AR No. IR No. EIELSON AFB ALASKA. Administrative Record Cover Sheet NOTES:

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1 AR No. IR No. EIELSON AFB ALASKA NOTES: Administrative Record Cover Sheet

2 THE UNITED STATES AIR FORCE INSTALLATION RESTORATION PROGRAM 2014 Site Management Plan Amendment Eielson AFB 2/18/2014

3 Table of Contents Site Management Plan Amendment Table of Contents Acronym List... ii 1.0 Introduction Work Accomplished in Work Planned for Schedule of s... 4 Page i

4 Acronym List Site Management Plan Amendment Acronym List ADEC AFB AOC BRA BRS COC CSM Draft FFA FS FYR IC IRP IWMP LTM LUC MP OU PP PSG QAPP RI RD ROD RSA SER SMP SRI UIC VI Alaska Department of Environmental Conservation Air Force Base Area of Concern Baseline Risk Assessment Baseline Risk Screening Contaminant of Concern Conceptual Site Model Draft Federal Facility Agreement Feasibility Study Five-Year Review Institutional Control Installation Restoration Program Installation-Wide Monitoring Program Long Term Monitoring Land Use Controls Management Plan Operable Unit Proposed Plan Passive Soil Gas Quality Assurance Project Plan Remedial Investigation Remedial Design Record of Decision Risk Screening Assessment Source Evaluation Site Management Plan Supplemental Remedial Investigation Underground Injection Control Vapor Intrusion Page ii

5 1.0 Introduction This Site Management Plan (SMP) establishes milestones associated with the performance of work and submittal of documents as stipulated in the Federal Facility Agreement (FFA) for Eielson Air Force Base (AFB) and fulfills the requirements of Paragraph 5.4 of the Institutional Control / Land Use Control (IC/LUC) Settlement Agreement that was signed 4/16/2013. The SMP addresses the following Operable Units (OU) and Installation Restoration Program (IRP) Source Areas at Eielson AFB: OU 1: ST20, ST48, ST49, SS50, SS51, and SS52 OU 2: ST10/SS14, ST11, ST18, ST19, LF05, SS31, SS62, and ST13/DP26 OU 3: DP44, WP45/SS57, ST56, SS61 OU 4: DP25, ST27, WP33, SS35, SS36, SS37, SS39/SS63, SS64, and ST58 OU 5: LF02, LF03/FT09, LF04, LF06, OU 6: WP38 Sitewide OU: SS67 The grouping of sites into OUs was based on the presence of similar contaminants and environmental characteristics. As a result, sites within OUs can be expected to have comparable goals and management requirements. Site investigations were conducted and led to development of a series of RODs which correspond to the OUs. These included: OU1: OU1B ROD and OU1 ROD OU2: OU2 ROD OU3, OU4, and OU5: OU3,4,5 ROD OU6: OU6 ROD Sitewide OU: Sitewide ROD In addition to the existing IRP sites, a number of sites are currently undergoing evaluation through the Source Evaluation (SER) process. These sites are managed under the FFA requirements until the sites are either closed or transferred to management under Alaska Department of Environmental Conservation (ADEC) Contaminated Sites regulations. 2.0 Work Accomplished in 2013 The Air Force 2013 field season included data collection in support of Conceptual Site Models (CSMs) at a number of source areas, Supplemental Remedial Investigations (RIs) for SS67 and WP45/SS57, implementation of the Installation Wide Monitoring Program (IWMP), and completion of a Phase II Source Evaluation (SER) for SS86. Page 1

