Management Plan Elelson Air Force Base, Alaska
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0013S5 I~.% Volume I File. 18G D.B. Remedial Investigation/Feasibitity Study ffioool Site--- Management Plan Elelson Air Force Base, Alaska a' ~ J~nei1991-~~~17 ____ Prepared by OI{HILL R.O. Box 428 Corvallis, OR 97339 under contract to O4"Battewi Environmental Management Operations Richiand, Washington O& opRd.Cyw Site Management Plan DRAFT Eieleon Air Force Base# DISCLAIMER [To be prepared by EMO and included with the Draft Final.J CVOR25fi/74 51 ii17 June 1991 Site Management Pla DRAFT EBelson Air Force Base . ~PREFACE This is the first draft of a document prepared by CH2M HILL for review by the parties to a Federal Facility Agreement Under CEROLA Section 120, which is concerned with remedial activities at Elelson Air Force Base, Alaska. The document consists of two volumes, with appendixes comprising the second volume. This Site Management Plan is for use in conjunction with management plans prepared for the operable units of the base. CVOP2S7IO'5.51 Ii7 June 1991 Sit. Management Plan DRAFT Delolon Air Force Base CONTENTS Page Preface ...................................................... Iii Acronyms and Abbreviations ........................... .......... Xiii Summary ..................................................... 1 1.0 Introduction ............................................. 1.1 1.1 Federal Facility Agreement .................................... 1.3 1.2 Purpose and Scope ........................................ 1.4 1.3 Organization of Site Management Plan ........................... 1.6 2.0 Management Approach .................................... 2.1 2.1 Environmental Response Objectives ............................. 2.2 2.2 Remedial Goals ........................................... 2.3 2.2.1 Protection of Human Health and the Environment ............ 2.4 2.2.2 Feasibility ......................................... 2.5 2.2.3 Permanence ....................................... 2.6 2.2.4 Remediation Time Frame .............................. 2.6 2.3 Preliminary ARARs Evaluation .................................. 2.7 0 2.3.1 Chemical-Specific ARARs .............................. 2.8 2.3.2 Location-Specific ARARs ............................. 2.18 2.3.3 Action-Specific ARARs ............................... 2.18 2.3.4 To-be-Considered Criteria or Guidelines .................. 2.20 2.4 Use of Observational Approach ............................... 2.20 2.5 Data Quality Objectives ..................................... 2.22 2.6 Additional Data Requirements ................................. 2.23 2.7 Coordination of Activities at OUs ............................... 2.25 2.8 Interim Actions ........................................... 2.27 2.9 Special Considerations ..................................... 2.28 2.10 Community Relations....................................... 2.30 3.0 Site Setting ............................................. 3.1 3.1 Location and Physiography................................... 3.1 3.2 Site Background........................................... 3.4 3.2.1 Site History and Current Mission.........................3.4 3.2.2 Description of Existing Facility .......................... 3.5 ctVCVOFQS7IO73.51 iv 17 June 1991 Shte Management Plan DRAFT Veolaon Air Force Base. ~CONTENTS (Continued) Page 3.2.3 Waste Management Practices .......................... 3.7 3.2.3.1 Industrial Wastes............................ 3.7 3.2.3.2 Solid Wastes............................... 3.9 3.2.3.3 Polychlorinated Biphenyls (PCBs) ................ 3.9 3.2.3.4 Pesticides and Herbicides..................... 3.10 3.2.3.5 Wastewater Treatment........................ 3.10 3.2.4 Previous Investigations............................... 3.11 3.2.4.1 Phase I--Records Search......................3.11 3.2.4.2 Phase 1l--Confirmation and Quantification.......... 3.12 3.2.4.3 Phase Ill--Technology Development .............. 3.13 3.2.4.4 Phase IV--Remedial Action Plans ................ 3.13 3.3 Physical Setting .......................................... 3.14 3.3.1 Geology ........................................ 3.14 3.3.2 Surface Soils and Permafrost .......................... 3.15 3.3.3 Hydrology ....................................... 3.17 3.3.3.1 Groundwater Occurrence and Aquifer Characteristics 3.17 3.3.3.2 Groundwater Use ........................... 3.20 3.3.3.3 Surface Water............................. 3.23 3.3.3.4 Surface Water and Groundwater Interactions ....... 3.28 3.3.4 Ecological Resources................................ 3.28 3.3.4.1 Flora.................................... 3.29 3.3.4.2 Wildlife .................................. 3.29 3.3.4.3 Fish .................................... 3.30 3.3.4.4 Threatened and Endangered Species ............ 