| Action Date |
Action |
Description |
DEC Staff |
| 9/13/1991 |
Leaking Underground Storage Tank Corrective Action Underway |
Air Force informed ADEC that a corrective action plan is scheduled for next year. |
Former Staff |
| 9/13/1991 |
Site Added to Database |
|
Former Staff |
| 9/13/1991 |
Leaking Underground Storage Tank Release Confirmed - Petroleum |
LUST Site created in CS database for source area ID 78096. |
Former Staff |
| 9/1/1992 |
Site Visit |
Kalu |
Former Staff |
| 2/23/1993 |
Update or Other Action |
Peterson: Sent PRP (potentially responsible party) -CS database Notification Letter to responsible party requesting updated and additional environmental information. Department of the Air Force responded with requested site information on 3-17-93. |
Former Staff |
| 12/4/1993 |
Leaking Underground Storage Tank Cleanup Initiated - Petroleum |
Tank and 12,000 cubic yards of contaminated soil were removed. |
Former Staff |
| 1/28/2004 |
Update or Other Action |
Transferred DEC staff lead from John Carnahan |
Cynthia Pring-Ham |
| 8/16/2005 |
Document, Report, or Work plan Review - other |
Staff reviewed a narrative summary supplied by the Air Force Base. The tank and about 12,000 cubic yards of contaminated soil were removed. Contaminated soil remains under utilidors and Building 2316. It is unclear if groundwater was impacted. |
Emily Youcha |
| 8/16/2005 |
Update or Other Action |
Staff updated the coordinate for site. Coordinate obtained from RP. |
Emily Youcha |
| 8/16/2005 |
Update or Other Action |
Staff sent a letter to Eielson requesting more information about the site. It is not clear if the ground water was impacted. |
Emily Youcha |
| 8/23/2006 |
Update or Other Action |
Staff met with Eielson AFB to discuss remaining open LUST and compliance sites, including this one. Staff requested groundwater monitoring and delineation of any groundwater contamination at this site. |
Emily Youcha |
| 9/12/2006 |
Update or Other Action |
Staff received a request from Eielson AFB to install a fire protection well at this site. They would like to conduct an 8-day pump test of 480,000 gallons to see if the water supply is adequate. Staff informed Eielson that the groundwater is likely to be contaminated as residual contamination remained in the soil after the removal action. DEC again requested the groundwater plume be delineated. |
Emily Youcha |
| 9/22/2006 |
Update or Other Action |
DEC received another request from Eielson regarding the fire protection well. They requested to pump the water into a lined holding pond and test the water from the well and pond. DEC informed Eielson that there would be several requirements for dewatering (monitoring of the plume, monitoring of the water supply well, placement of the well upgradient the site, etc.). Additional discussion is likely. |
Emily Youcha |
| 9/28/2006 |
Update or Other Action |
Staff discussed the planning of site characterization efforts at this site. Eielson is putting in a programming document to install 5 to 10 wells at the site to delineate the contaminated groundwater and determine the direction of groundwater flow. It sounds like the project is likely to occur. I recommended that they also install a well upgradient of any contaminated groundwater and determine (through modeling, field data, etc.) the distance the well would need to be placed from the source area in order to not impact the well. The site would need to be monitored during the pump test. I reviewed IRP site ST10 (ADEC file number 107.38.064/Hazard ID 336), where they installed a fire protection well in 2004. Some of the information learned during that study may apply to this site. |
Emily Youcha |
| 6/26/2008 |
Exposure Tracking Model Ranking |
Intitial Ranking Complete for Source Area: 78096 (Autogenerated Action) |
|
| 12/22/2010 |
Update or Other Action |
This entry contains only site-specific information. An informational site has been added to the database for actions that pertain to Eielson Air Force Base in its entirety. Please see ADEC file number 107.38.006/Hazard ID 25578/Eielson AFB Basewide Information. |
Kathleen Beutel |
| 12/22/2010 |
Update or Other Action |
LUST site created in CSP database for source area 25,000-gallon UST, 78096 |
Kathleen Beutel |
| 2/28/2013 |
Exposure Tracking Model Ranking |
Initial ranking with ETM completed for source area id: 78096 name: 25,000-gallon UST. This is an auto action that was triggered by an administrative fix to correct reporting problems in the Unranked Sites Report. This is not an actual ETM ranking and no answers were altered within the ETM. The only part of the record affected by this fix may be the ranking dates. (Reese) |
