| Action Date |
Action |
Description |
DEC Staff |
| 8/30/1994 |
Update or Other Action |
The ADEC Contaminated Site Program sent a letter to the USAF confirming that a suspected release was reported on August 30, 1994. The date of the release was unknown, but was presumed to have happened prior to August 30, 1994 when a failed tank tightness test occurred. The ADEC required corrective action to take place, including determining the nature and extent of the release. |
Former Staff |
| 8/30/1994 |
Leaking Underground Storage Tank Release Confirmed - Petroleum |
LUST Site created in CSP for source area ID 77997 ADD; Site added to database. |
Former Staff |
| 4/1/1998 |
Update or Other Action |
The USAF submitted the draft UST Assessment Report to the ADEC. The report indicates that cathodic protection was installed at UST 4014-3. |
Closed |
| 7/8/2000 |
Update or Other Action |
The ADEC Storage Tank Program sent a letter to the USAF indicating that Tank 4014-3 failed a UST Inspection because it did not have a spill containment device. |
S&W |
| 6/11/2001 |
Update or Other Action |
The ADEC Storage Tank Program sent a letter to the USAF indicating that Tank 4014-3 had passed an inspection for operational compliance after the repairs were made and documented. |
S&W-Miner |
| 4/29/2008 |
Exposure Tracking Model Ranking |
Intitial Ranking Complete for Source Area: 77997 (Autogenerated Action) |
|
| 1/11/2012 |
Leaking Underground Storage Tank Cleanup Initiated - Petroleum |
Contaminated Sites Staff submitted a letter to the USAF Remedial Project Manager stating that the information provided for the closure of the LUST site did not contain information about this particular tank and additional investigation is being requested in order to move forward with the site investigation and eventual closure.
|
Jonathan Schick |
| 9/25/2014 |
Meeting or Teleconference Held |
A project records review and scoping meeting was held between the ADEC and USAF. Additional investigation work is planned for this site during 2015. |
Jessica Morris |
| 5/12/2015 |
Meeting or Teleconference Held |
The ADEC Contaminated Sites Program participated in a project scoping meeting with the US Air Force regarding various sites at Eareckson Air Station. A remedial investigation/feasibility study for multiple compliance and LUST sites is scheduled to occur in 2015/2016. |
Jessica Morris |
| 10/22/2015 |
Update or Other Action |
The ADEC Contaminated Sites Program reviewed and commented on a draft scope of work for investigation, remedial process optimization, and long term management studies at several sites for Eareckson Air Station. |
Jessica Morris |
| 7/8/2016 |
Document, Report, or Work plan Review - other |
The ADEC Contaminated Sites Program reviewed the 2015 Draft Environmental, Construction, and Operations and Services 2009 (ECOS09), Underground Storage Tank Closure Tank 4014-3, Eareckson Air Station, Alaska. The tank was closed in place, however the required field screening and analytical samples were not collected per 18 AAC 78. |
Jessica Morris |
| 11/14/2016 |
Site Visit |
ADEC staff travelled to Eareckson Air Station for 4 days to conduct site visits and become familiar with the ecology and topography of the island. Site visits were conducted to all pertinent sites and meetings were held to with ADEC and USAF to discuss a path forward for the sites. |
Jessica Morris |
| 11/27/2017 |
Site Visit |
ADEC staff travelled to Eareckson Air Station for 3 days to conduct site visits and institutional control inspections. Site visits were conducted to all pertinent sites and meetings were held to with ADEC and USAF to discuss a path forward for the sites. |
Jessica Morris |
| 2/23/2018 |
Update or Other Action |
The ADEC Contaminated Sites Program submitted comments on the Draft Site Characterization Report at 13 Former POL Sites, Phase I, Eareckson Air Station, Alaska. |
Jessica Morris |
| 2/23/2018 |
Document, Report, or Work plan Review - other |
The ADEC Contaminated Sites Program provide comments on the Draft Site Characterization Report at 13 Former POL Sites, Phase I, Eareckson Air Station. |
Jessica Morris |
| 5/2/2018 |
Document, Report, or Work plan Review - other |
The ADEC Contaminated Sites Program submitted comments on the Draft Remedial Process Optimization Report for Eareckson Air Station. The purpose of the report was to present an evaluation of the effectiveness of the current selected site remedies and make recommendations for optimization of an island-wide monitoring and management program for contaminated sites at Eareckson. ADEC had numerous comments on the document, and requested a project team meeting to further discuss a more effective and efficient program at Eareckson. |
Jessica Morris |
| 2/4/2019 |
Site Characterization Workplan Approved |
The ADEC Contaminated Sites Program approved the Final Addendum Addendum Uniform Federal Policy – Quality Assurance Project Plan (UFP-QAPP) for Site Characterization at 13 Former POL Sites, Eareckson Air Station, Sheyma Island, Alaska. The QAPP Addendum was approved with the following conditions: 1)ADEC requests weekly field meetings during the effort. 2)the LUST regulations in 18 AAC 78 still need to be achieved. 3) the scope of work for this effort may not be sufficient to fully characterize the sites, and additional characterization may be necessary.
|
Jessica Morris |
| 4/27/2022 |
Update or Other Action |
On 4/27/2022 ADEC approved the Eareckson Air Station, Alaska, REMEDIAL PROCESS OPTIMIZATION REPORT dated April 2022.
This Remedial Process Optimization (RPO) Report presents an evaluation of the effectiveness of current selected site remedies and makes recommendations for optimization of the IWM Program, as appropriate to establish a more integrated groundwater monitoring program at Eareckson AS. RPO is a systematic approach for evaluating and improving the effectiveness of site remediation without increasing site risk. This RPO Report presents a site-by-site evaluation of effectiveness of the sites selected remedy and provides recommendations to:
• Streamline groundwater monitoring.
• Develop a holistic approach to site management.
• Maintain the remedial action objectives (RAOs) set forth in established Record of Decisions (RODs) and Decision Documents (DDs).
|
Daniela Fawcett |