3.31 3.3.5 Climate and Meteorology ............................. 3.31 3.4 Cultural Setting........................................... 3.33 3.4.1 Historic and Cultural Resources ........................ 3.33 3.4.2 Socioeconomics.......................... I... I..... 3.33 3.4.2.1 Demographics and Employment ................ 3.33 3.4.2.2 Housing.................................. 3.34 3.4.2.3 Transportation............................. 3.34 4.0 Source Area Descriptions ................................... 4.1 4.1 Operable Unit 1 ........................................... 4.1 4.1.1 Source Area ST20 .................................. 4.7 4.1.2 Source Area ST48................................... 4.7 4.1.3 Source Area ST49................................... 4.8 . ~~ct/CV0R571073.51 v 17 June 1991 Sit. Management Plan DRAPT Elelson Air Force. Bae. CONTENTS (Continued) Page 4.1.4 Blair Lakes Source Areas .............................. 4.S~ 4.1.4.1 Source Area SS50 .......................... 4.11 4.1.4.2 Source Area SS51...........................4.11 4.1.4.3 Source Area SS52 .......................... 4.11 4.1.4.4 Source Area SS53 .......................... 4.12 4.1.4.5 Source Area DP54 .......................... 4.12 4.2 Operable Unit 2 .......................................... 4.12 4.2.1 Source Area ST1O0..................................4.14 4.2.2 Source Area STi 1 ................................. 4.14 4.2.3 Source Area ST1 3..................................4.15 4.2.4 Source Area SS1 4.................................. 4.15 4.2.5 Source Area ST18 .................................. 4.15 4.2.6 Source Area ST19 .................................. 4.16 4.3 Operable Unit 3 .......................................... 4.16 4.3.1 Source Area DP44.................................. 4.16 4.3.2 Source Area WP45................................. 4.18 4.4 Operable Unit 4........................................... 4.18 4.4.1 Source Area DP25 .............. ;................... 4.20 4.4.2 Source Area DP26.................................. 4.21 4.4.3 Source Area ST27 .................................. 4.21 4.4.4 Source Area SS36.................................. 4.22 4.4.5 Source Area SS37.................................. 4.22 4.4.6 Source Area S539.................................. 4.23 4.5 Operable Unit 5 .......................................... 4.24 4.5.1 Source Area LF03 .................................. 4.24 4.5.2 Source Area LF04 .................................. 4.26 4.5.3 Source Area FT09 .................................. 4.26 4.6 Operable Unit 6 .......................................... 4.27 4.7 Source Evaluation Report A .................................. 4.29 4.7.1 Source Area LF07.................................. 4.29 4.7.2 Source Area ST12 .................................. 4.29 4.7.3 Source Area ST i 7.................................. 4.30 4.7.4 Source Area DP28B................................. 4.30 4.7.5 Source Area WP33................................. 4.31 4.7.6 Source Area DP4O ................................. 4.31 4.7.7 Source Area DP55.................................. 4.31 4.7.8 Source Area 5S62.................................. 4.32 ct/CVOP257/O73.51 vi 17 June 1991 Sit. Managoment Plan DRAFT Eololon Air Force Beo . ~CONTENTS (Continued) Page 4.8 Source Evaluation Report B.................................. 4.32 4.8.1 Source Area LFO2.................................. 4.3 2 4.8.2 Source Area LF0OS................................. 4.33 4.8.3 Source Area LF06O.................................. 4.34 4.8.4 Source Area FT08.................................. 4.34 4.8.5 Source Area DP29 ................................. 4.35 4.8.6 Source Area WP32................................. 4.36 4.8.7 Source Area SS35 .................................. 4.36 4.8.8 Source Area SS42 ................................. 4.37 4.8.9 Source Area SS47.................................. 4.38 4.8.10 Source Area WP60O................................ 4.38 4.9 Source Evaluation Report C.................................. 4.39 4.9.1 Source Area LFO1.................................. 4.39 4.9.2 Source Area ST15 ................................. 4.40 4.9.Sorce reaST1..................................40 4.9.4 Road Oiling Source Areas (SD21, S022, SD23, SD24)........ 4.41 4.9.5 P08 Storage Source Areas (5530 and SS31) .............. 4.41 4.9.6 Source Area SS41 ......... ........................ 4.42 4.9.7 Source Area ST56.................................. 4.43 4.9.8 Source Area SS57.................................. 4.43 4.9.9 Source Area ST58.................................. 4.43 4.9.10 Source Area SS61.................................. 4.43 4.9.11 Source Area SS63.................................. 4.43 4.9.12 Source Area SS64.................................. 4.44 4.10 Other Source Areas ......................................