Kristin Thompson |
| 3/4/2013 |
Update or Other Action |
Staff reviewed the Draft Source Evaluation Report for Multiple Sites at Eielson AFB, of which Facility 2316 is a part. In a letter dated March 4th, 2013, ADEC noted that the report does not meet the requirements of a Release Investigation, nor complete a full Site Characterization under State regulations. The letter also notes that completed sampling has thus far been limited, and that there are still data gaps to be addressed. Specific to facility 2316, sampling detected DRO in the soil and groundwater above screen levels. Additionally, groundwater levels are very high. |
Hannah Harrison |
| 4/10/2014 |
Document, Report, or Work plan Review - other |
2014- Draft Multiple Compliance Restoration Program Sites RI Work Plan received March 1, 2014. In 2012, 13 soil and 3 groundwater samples were collected and analyzed for DRO, RRO, GRO, VOC, SVOCs, and metals. To evaluated the presence or absence of contamination south of building 2316. 3 COPCs (Contaminant of potential concern) DRO, Arsenic, and Chromium had levels that exceeded current MCL (Maximum contaminant level) or ADEC soil levels. GRO, DRO, RRO, Benzene, Naphthalene, 2-Methlynaphthalene, Pyrene, Arsenic, and Chromium (total) ass exceed cleanup levels in groundwater. Additional field work is expected in the 2014 field season. |
Anna Iverson |
| 6/13/2014 |
Update or Other Action |
On April 23, 2014, the Alaska Department of Environmental Conservation and the United States Air Force reached agreement on the State-Eielson Air Force Base Petroleum Site Restoration Agreement (Two-party Agreement). This agreement was established to perform any necessary assessment, monitoring, remediation and cleanup determinations for petroleum contaminated sites at Eielson Air Force Base. This site was identified as a petroleum contaminated site requiring a response action and its cleanup will continue under Alaska regulations, following the procedures established in the agreement. |
Monte Garroutte |
| 8/7/2015 |
Document, Report, or Work plan Review - other |
DEC provided comments to the USAF on the draft "2014 Site Characterization Report, Various Sites, Eielson Air Force Base, Alaska dated June 2015 (the 2014 CRP SCR). The 2014 CRP SCR describes sampling activities completed at PL001(M), CS082, SS530, SS068, SS083, TU531, CS074, CG517, SS533, TU077, SS519, SS079, CS525 at Eielson Air Force Base in July, August and September of 2014. Sampling of soil and groundwater was conducted to evaluate data gaps from previous investigations; delineate the nature and extent of soil and groundwater contamination; determine the potential for co-mingling of plumes from separate sites; and to determine the need, or lack thereof, for further investigation at each site. |
Melinda Brunner |
| 8/24/2015 |
Site Characterization Workplan Approved |
DEC approved the "Multiple Compliance Restoration Program Sites Phase II Remedial Investigation/Feasibility Study Work Plan, Eielson Air Force Base, Alaska" dated August 2015. The work plan describes soil and groundwater sampling that will occur at TU531; fieldwork is scheduled to begin in August 2015. |
Melinda Brunner |
| 10/28/2016 |
Update or Other Action |
DEC acknowledged receipt of the Draft Multiple Compliance Restoration Program Sites Interim Activities Report, Eielson Air Force Base, Alaska (July, 2016). DEC did not provide comments on the Interim Report and is reserving review and comments for the completed characterization reports. |
John O'Brien |
| 11/14/2016 |
Document, Report, or Work plan Review - other |
DEC reviewed and provided comments on the Draft 2014 Site Characterization Report for Various Sites, Appendix F - Data Quality Assessment, Eielson Air Force Base, Alaska (June, 2015). |
John O'Brien |
| 12/16/2016 |
Document, Report, or Work plan Review - other |
DEC completed review of the 2014 "Site Characterization Report, Various Sites - Data Quality Assessment" and resolved all comments. |
Monte Garroutte |
| 3/7/2017 |
Site Characterization Report Approved |
DEC approved the 2014 Site Characterization for Multiple Sites (PL001 [M], SS068, CS074, TU077, SS079, CS082, SS083, CG517, SS519, CS525, SS530, TU531, and SS533), Report 2 (January 2017). Report 2 concluded that further investigation is required to fully delineate the nature and extent of soil and groundwater contamination present at all 13 Compliance Restoration Program (CRP) sites described. |
John O'Brien |
| 7/19/2018 |