6 The IWMP consisted of installation-wide groundwater sampling, in both the spring and fall seasons, as well as selected source area vapor intrusion sampling during warm and cold temperatures. The IWMP represents a long term monitoring (LTM) program which is key for evaluating the protectiveness of remedies at the source areas and tracking individual site progress towards site closure goals. The Air Force completed the field work for Conceptual Site Model (CSM) updates for source areas SS35, ST48, ST20, ST10/SS14, ST13/DP26, SS37, and LF03/FT09. The CSM updates are intended to provide additional detail on plume stability and contaminant of concern (COC) fate and transport. submittals are planned for early The groundwater investigation needed to complete the supplemental RI for WP45/SS57 was completed during the 2013 field season. This included installation of additional shallow downgradient wells to complete the horizontal profile for the extent of contamination and installation of deep wells (+200 ft below land surface) to evaluate the vertical profile and extent of contamination. Sampling was also included to evaluate the vapor intrusion pathway. For SS67, both sediment and saturated soil profile sampling was conducted. Fish tissue samples from Garrison Slough continued to show polychlorinated biphenyls (PCBs) at levels above the Remedial Action Objectives (RAOs). The supplemental RI for SS67 was intended to evaluate the current distribution of PCBs within the source area as well as the effectiveness of prior sediment removal actions. Information collected during the field season will be submitted in 2014 as a supplemental RI report. Completed Draft s (Jan Dec 2013) No. Date Submitted Category 1 Submit Draft Building 1316 Heat Plant Site Phase 1 SER (due date agreed upon by 1/9/2013 Primary stakeholders at RPM meeting on 11/14/12) 2 4th Quarter /10/ Submit Draft Phase 1 SER 37 sites 1/11/2013 Primary 4 Submit Draft Building 1232 UIC Wells Site Phase 1 SER 1/23/2013 Primary 5 Submit Draft Innovative Technologies Evaluation 1/30/ LUC Annual 2 2/5/ Submit Draft SS083 - Bldg 3240 R11 Refueler Parking Site Phase 1 SER (due date agreed upon by stakeholders at RPM meeting on 11/14/12) 2/6/2013 Primary Page 2

7 No. Date Submitted Category 8 Submit Draft VI Addendum for IWMP QAPP (20- day extension from the due date of 1/25/13 was requested by AF and was approved) 2/14/2013 Primary 9 Submit Draft WP45/SS57 Letter 3/26/ Submit Draft SS67 Letter 3/26/ Submit 1st Quarter /10/ Submit Draft 2012 IWMP Groundwater 4/22/ Submit Draft Generic QAPP Addendum No. 2 (Accutest, for Soil Sampling under CSM 4/25/2013 Primary Updates) 14 Submit 1st Quarter FFA Progress, Add. No. 1 IC/LUC Update 5/1/ Submit Letter Work Plan for Ground Penetrating Radar, and Landfill Surveys and Landfill 5/13/2013 Inspections 16 Submit Draft FYR (initial date 5/17/13; 10 calendar day extension requested on 5/16/13 and approved by by both ADEC and EPA 5/28/2013 Primary on 5/17/13, due date was delayed by 11 days due to Memorial Day holiday) 17 Submit Draft Background Soil Study 6/3/2013 Secondary 18 Submit Draft LF03/FT09, ST10/SS14, ST13/DP26, SS37, CS081QAPP for CSM Update (combined) 6/3/2013 Primary 19 Submit Draft SS67 Supplement to QAPP 6/18/2013 Secondary 20 Submit 2nd Quarter 2013 (inclusive of IC/LUC Update) 7/10/ Submit Draft Land Use Control Implementation Plan 8/16/ Submit Revision 1 of DF FYR 8/28/2013 Primary 23 Submit Draft SMP 1 Amendment for /1/ rd Quarter (inclusive of IC/LUC Update) 10/10/ Prepare and Submit Draft Spring 2013 Groundwater Sampling Technical Memorandum 11/4/ Submit Draft SS35 CSM Update 11/4/ Prepare and Submit Draft Background Groundwater Study PSG, GPR, Landfill Survey and Landfill Inspection, and Monitoring Wells Maintenance and Repairs Technical Memorandum Prepare and Submit Draft IWMP VI Technical Memorandum (only warm weather data) Page 3 11/27/2013 Secondary 12/4/ /19/2013

8 No. Date Submitted Category 33 Submit D CS082 Site Characterization (SER ) 12/19/ Submit D CS081 (SER ) Site Characterization 12/19/2013 Notes: 1 LUC Updates were included as part of the Quarterly s 2 This document is identified as an type of document by the LUC/IC Settlement Agreement 3.0 Field Work Planned for 2014 IWMP Spring and Fall groundwater sampling events IWMP warm and cold weather VI sampling event Partial removal of drums and debris from the pond/shore area adjacent to SS35 Data collected in 2011, 2012, and 2013 as part of the IWMP or other site investigation efforts was consistent with site expectations. There are no indications of any immediate threats to human health or the environment. A removal action is planned for SS35 for the 2014 field season. It is expected that more comprehensive removal actions for SS67 and SS35 will be planned for 2015 and 2016 respectively. No other interim remedial actions, time critical removal actions, or non-time critical removal actions are planned for Eielson AFB at this time. 4.0 Schedule of s The Eielson AFB FFA defines Primary and Secondary documents as well as their associated review cycles and comment periods. As a result, only draft documents are shown in the milestone schedule since the dates of subsequent documents (e.g., Draft Final, Final) are dependent on whether the stakeholders request an extension in review duration and whether the Air Force requests an extension in developing responses to comments and revising the document. In addition to the FFA recognized document categories of Primary and Secondary, a third category,, has been added to the milestone schedule. s assigned to the category do not fall within the Eielson AFB FFA definitions of documents which would be either Primary or Secondary ( 20.3 & 20.4). For purposes of long-term planning, documents assigned to the category are managed according to the review cycle for Secondary documents unless otherwise specified. NOTE: classification is established before a document is added to the SMP and requires concurrence from Air Force, EPA, and ADEC program managers. Page 4

