| Action Date |
Action |
Description |
DEC Staff |
| 10/11/2013 |
Site Added to Database |
A new site has been added to the database |
Mitzi Read |
| 6/19/2014 |
CERCLA RI Report Approved |
The ADEC Contaminated Sites Program approved the Final Desktop Remedial Investigation Report. The report concluded that two MEC items were found in the intertidal zone. Lead concentrations in surface soil pose a risk to human health. Antimony, copper, lead, and zinc pose an ecological risk to receptors via the soil pathway. Aluminum, copper, iron, lead and zinc soil concentrations pose a risk to marine receptors via the soil to groundwater to marine water pathway. A feasiblity study was recommended to determine appropriate remedial responses, based on the current and future land use. |
Jessica Morris |
| 6/19/2014 |
Exposure Tracking Model Ranking |
Initial ranking with ETM completed for source area id: 79523 name: MRA 688 / MRS OD001 OB/OD Range |
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 |
| 1/12/2017 |
CERCLA FS |
The ADEC Contaminated Sites Program reviewed and submitted comments on the Draft Feasibility Study Report for Eight Munitions Response 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. The interim institutional controls for the MMRP sites need to be updated: the safety briefing upon arrival at Shemya does not include UXO awareness, the MMRP sites are not all shown on informational maps, and signs are missing from several sites. |
Jessica Morris |
| 7/9/2021 |
Cleanup Plan Approved |
Data Gap Investigation (DGI) for Munition Response Sites: Open Burn/Open Detonation (OB/OD) Range (OD001) and .50 Cal Beach (DU029) and Petroleum, Oil, and Lubricant (POL) Sites: TU559, OT617, and TU568-619-1. After review of the MRSs, AFCEC determined the Open Burn/Open Detonation (OB/OD)
(OD001) MRS and .50 Cal Beach (DU029) MRS require additional data to perform a risk assessment and accurately assess what current and future actions should be taken to make the sites safe for short and long-term human and ecological occupation. This UFP-QAPP and associated appendices serve as the work plan to complete the Data Gap Investigation (DGI) and characterization for the OB/OD (OD001) MRS and the .50 Cal Beach (DU029) MRS. The overall goal of the DGI is to collect sufficient data to address all
contaminants of concern, including any MEC, and provide recommendations on future land use. Three POL sites were determined to need additional surface and groundwater investigation in order to perform a risk assessment for the sites. The three POL sites are TU559, POL site OT617, and POL site TU568-619-1. |
Darren Mulkey |
| 3/21/2023 |
Document, Report, or Work plan Review - other |
DEC provided comments for the Data Gap Investigation Tech Memo, Revision 01, for Petroleum, Oil, and Lubricant (POL) Sites TU559, OT617 and TU568-619-1; Air Force Military Munitions Response Program (MMRP), Feasibility Study (FS), Proposed Plan (PP), Record of Decision (ROD), Eareckson Air Station-Base Wide, Alaska dated January 2023.This report describes the site characterization investigation activities conducted at the OT617, TU568-619-1 and TU559 sites located at the Eareckson Air Station on Shemya Island, Alaska. At the sites OT617 and TU568-619-1 two monitoring wells were installed (one at each site) and groundwater was sampled. Soil and groundwater samples were analyzed for gasoline-range organics (GRO), diesel-range organics (DRO), residual-range organics (RRO), volatile organic compounds (VOCs), and semi volatile organic compounds (SVOCs). At TU559, surface water was sampled and analyzed for VOCs and polycyclic aromatic hydrocarbons (PAH), total aromatic hydrocarbons (TAH), and Total Aqueous Hydrocarbons (TAqH). The data presented in this report will be evaluated during the preparation of a Decision Document. |
Ginna Quesada |
| 6/27/2023 |
Document, Report, or Work plan Review - other |