Site Characterization Report Approved |
DEC issued an approval letter for Site Characterization Report for Source Areas SO066, CG505, CS074, SO503, MY529, SS530, SS533, TU531, and CS082 dated February 2018. |
Bri Clark |
| 11/20/2018 |
Document, Report, or Work plan Review - other |
DEC issued comments on the Draft Decision Document for Installation Restoration Program Source Areas CS074, CS082, MY529, SS530, TU531, and SS533, dated August 2018. |
Bri Clark |
| 4/11/2019 |
Document, Report, or Work plan Review - other |
DEC completed a review of the response to comments and draft final Decision Document for Installation Restoration Program Source Areas CS074, CS082, MY529, SS530, TU531, AND SS533, dated August 2018. The Air Force is revising the document to reflect recent metals evaluation outcomes. These sites are all in the 2 party agreement. |
Dennis Shepard |
| 4/16/2019 |
CERCLA Removal Action Plan |
DEC received the "Remedial Action-Construction at Multiple Sites: CS074, CS082, MY529, SO501, SS530, SS533, and TU531, Draft Uniform Federal Policy - Quality Assurance Project Plan," dated April 2019 for review. |
Bri Clark |
| 5/8/2019 |
Document, Report, or Work plan Review - other |
The Alaska Department of Environmental Conservation (DEC) provided review comments for the Draft Uniform Federal Policy – Quality Assurance Project Plan, Remedial Action – Construction at Multiple Sites: CS074, CS082, MY529, SO501, SS530, SS533, and TU531, Eielson Air Force Base, April 2019. |
Dennis Shepard |
| 5/20/2019 |
Document, Report, or Work plan Review - other |
DEC approved the Final Uniform Federal Policy – Quality Assurance Project Plan, Remedial Action – Construction at Multiple Sites: CS074, CS082, MY529, SO501, SS530, SS533, and TU531. The work plan details the excavation of petroleum contaminated soils at these |
Dennis Shepard |
| 6/3/2019 |
Cleanup Level(s) Approved |
DEC approved the Final Decision Document for Installation Restoration Program Source Areas CS074, CS082, MY529, SS530, TU531, AND SS533, . The document identifies the cleanup levels and selected remedy to address six 2-party petroleum sites at Eielson Air Force Base. |
Dennis Shepard |
| 4/8/2022 |
Document, Report, or Work plan Review - other |
DEC provided comments for the Draft 2021 INSTITUTIONAL CONTROLS/LAND USE CONTROLS ANNUAL REPORT, EIELSON AIR FORCE BASE, ALASKA (March 2022). The report provides annual land use control inspection checklists, inspection results, photos and recommendations from the site inspection of TU531. |
Dennis Shepard |
| 9/18/2023 |
Document, Report, or Work plan Review - other |
DEC reviewed and provided comments on the "Eielson AFB Two-Party Sites, Periodic Review - Draft, August 2023". The document reviewed and recorded the current status of two party sites (managed by USAF and DEC) at Eielson Air Force Base. |
Axl LeVan |
| 12/21/2023 |
Document, Report, or Work plan Review - other |
DEC reviewed and approved "Draft-Final Periodic Review Report for Two-Party Sites at Eielson Air Force Base, Alaska, November 2023". This report documents the evaluation of the Interim Land Use Controls (Interim LUCs) for 23 two-party sites at EAFB. |
Axl LeVan |
| 5/9/2024 |
Update or Other Action |
DEC approved Land Use Control (LUC) boundary updates that were discussed at the 30 January 2024 meeting. The updated site boundaries were based on site evaluations performed since initial interim LUCs were place on the sites. The LUC Boundaries for sites CS074, CS082, SS530, and TU531 are proposed to be
collapsed. MY529 LUCs were agreed to be expanded to include exceedances in temporary wells across Industrial Drive. |
Axl LeVan |
| 6/21/2024 |
Document, Report, or Work plan Review - other |
DEC reviewed and provided comments on the "Periodic Review Report for Two-Party Sites, Eielson Air Force Base, Alaska, April 2024." DEC had previously approved the document, but is reviewing an updated version after substantial changes to the document. This report documents the evaluation of the Interim Land Use Controls (Interim LUCs) and remedy implementation for 17 sites at EAFB. |
Axl LeVan |
| 7/9/2024 |
CERCLA ROD Periodic Review |
DEC reviewed and approved the "Final Periodic Review Report for Two-Party Sites, Eielson Air Force Base, Alaska, July 2024". This report documents the evaluation of the Interim Land Use Controls (Interim LUCs) for 17 sites at EAFB. DEC approved a previous version of periodic review before substantial changes based on USAF legal review. Based on this DEC provided a new comment matrix addressing the updated version. |
Axl LeVan |
