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Site Report: Delta Western Juneau Airport Fuel Storage


Site Name: Delta Western Juneau Airport Fuel Storage
Address: 9203 Cessna Drive; Juneau International Airport, Juneau, AK 99801
File Number: 1513.26.046
Hazard ID: 23308
Status: Cleanup Complete
Staff: ,
Latitude: 58.362327
Longitude: -134.588998
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

A 25,000-gallon underground storage tank (UST) for aviation fuel was closed by removal. Soil analysis detected 97,612 parts per million (ppm) benzene, toluene, ethylbenzene, and xylenes (Total BTEX) and 3,400 ppm gasoline range hydrocarbons (GRO) in soil surrounding the UST. Petroleum impacted soil was evident at the surface and beneath the tank. Contamination to the groundwater is greatest in the diesel range hydrocarbons (DRO); speculation that petroleum did not escape the UST resulted in no additional soil analysis for gasoline and Jet A fuel additives such as lead.

Action Information

Action Date Action Description DEC Staff
11/4/1998 Leaking Underground Storage Tank Cleanup Initiated - Petroleum Entered by JC (QAQC work) * Not Assigned
11/4/1998 Underground Storage Tank Site Characterization or Assessment * Not Assigned
11/4/1998 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 77956 (Added by System) * Not Assigned
11/4/1998 Site Added to Database * Not Assigned
5/21/1999 Site Visit Site visit on 5/14/99 by Dick Farnell & Sally Schlichting of DEC and Jason Ginter consultant. Viewed former UST location and confirmed improbability of contamination detected at UST closure as coming from UST due to elevation differences and lateral distances. Letter sent to Delta Western 5/21/99 stated that contamination found did not come from the UST, but that release investigation still needed (by property owner - City) to determine nature and extent of contamination. City (Alan Heese of Airport staff) was encouraged to take a groundwater sample from point of groundwater flow exit into construction excavation for Duck Creek culvert installation to check for petroleum. Case still open. * Not Assigned
9/26/1999 Underground Storage Tank Site Characterization or Assessment RRM Assessment for Chevron advanced 14 borings to collect subsurface soil and water samples then sampled the contaminated material stockpile. Gasoline range hydrocarbons were detected at concentration of 2,120ppm in boring B-6-; 112ppm in B-7; 140ppm in B-8. GRO in ground water reached 500ppm in B-6, 13.8 GRO in B-7, 9.8 GRO in B-1 and 3.54 GRO in B-2. All DRO and RRO samples were treated by silica gel before analysis; not the GRO samples. Most stringent cleanup levels for contaminated media are recommended for a residential exposure scenario. Bruce Wanstall
10/2/2001 Update or Other Action Changed Project Manager from Paul Horwath to Bill Janes Cynthia Pring-Ham
8/21/2002 Update or Other Action RECKEY has automatically been generated. Cynthia Pring-Ham
12/30/2002 Update or Other Action ADMINISTRATIVE SITE CLOSURE based on informtion in 5/21/99 email below. Concurrent investigation in C-Sites under name "Juneau Airport Fueling Facility." Cleanup has occurred and annual gw monitoring has been implemented under the C-Sites project. Bill Janes
4/14/2006 Leaking Underground Storage Tank Corrective Action Underway Meeting with Stacy Hartung-Freirchs (Chevron), John Riggi (Cambria), John Cooper (Cooper Consulting Engineer Inc), Bill Janes and Bruce Wanstall concerning new construction on Lots 5 & 6 that is adjacent to the subsurface petroleum smear zone on Lot 8B. Wanstall and Cooper inspected the site in the afternoon; Wanstall assumes site project management. Bruce Wanstall
6/2/2006 Site Visit Attended soil boring site investigation at the facility with airport personel and Cambria Environmental representing Chevron Environmental. The pattern of subsurface contamination appeared consistent with conclusions arrived at during the April boring inspection. Samples were collected for laboratory analysis from Lots 5 & 6 in the JIA Fuel Facility proposed new development area. Bruce Wanstall
7/20/2006 Release Investigation Meeting with Cooper Engineering, Chevron, Delta Western, and Juneau International Airport staff to develop plans to address a pocket of contamination at the facility that intersects with a current development project. Bruce Wanstall
8/21/2006 Long Term Monitoring Established Review and approve Cambria Site Characterization Report and Ground Water monitoring Workplan Bruce Wanstall
