant Information

Name Level Description Media Comments
DRO Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil
Benzene > Table C Groundwater

Control Type

Type Details
Signed CS Determination IC agreement signed by RP, landowner (DOT) and DEC.
Other 1. Any change in use or development on the property that may impact the exposure assumptions cited in this document must be reported to DEC prior to initiating. Such changes include but are not limited to soil excavations, installation of soil borings, installation of wells for any groundwater use, construction of new buildings or additions to the existing ones, demolition of existing structures, etc. If changes on the property use or development occur, current ICs may not be protective and ADEC may require additional remediation and/or ICs. Therefore FAI –DOT&PF shall report to ADEC every time a change or development project occurs on the property and every time a new leaseholder or sub-lessee assumes the lease for this lot. Reporting shall occur as soon as FAI- DOT &PF becomes aware of the event. The report can be sent to the local ADEC office or electronically to DEC.ICUnit@alaska.gov.

Requirements

Description Details
Groundwater Use Restrictions Installation of groundwater wells will require approval from ADEC and the FAI DOT&PF Leasing Office.
New Construction Restrictions If changes on the property use or development occur, current ICs may not be protective and ADEC may require additional remediation and/or ICs. Therefore FAI –DOT&PF shall report to ADEC every time a change or development project occurs on the property and every time a new leaseholder or sub-lessee assumes the lease for this lot.
Advance approval required to transport soil or groundwater off-site. Any proposal to transport soil or groundwater off site requires ADEC approval in accordance with 18 AAC 78.600(h). A “site” [as defined by 18 AAC 75.990 (115)] means an area that is contaminated, including areas contaminated by the migration of hazardous substances from a source area, regardless of property ownership.
Hazard ID Site Name File Number
25457 FIA - Sitewide 100.38.079

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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
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