DEC provided comments for the Draft Final 2021 Long Term Management, Land Use and Institutional Controls Report Eareckson Air Station, Shemya, Alaska Sites CS566, DA002/DA002A, DA003, FT001, FT002, FT003, LF015, LF018, LF024, LF026, ML001, MU001, OD001, OT048, OT617, PL560, PL575, SS005, SS007, SS010, SS012, SS023, SS025, ST009, ST035, ST039, ST044, ST046, ST050, ST051, TA555, TA556, TA616, TU553, TU554, TU558, TU559, TU567, TU568, XU912, ZZ001, dated June 2023.The report describes the institutional control inspections and sampling efforts conducted during November 15 through November 30th, 2021. Forty-two different sites were investigated at the Eareckson Air Station located on Shemya Island, Alaska. Groundwater was sampled at nine sites, surface water was sampled at five sites, and sediment sampling was conducted at two sites. Contaminants above cleanup levels remain present at most sites with stable or non-discernable trends. Most land use controls appear to be in good condition and Monitoring and continued inspections were recommended for all sites. |
Ginna Quesada |
| 7/3/2023 |
Document, Report, or Work plan Review - other |
DEC submitted responses to comments for the Draft Final 2021 Long Term Management, Land Use and Institutional Controls Report Eareckson Air Station, Shemya, Alaska Sites CS566, DA002/DA002A, DA003, FT001, FT002, FT003, LF015, LF018, LF024, LF026, ML001, MU001, OD001, OT048, OT617, PL560, PL575, SS005, SS007, SS010, SS012, SS023, SS025, ST009, ST035, ST039, ST044, ST046, ST050, ST051, TA555, TA556, TA616, TU553, TU554, TU558, TU559, TU567, TU568, XU912, ZZ001, dated June 2023. |
Ginna Quesada |
| 8/3/2023 |
Long Term Monitoring Workplan or Report Review |
DEC approved the "Final 2021 Long Term Management, Land Use and Institutional Controls Report Eareckson Air Station, Shemya, Alaska Sites CS566, DA002/DA002A, DA003, FT001, FT002, FT003, LF015, LF018, LF024, LF026, ML001, MU001, OD001, OT048, OT617, PL560, PL575, SS005, SS007, SS010, SS012, SS023, SS025, ST009, ST035, ST039, ST044, ST046, ST050, ST051, TA555, TA556, TA616, TU553, TU554, TU558, TU559, TU567, TU568, XU912, ZZ001, dated July 2023." The report recommends continuing with land-use control site inspections and monitoring the groundwater until all remedial objectives are met. |
Erica Blake |
| 2/27/2024 |
Document, Report, or Work plan Review - other |
DEC provided review comments for the "Draft Final Data Gap Investigation Report MRS DU029 and MRS OD001, Eareckson Air Station – Base Wide Shemya, Alaska (dated December 2023)" to the U.S. Air Force. The report was to provide additional details to fill data gaps for two sites (Open Burn/Open Detonation Range OD001 and .50 Caliber Beach). Results from the investigation indicate data gaps remain. DEC recommended additional investigation work be conducted prior to establishing remedies for the sites. |
Erica Blake |
| 5/24/2024 |
Document, Report, or Work plan Review - other |
DEC provided responses to comments for the "Draft Final Data Gap Investigation Report MRS DU029 and MRS OD001, Eareckson Air Station – Base Wide Shemya, Alaska (dated December 2023)" to the U.S. Air Force. All responses were noted or accepted with comments. DEC recommended DU029 and OD001 include a remedial alternative that is a removal action in the Feasibility Study. |
Erica Blake |
| 9/19/2024 |
CERCLA FS |
DEC provided comments for the "Draft Final Feasibility Study Report .50 Caliber (Cal) Beach (MRS DU029) and Open Burn/Open Detonation (MRS OD001), Eareckson Air Station, Alaska (dated June 2024)" to the U.S. Air Force. The document described remedial alternatives for munitions and explosives of concern (MEC) and munitions constituents (MC) for .50 Caliber (Cal) Beach (MRS DU029) and Open Burn/Open Detonation (MRS OD001) sites. |
Erica Blake |
| 9/19/2024 |
Document, Report, or Work plan Review - other |
DEC provided approval for the "Final Data Gap Investigation Report MRS DU029 and MRS OD001, Eareckson Air Station – Base Wide Shemya, Alaska (dated June 2024)" to the U.S. Air Force. The investigation was conducted to collect additional data that would support development of a Feasibility Study, Proposed Plan and Record of Decision for the .50 Caliber (Cal) Beach (DU029) and Open Burn/Open Detonation (OB/OD) Range (OD001) sites at Eareckson Air Station. The data gaps report was approved with the expectation that DEC's unresolved comments will be addressed during development and review of the Feasibility Study. |
Erica Blake |