4/4/2007 Release Investigation The ADEC and Chevron met with the Juneau Airport Board of Directors to review the proposed plans for future development of the properties that comprise the facility. The ADEC had requested development of a management plan in the event that petroleum contaminated material is encountered on Lots 5 & 6 during development related earthwork activities. Chevron introduced plans to install an ozone injection remedial system for reducing dissolved-phase hydrocarbons in groundwater in site monitoring well MW-4. Bruce Wanstall
7/23/2007 Release Investigation Plans for development involving earthwork on Lots 5 & 6 at the JIA facility are presently on hold. A low flow ozone diffuser equipped with a solar panel is a remedial strategy under consideration by Chevron to reduce diesel range hydrocarbons in shallow subsurface soil and groundwater at the site. Bruce Wanstall
9/6/2007 Leaking Underground Storage Tank Corrective Action Underway ADEC approved the installation of a solar powered ozone injection device to remediate residual diesel contamination of soil and ground water at the Juneau Airport Fueling Facility. Visit the Site Summary published soon on the Contaminated Sites Program webpage to view photos and to obtain additional information. Bruce Wanstall
3/21/2008 Report or Workplan Review - Other ADEC reviewed Annual 2007 Groundwater Monitoring and Remedial Actions Report for MW-4 at the facility. The CRA report data meet Contaminated Sites Program quality assurance standards and are accepted. Bruce Wanstall
3/25/2008 Report or Workplan Review - Other ADEC review of the Residential Sampling Report for the laboratory checklist. Data meet Contaminated Sites Program quality assurance standard. Bruce Wanstall
3/27/2008 Exposure Tracking Model Ranking ADEC reviewed the CRA Conceptual Site Model and evaluated site conditions using the ETM and 2007 site data. ADEC approval and comment on the 2007 GMR, Residential Sampling Report and the CSM was sent to CRA and Chevron. Bruce Wanstall
6/13/2008 Update or Other Action ADEC approves reduction of the sample analyte list for future ground water monitoring of MW-4. Bruce Wanstall
7/24/2009 Report or Workplan Review - Other ADEC reviewed and approves the 2008 GMRs for data quality. Diesel contamination of ground water is in decline but concentrations still exceed regulatory cleanup levels. Active treatment and monitoring will continue in 2009. Bruce Wanstall
10/13/2010 Report or Workplan Review - Other ADEC approved field and laboratory data in Annual 2009 Groundwater Monitoring Report and Ozone System Maintenance Report by Conestoga Rovers & Associates. Diesel contamination of ground water is in stable in concentrations still exceeding regulatory cleanup levels. Active treatment and monitoring will continue in 2010. Bruce Wanstall
10/15/2010 Report or Workplan Review - Other DEC approved the Annual 2010 Groundwater Monitoring Report and Ozone System Maintenance Report by Conestoga Rovers & Associates. Diesel contamination of ground water is in stable in concentrations still exceeding regulatory cleanup levels. Active treatment and monitoring will continue in 2011. Bruce Wanstall
10/24/2011 Report or Workplan Review - Other DEC approves disposal of the well purge water to the ground surface at the site where residual petroleum soil contamination is present near MW-4 at the bulk fuel storage site. Bruce Wanstall
10/15/2012 Report or Workplan Review - Other DEC approved Annual 2011 Groundwater Monitoring and Ozone System Maintenance Report by CRA documenting groundwater monitoring at the Chevron Site 8-2307, Hazard ID 2987. Dissolved DRO in groundwater remains an order of magnitude above the Table C DRO cleanup level of 1.5 mg/L. Bruce Wanstall
12/31/2012 Cleanup Complete Determination Issued ADMINISTRATIVE SITE CLOSURE based on concurrent site investigation, active remediation and groundwater monitoring under the site name "Juneau Airport Fueling Facility" with Hazard ID 2987 and DEC file 1513.38.008 Bruce Wanstall
12/31/2012 Long Term Monitoring Complete Administrative action on 5/1/2013. Kristin Brown

Contaminant Information

Name Level Description Media Comments
DRO > Table C Groundwater

Control Type

Type Details
No ICs Required

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.

There are no documents for this site report.

Missing Location Data

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