| Action Date |
Action |
Description |
DEC Staff |
| 9/22/2015 |
CERCLA SI |
DEC and EPA jointly approved the "Eielson Air Force Base, Alaska, Comprehensive Site Evaluation Phase II, USAF Military Munitions Response Program, Final Report" dated July 2015 (CSE report). The CSE report describes the investigation of potential munitions response areas and the designation of munitions response sites (MRSs) at Eielson Air Force Base. Based on the investigation, further munitions response action is recommended at four of the MRSs associated with Eielson. |
Melinda Brunner |
| 4/12/2016 |
Update or Other Action |
DEC and EPA concurred with the USAF in a memorandum to the site file dated 5 April 2016 that the requirements for a Phase 1 and Phase 2 Source Evaluation Report, as described in the Eielson Federal Facility Agreement (FFA), are fulfilled by the "Eielson Air Force Base, Alaska, Comprehensive Site Evaluation Phase II, USAF Military Munitions Response Program, Final Report" dated July 2015 (CSE II Report). DEC and EPA further concurred that, of the sites described in the CSE II Report, four (i.e. Former Trap Range, Lily Lake, Anti-Aircraft Artillery 7, and Open Storage Area) require further investigation. The four sites will be incorporated into the 2016 Site Management Plan, and processed in accordance with the Eielson FFA and CERCLA. |
Melinda Brunner |
| 5/24/2016 |
Document, Report, or Work plan Review - other |
DEC and EPA issued joint review comments on the "Draft UFP-QAPP, Remedial
Investigation, Former Trap Range (a) (TS849a) Munitions Response Site, Eielson Air Force
Base, Alaska" dated April 2016. This document describes a proposed investigation into residual lead and polycyclic aromatic hydrocarbon contamination at the former trap range.
|
Melinda Brunner |
| 7/22/2016 |
Update or Other Action |
DEC and EPA issued a joint approval of the approve the "Final Uniform Federal Policy Quality Assurance Project Plan (UFP-QAPP) Remedial Investigation (RI) for the Former Trap Range (a) (TS849a) Munitions Response Site (MRS)" on Eielson Air Force Base dated May 2016. This document describes a proposed investigation into residual lead and polycyclic aromatic hydrocarbon contamination at a former trap range. |
Melinda Brunner |
| 8/17/2016 |
Site Added to Database |
A new site has been added to the database |
Mitzi Read |
| 11/28/2017 |
Document, Report, or Work plan Review - other |
Draft RI/FS was reviewed and discussed during the monthly RPM meeting. RI/FS is expected in 2018. |
Monte Garroutte |
| 11/6/2018 |
Document, Report, or Work plan Review - other |
DEC reviewed and provided comments on the revised "Draft Remedial Investigation/Feasibility Study Former Trap Range (a) (TS849a) Munitions Response Site," dated January 2018. |
Bri Clark |
| 9/18/2019 |
Document, Report, or Work plan Review - other |
DEC received a draft final version of the Remedial Investigation/Feasibility Study Former Trap Range (a) (TS849a) Munitions Response Site," dated April 2019. DEC also received responses to comments that were provided for the draft by DEC in February 2019. |
Dennis Shepard |
| 3/17/2020 |
Document, Report, or Work plan Review - other |
DEC accepted responses for DEC review comments for the Draft Final Remedial Investigation/Feasibility Report Former Trap Range (a) (TS849a)Munitions Response Site, REVISED DRAFT Rev 10. |
Dennis Shepard |
| 4/28/2023 |
CERCLA RI Report Approved |
DEC provided approval for the Remedial Investigation/Feasibility Study Report, Former Trap Range (a) (TS849a) Munitions Response Site, Eielson Air Force Base, Alaska, dated April 2023. The goal of the RI was to confirm the visual survey and soil sampling results from the Comprehensive Site Evaluation Phase II investigation and to address data-gaps by determining nature and extent of Munitions Constituents and contaminants of potential concern in groundwater. Data gathered from visual surveys, soil sampling, and groundwater sampling were used to update the conceptual site model and perform a human health risk assessment (HHRA) and an ecological risk assessment (ERA). |
Dennis Shepard |
| 4/1/2024 |
Document, Report, or Work plan Review - other |
DEC reviewed and provided comments on the "Proposed Plan Munitions Response Site Former Trap Range (a) (TS849a), Eielson Air Force Base, Alaska, April 2024". The plan identifies the preferred alternative for addressing soil contamination at the site (contaminated surface soil removal and off-site disposal). |
Axl LeVan |
| 5/12/2025 |
Document, Report, or Work plan Review - other |
DEC completed a review and backcheck of a revised Draft Proposed Plan (PP) Munitions Response Site Former Trap Range (a) (TS849a), Eielson Air Force Base, Alaska, dated April 2025. The PP continues to identify the preferred alternative for addressing soil contamination at the site for contaminated surface soil removal and off-site disposal. All DEC comments have been resolved. |
Sarah Bernhardt |
| 7/22/2025 |
Meeting or Teleconference Held |
DEC staff attended the Eielson Air Force Base Remedial Project Managers’ Monthly Meeting on this date. Agenda topics included updates on all ongoing three-party CERCLA and two-party work, a PFAS update, PFAS plume coordination, and a TS849a Proposed Plan Comment
Resolution Session. |
Sarah Bernhardt |
| 1/28/2026 |
Meeting or Teleconference Held |
The Eielson Air Force Base, Alaska Remedial Project Managers’ (RPMs) Monthly Meeting took place virtually 27-28 January, 2026. Updates included: North Pole PFAS Public Involvement Planning coordinate, general PFAS investigation updates, site progress for CERCLA and petroleum only sites, upcoming OU Supplemental Risk Investigations, and remedial investigation documents currently under review. This site was discussed during the meeting. |
Sarah Bernhardt |
| 2/18/2026 |
CERCLA Proposed Plan |
The Proposed Plan, Munitions Response Site, Former Trap Range (A) (TS849a) MRS, Eielson Air Force Base, Alaska has been posted to the Air Force Admin record. The Air Force public comment period is set for March 16 to April 14, 2026. The proposed plan is also uploaded to the attachments portion of this site record. Comment letters must be postmarked by April 14, 2026. Details for submitting comments are on the first page of the proposed plan. Alternative 3 - Contaminated Surface Soil Removal and Off-Site Disposal is presented as the preferred alternative, and would involve the removal of an estimated 2,300 cubic yards of PAH-contaminated soil to an approximate depth of 18 inches below ground surface and subsequent disposal at an offsite facility. |
Sarah Bernhardt |
