Action Date |
Action |
Description |
DEC Staff |
1/20/1995 |
Site Added to Database |
File# 780.38.001. |
Steve Bainbridge |
9/16/1998 |
Update or Other Action |
ADEC review letter for draft workplan dated August 21, 1998 (date of final workplan was September 1998). |
Eileen Olson |
10/2/1998 |
Site Characterization Workplan Approved |
ADEC approval letter for "Pre-Field Planning Document, Tanana FAA Station, Release Investigation Plan and Quality Assurance Project Plan" with cover letter dated August 26, 1998 and "Addendum to Pre-Field Planning Document, Tanana FAA Station" dated September 1998. |
Eileen Olson |
7/15/1999 |
Meeting or Teleconference Held |
Meeting with FAA and contractor representatives to discuss characterization of contaminated groundwater and other site issues. |
Eileen Olson |
8/6/1999 |
Update or Other Action |
ADEC letter reviewing "Release Investigation Report, Fuel Storage Tank Management Program and Expanded Site Investigation/Interim Cleanup, Tanana, Alaska" dated May 1999. |
Eileen Olson |
8/17/1999 |
Meeting or Teleconference Held |
Site visit with FAA and contractor representatives. |
Eileen Olson |
9/21/1999 |
Meeting or Teleconference Held |
ADEC staff met with FAA staff and contractors to discuss the September 1999 work plan for FAA’s Tanana Station. |
Eileen Olson |
9/23/1999 |
Site Characterization Workplan Approved |
ADEC letter issued which conditionally approved September 1999 workplan titled "Pre-Field Planning Document: Cleanup, Tanana, Alaska." |
Eileen Olson |
10/14/1999 |
Site Ranked Using the AHRM |
Initial ranking. |
Eileen Olson |
7/25/2001 |
Meeting or Teleconference Held |
Brief meeting with Jim Swalling of FAA to discuss monitoring well status; dataloggers collecting information on water levels through September/October 2001. Recommended baildown tests for free product during meeting and follow-up email. According to Swalling, draft feas. study stated that free product recovery from two of the wells is feasible. |
Eileen Olson |
2/27/2002 |
Update or Other Action |
Returned call to Herbie Edwin (907) 366-7208. |
Eileen Olson |
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 monitoring 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 |
8/25/2004 |
Update or Other Action |
FAA provided a corrected Decommissioning Assessment for AST B-15-12. The original report erroneously stated that 5cy of contaminated soil was removed from beneath the tank when it was decommissioned. Actually, the soil was removed from beneath piping located 6.5' west of the tank. |
Sharon Richmond |
3/30/2006 |
Update or Other Action |
Phone call and emails regarding post-treatment testing of fuel-contaminated soil. FAA intends to thermally treat approximately 1240 CY of stockpiled soil. 10 post-treatment samples will be analyzed for GRO, DRO and BTEX. A work plan will be submitted in May 2006 for work to be completed summer 2006. |
Sharon Richmond |
6/29/2006 |
Update or Other Action |
Staff provided written response to FAA request for a conditional closure. Although DEC agreed with most of the conclusions presented in the request, the fact that DRO concentrations are ~78,000 mg/kg, free product still remains, and benzene concentrations in groundwater are as high as 200 ug/L, closure could not be considered at this time. |
Sharon Richmond |
9/11/2006 |
Cleanup Plan Approved |
Staff received Final Work Plan for UST Decommissioning and Soil Remediation dated August 25, 2006. FAA and DEC communicated via email and teleconference regularly during the development of this work plan. |
Sharon Richmond |
9/6/2007 |
Update or Other Action |
The Contaminated Sites project manager spoke with a resident of Tanana who stated that the FAA's contractor left a dump truck with a load of dirt on his property. The FAA was contacted about this inquiry and will address the property owner's concerns. |
Sharon Richmond |
3/13/2008 |
Exposure Tracking Model Ranking |
Initial ranking with ETM completed for some source areas. BLM/AK Fire Service Housing Complex Tanana (RecKey 1993310126601) and FAA Tanana FABLM/AK FIre Serv. F.S. (Reckey 1989310902514) rankings on hold. Much of the information for these sites is contained within this file. |
Sharon Richmond |
4/16/2008 |
Update or Other Action |
FAA submitted a request for clean closures of USTs: 15-B-017; 15-B-007; 15-B-001; 15-A-001; 15-B-011; and 15-B-008. Request letter states that all confirmation samples from all excavations were below ADEC cleanup levels for GRO, DRO, and BTEX. Contaminated soil from all tank excavations was placed in the common site stockpile, which has since been treated. Staff should check TAL-Decommissioning Assessment_Vol_1_And_2 Jul_98 for analytical data sheets before sending closure letter. |
Sharon Richmond |
4/1/2009 |
Update or Other Action |
Site review - reassign site to Debenham |
Fred Vreeman |
5/12/2015 |
Cleanup Complete Determination Issued |
|
Monte Garroutte |
7/28/2015 |
Exposure Tracking Model Ranking |
A new updated ranking with ETM has been completed for source area 78328 VORTAC UST 15-A-001. |
Monte Garroutte |