9 Primary documents are always completed through production of an approved Final. Secondary and types of documents are only required to have a Draft with a formal response to regulator comments. These documents may never have corresponding stand-alone final versions. The expectation is that any changes identified in the RTCs would be addressed in the Primary document which incorporates the Secondary document (i.e., RI RTCs addressed in RI/FS Draft). The FFA s connection of Secondary documents to Primary documents is clearly established for the CERCLA process leading up to a ROD. The connection for post-rod documents, however, not as clearly defined in the FFA. As a result, clarification was provided in the IC/LUC Settlement Agreement, Paragraph which states: Requirements and/or recommendations of the FYR and recommendations from the Annual s, where appropriate, will be incorporated into applicable decision documents, via an amendment and/or an Explanation of Significant Differences (ESD). Further, the Air Force considers documents identified as Data Summaries, Technical Memorandum, or Conceptual Site Model Updates to be in support of evaluating source area progress towards achieving ROD goals. Findings and recommendations from these documents will also inform decision document action and, where appropriate, will lead to a ROD amendment and/or an ESD. No. 1 Quarterly - 4th Q 2013 (inclusive of IC/LUC Update) MILESTONE SCHEDULE Category 2 ST13/DP26 - Draft CSM Update Secondary 3 4 SS67 - Draft RI (does not include the BRA report) LF03/FT09 - Draft CSM Update (combined w/ss37 CSM Update ) 5 ST10/SS14 - Draft CSM Update 6 SS37 - Draft CSM Update (combined w/lf03/ft09 CSM Update ) Disputable Final FYR report / Decision Doc Due Date Date Context 1/10/2014 Target 1/14/2014 Target Secondary SS62 RI/FS 1/14/2014 Target Secondary FYR report / Decision Doc Secondary FYR report / Decision Doc Secondary FYR report / Decision Doc 1/30/2014 Target 1/30/2014 Target 1/30/2014 Target Page 5

10 No WP45/SS57 - Draft RI (inclusive of the BRA report) SS085 - Draft Phase 2 SER (aka - Building 3386 UIC Well) SS086 - Draft Phase 2 SER (aka - Taxiway Golf) Category Secondary Disputable FYR report / Decision Doc Due Date Date Context 1/31/2014 Target Primary 2/12/2014 Deadline Primary 2/12/2014 Deadline 10 SS084 - Draft Phase 2 SER (aka - AOC16) Primary 2/17/2014 Deadline WP45/SS57 - Draft QAPP Addendum No. 2 for VI IWMP - Draft QAPP Addendum No. 3 for 2014 Groundwater Monitoring 13 ST20 - Draft CSM Update 14 ST48 - Draft CSM Update IWMP - Draft 2013 Groundwater Monitoring (report contains data from both 2013 sampling events) Institutional Controls - Draft 2013 Annual (to include the field inspection report and per Section 5.3.9, IC/LUC database and Atlas) Primary 2/24/2014 Deadline Primary 3/3/2014 Deadline FYR report / Decision Doc FYR report / Decision Doc 3/9/2014 Target 3/12/2014 Target FYR 3/26/2014 Target 3/31/2014 Target 17 IWMP - Draft 2013 VI Assessment - contains data from both sampling events FYR 4/4/2014 Target Quarterly - 1st Q 2014 (inclusive of IC/LUC Update, to be continued based on section of the SA) Quarterly - 2nd Q 2014 (inclusive of IC/LUC Update, to be continued based on section of the SA) Final Final 4/10/2014 Target 7/10/2014 Target 20 SMP - Draft 2015 Amendment 10/1/2014 Target Page 6

