Action Date |
Action |
Description |
DEC Staff |
6/19/1995 |
Offsite Soil or Groundwater Disposal Approved |
The department approves thermal treatment of approximately 2.5 cubic yards of stockpiled contaminated soil. |
Kim DeRuyter |
6/19/1995 |
Site Added to Database |
Site added to database. |
Mike Krieber |
6/19/1995 |
Update or Other Action |
(Old R:Base Action Code = RAU - Remedial Actions Underway (General)). LUST corrective action underway. |
Mike Krieber |
6/19/1995 |
Leaking Underground Storage Tank Cleanup Initiated - Petroleum |
Site was originally entered in both the LUST and CS data base, consolidating actions under one entry. |
Kim DeRuyter |
6/19/1995 |
Update or Other Action |
(Old R:Base Action Code = RAPR - Remedial Action Plan Review (CS)). The department approves thermal treatment of approximately 2.5 cubic yards of stockpiled contaminated soil. |
Mike Krieber |
6/12/1998 |
Site Number Identifier Changed |
Change workplan from 00 to 01. |
Eileen Olson |
6/12/1998 |
Site Ranked Using the AHRM |
Ranking score from Patrick-Riley spreadsheet. |
Eileen Olson |
7/27/2006 |
Update or Other Action |
File number updated |
Kim DeRuyter |
6/25/2008 |
Exposure Tracking Model On Hold |
The site was ranked as a LUST ETM entry on 1/19/07. |
Kim DeRuyter |
11/25/2009 |
Exposure Tracking Model Ranking |
A new updated ranking with ETM has been completed for source area 78561 USTs. |
Melody Debenham |
8/21/2015 |
Exposure Tracking Model Ranking |
A new updated ranking with ETM has been completed for source area 78561 USTs. |
Melody Debenham |
10/27/2016 |
Update or Other Action |
Sent letter to FAA requesting additional site characterization. |
Melody Debenham |
10/4/2017 |
Update or Other Action |
Requested a site update from FAA via email. |
Jamie McKellar |
2/5/2018 |
Document, Report, or Work plan Review - other |
WORK PLAN APPROVAL: Big Lake Very High Frequency Omni-Directional Range (VOR) Final Remedial Investigation Work Plan, Revision 1. The purpose of this remedial investigation is to determine the vertical and horizontal extent of soil contamination, groundwater direction, whether groundwater has been impacted, and to evaluate the risk to human health and the environment. |
Jamie McKellar |
6/1/2018 |
Update or Other Action |
On 5/31/2018, DEC received Transport forms from UIC Science, LLC. UIC indicated that the Big Lake VORTAC RI will be taking place next week. Two drums of petroleum-contaminated soil and one drum of petroleum-contaminated development & purge water will be transported. Transport forms were signed and returned to FAA on 6/1/2018. |
Jamie McKellar |
4/9/2021 |
Document, Report, or Work plan Review - other |
REPORT APPROVAL: Final Big Lake VORTAC Release Investigation Report (Brice Environmental, April 2021) |
Jamie McKellar |
5/19/2022 |
Document, Report, or Work plan Review - other |
ADEC provides comments on the report titled "DRAFT BIG LAKE VORTAC GROUNDWATER MONITORING WORK PLAN" dated May 2022. The work plan details the groundwater collection methods and analytical procedures to be used during the groundwater monitoring event at the Big Lake VORTAC facility in Big Lake, Alaska during the 2022 field season. |
Sarah Mutter |
6/13/2022 |
Document, Report, or Work plan Review - other |
ADEC approves the "Final BIG LAKE VORTAC GROUNDWATER MONITORING BIG LAKE, ALASKA WORK PLAN" dated June, 2022. |
Sarah Mutter |
10/3/2022 |
Document, Report, or Work plan Review - other |
ADEC provides comments on the report titled "Federal Aviation Administration Big Lake VORTAC Groundwater Monitoring Pre-Draft Report Big Lake, Alaska" dated August 2022. The report details the sampling effort at four groundwater monitoring wells to assess whether petroleum hydrocarbons concentrations remain in the shallow groundwater at the Big Lake VORTAC facility in Big Lake, Alaska. |
Sarah Mutter |
10/31/2022 |
Document, Report, or Work plan Review - other |
ADEC approves the "Final BIG LAKE VORTAC GROUNDWATER MONITORING BIG LAKE, ALASKA Report" dated October, 2022. Results for all analytes, including naphthalene, reported concentrations less than ADEC’s
groundwater cleanup levels. Another sampling event performed at a similar time is recommended to ensure contaminant concentrations are stable and remain less than ADEC’s groundwater cleanup levels. |
Sarah Mutter |