11 No. 21 Quarterly - 3rd Q 2014 (inclusive of IC/LUC Update, to be continued based on section of the SA) Category Disputable Final Due Date Date Context 10/10/2014 Target IWMP - Draft Spring 2014 Groundwater Sampling TM Non OU Sites (20 compliance sites) - Draft RI/FS Management Plan SS67 ROD Implementation (sediment/soil removal) Draft Work Plan & QAPP Quarterly - 4th Q 2014 (inclusive of IC/LUC Update, to be continued based on section of the SA) OU3,4,&5 - Draft RI/FS Management Plan & QAPP IWMP - Draft 2014 Groundwater Monitoring (report contains data from both 2014 sampling events) Institutional Controls - Draft 2014 Annual (to include the field inspection report and and per Section 5.3.9, IC/LUC database and Atlas) FYR 11/2/2014 Target Primary 12/5/2014 Deadline Primary 1/5/2015 Deadline Final 1/10/2015 Target Primary 1/30/2015 Deadline FYR 2/4/2015 Deadline 3/31/2015 Target 29 WP45/SS57 - Draft Feasibility Study Secondary 30 WP45/SS57 - Draft VI Data WP45/SS57 - RI/FS WP45/SS57 - RI/FS 4/13/2015 Deadline 4/14/2015 Target 31 SMP - Draft 2016 Amendment 10/1/2015 Target 32 WP45/SS57 - Draft RI/FS Primary 11/23/2015 Deadline 33 OU2 - Draft RI/FS Management Plan Primary 12/7/2015 Deadline SS35 Draft EECA & Work Plan for Non Time Critical Removal Action (NTCRA) IWMP - Draft 2015 Groundwater Monitoring (report contains data from both 2015 sampling events) Page 7 Primary 1/4/2016 Deadline FYR 2/4/2016 Target

12 No Institutional Controls - Draft 2015 Annual SS67 ROD Implementation - Draft Completion Category 38 WP45/SS57 - Draft Proposed Plan Secondary Disputable Due Date Date Context 3/31/2016 Target Primary 5/3/2016 Deadline WP45/SS57 ROD 9/12/2016 Deadline 39 SMP - Draft 2017 Amendment 10/1/2016 Target 40 OU6 & OU1 - Draft RI/FS Management Plan Primary 12/19/2016 Deadline FYR Draft Performance Data WP & QAPP IWMP - Draft 2016 Groundwater Monitoring (report contains data from both 2016 sampling events) Primary 1/9/2017 Deadline FYR 2/4/2017 Target 43 OU3,4,&5 - Draft Supplemental RI Secondary OU3,4,&5 RI/FS 3/1/2017 Target 44 Institutional Controls - Draft 2016 Annual 3/31/2017 Target 45 Non OU Sites (20 compliance sites) - Draft RI (includes Risk Assessment) Secondary Non OU Sites - RI/FS 4/5/2017 Target 46 SS35 Draft NTCRA Completion Primary 5/2/2017 Deadline 47 WP45/SS57 - Draft ROD Amendment/Mod/ESD 48 OU3,4,&5 - Draft Feasibility Study Secondary 49 Non OU Sites (20 compliance sites) - Draft Feasibility Study Primary 7/17/2017 Deadline Secondary OU3,4,&5 RI/FS Non OU Sites - RI/FS 8/23/2017 Target 9/27/2017 Target 50 SMP - Draft 2018 Amendment 10/1/2017 Target 51 IWMP - Draft 2017 Groundwater Monitoring (report contains data from both 2017 sampling events) FYR 2/4/2018 Target Page 8

13 No. Category Disputable Due Date Date Context 52 OU3,4,&5 - Draft Supplemental RI/FS Primary 2/8/2018 Deadline OU2 - Draft Supplemental RI (includes Risk Assessment) Non OU Sites (20 compliance sites) - Draft Supplemental RI/FS Institutional Controls - Draft 2017 Annual Secondary OU2 RI/FS 2/22/2018 Target Primary 3/15/2018 Deadline 3/31/2018 Target 56 FYR Draft 5/1/2018 Target 57 OU6 & OU1 - Draft Supplemental RI (includes Risk Assessment) Secondary OU6 & OU1 RI/FS 5/7/2018 Target 58 SS62 - Draft RI/FS Management Plan Primary 7/2/2018 Deadline 59 OU2 - Draft Feasibility Study Secondary OU2 RI/FS 8/16/2018 Target 60 SMP - Draft 2019 Amendment 10/1/2018 Target 61 OU6 & OU1 - Draft Feasibility Study Secondary 62 OU3,4,&5 - Draft Proposed Plan Secondary Non OU Sites (20 compliance sites) - Draft Proposed Plan IWMP - Draft 2018 Groundwater Monitoring (report contains data from both 2018 sampling events) OU6 & OU1 RI/FS OU3,4,&5 ROD 10/29/2018 Target 11/16/2018 Target Primary 1/3/2019 Deadline FYR 2/4/2019 Target 65 OU2 - Draft Supplemental RI/FS Primary 2/14/2019 Deadline 66 Institutional Controls - Draft 2018 Annual 3/31/2019 Target 67 OU6 & OU1 - Draft Supplemental RI/FS Primary 4/16/2019 Deadline 68 OU3,4,&5 - Draft ROD Amendment/Mod Primary 9/20/2019 Deadline Page 9

14 No. Category Disputable Due Date Date Context 69 SMP - Draft 2020 Amendment 10/1/2019 Target 70 Non OU Sites (20 compliance sites) - Draft ROD Amendment/Mod Primary 11/7/2019 Deadline 71 OU2 - Draft Proposed Plan Secondary OU2 ROD 12/15/2019 Target 72 Chena Annex - Draft RI/FS Management Plan Primary 1/6/2020 Deadline 73 OU6 - Draft Proposed Plan Secondary OU6 ROD 2/4/2020 Target 74 OU1 - Draft Proposed Plan Secondary OU1 ROD 2/4/2020 Target IWMP - Draft 2019 Groundwater Monitoring Institutional Controls - Draft 2019 Annual FYR 2/4/2020 Target 3/31/2020 Target 77 SMP - Draft 2021 Amendment 10/1/2020 Target 78 OU2 - Draft ROD Amendment/Mod Primary 10/8/2020 Deadline 79 OU6 - Draft ROD Amendment/Mod Primary 12/8/2020 Deadline 80 OU1 - Draft ROD Amendment/Mod Primary 12/8/2020 Deadline 81 IWMP - Draft 2020 Groundwater Monitoring FYR 2/4/2021 Target 82 Institutional Controls - Draft 2020 Annual 3/31/2021 Target 83 SS62 - Draft RI (includes Risk Assessment) Secondary SS62 RI/FS 6/14/2021 Target 84 SMP - Draft 2022 Amendment 10/1/2021 Target 85 SS62 - Draft Feasibility Study Secondary SS62 RI/FS 12/6/2021 Target 86 FYR Draft Performance Data WP & QAPP Primary 12/16/2021 Deadline 87 IWMP - Draft 2021 Groundwater Monitoring FYR 2/4/2022 Deadline 88 Chena Annex - Draft RI (includes Risk Assessment) Secondary Chena Annex RI/FS 3/14/2022 Target 89 Institutional Controls - Draft 2021 Annual 3/31/2022 Target Page 10

15 No. Category Disputable Due Date Date Context 90 SS62 - Draft Supplemental RI/FS Primary 5/24/2022 Deadline 91 Chena Annex - Draft Feasibility Study Secondary Chena Annex RI/FS 9/5/2022 Target 92 SMP - Draft 2023 Amendment 10/1/2022 Target IWMP - Draft 2022 Groundwater Monitoring Chena Annex - Draft Supplemental RI/FS FYR 2/4/2023 Target Primary 2/21/2023 Deadline 95 SS62 - Draft Proposed Plan Secondary SS62 ROD 3/14/2023 Target 96 Institutional Controls - Draft 2022 Annual 3/31/2023 Target 97 FYR Draft 5/1/2023 Target 98 SMP - Draft 2024 Amendment 10/1/2023 Target 99 Chena Annex - Draft Proposed Plan Secondary Chena Annex ROD 11/29/2023 Target 100 SS62 - Draft ROD Amendment/Mod Primary 1/16/2024 Deadline IWMP - Draft 2023 Groundwater Monitoring Institutional Controls - Draft 2023 Annual FYR 2/4/2024 Target 3/31/2024 Target 103 SMP - Draft 2025 Amendment 10/1/2024 Target 104 Chena Annex - Draft ROD Primary 10/2/2024 Deadline Notes The SMP is identified as a requirement in the LUC/IC Settlement Agreement. The first SMP is required within 30 days of the signed Settlement Agreement and at least annually thereafter. Future SMPs are planned for after the end of the field season. The FYR document is identified as an document by the LUC/IC Settlement Agreement. However, a late submission of this document is subject to the stipulated penalties under 23.1 of the FFA. The Due Date Context for the FYR is driven by both CERCLA 121(c) and the Eielson AFB FFA under 19.1 Page 11

16 LUC Updates will be provided as part of the Quarterly s. The Installation-wide is provided under the terms of the applicable RODs and subject to the terms of the SMP. A late submission of this document is subject to the stipulated penalties under 23.1 of the FFA. LUC Annual s are included for 2014 and 2015, but continue for subsequent years. LUC s to be followed by an Annual Meeting within 30 days of report submittal. Page 12