Remedial Investigation Report Michie Stadium Munitions Response Site U.S
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Final Remedial Investigation Report Michie Stadium Munitions Response Site U.S. Army Garrison West Point West Point, New York March 2012 Prepared for: ® U.S. Army Corps of Engineers Baltimore District 10 South Howard Street Baltimore, Maryland 21201-1715 Prepared by: Weston Solutions, Inc. • 1400 Weston W t WWay • West W Chester, PA 19380 PRINTED ON RECYCLED PAPER 11P-1003 FINAL REMEDIAL INVESTIGATION REPORT MICHIE STADIUM MUNITIONS RESPONSE SITE U.S. ARMY GARRISON WEST POINT WEST POINT, NEW YORK Contract No.: W912DR-09-D-0006 DELIVERY ORDER NO.: 0001 Prepared For: U.S. ARMY CORPS OF ENGINEERS BALTIMORE DISTRICT 10 South Howard Street Baltimore, Maryland 21201-1715 Prepared By: Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 WESTON SOLUTIONS, INC. PROJECT NO.: 03886.551.001 March 2012 The views, opinions, and/or findings contained in this report are those of the author(s) and should not be construed as an official Department of the Army position, policy, or decision, unless so designated by other documentation. Final Remedial Investigation Report: Michie Stadium MRS U.S. Army Garrison West Point TABLE OF CONTENTS Section Page EXECUTIVE SUMMARY .................................................................................................... ES-1 1. INTRODUCTION.......................................................................................................... 1-1 1.1 PROJECT AUTHORIZATION ........................................................................... 1-1 1.2 PURPOSE AND SCOPE ..................................................................................... 1-1 1.3 REMEDIAL INVESTIGATION REPORT ORGANIZATION ......................... 1-2 1.4 PROPERTY DESCRIPTION AND PROBLEM IDENTIFICATION ............... 1-3 1.4.1 Project Location and Site Description .................................................. 1-3 1.4.2 Climate .................................................................................................. 1-4 1.4.3 Geology ................................................................................................. 1-4 1.4.4 Topography ........................................................................................... 1-6 1.4.5 Soils....................................................................................................... 1-6 1.4.6 Hydrology ............................................................................................. 1-7 1.4.7 Ecology ................................................................................................. 1-7 1.4.8 Sensitive Environmental Resources within the MRS ........................... 1-9 1.4.9 Cultural and Archaeological Resources .............................................. 1-10 1.4.10 Demographics ..................................................................................... 1-10 1.4.11 Current and Projected Land Use ......................................................... 1-10 1.5 PREVIOUS INVESTIGATIONS ...................................................................... 1-11 1.5.1 Historical Information ......................................................................... 1-11 1.5.2 Site Inspection Report and Results ..................................................... 1-12 1.5.3 Munitions Response Site Prioritization Protocol Scoring .................. 1-13 2. PROJECT REMEDIAL RESPONSE OBJECTIVES ............................................... 2-1 2.1 CONCEPTUAL SITE MODEL AND PROJECT APPROACH ........................ 2-1 2.1.1 Development of a Conceptual Site Model ............................................ 2-1 2.1.2 Preliminary Conceptual Site Model ...................................................... 2-2 2.2 PRELIMINARY CONCEPTUAL SITE EXPOSURE MODEL ........................ 2-2 2.2.1 Development of a Conceptual Site Exposure Model ............................ 2-2 2.2.2 Preliminary Conceptual Site Exposure Model ...................................... 2-3 2.3 INSTITUTIONAL ANALYSIS .......................................................................... 2-4 2.4 TECHNICAL PROJECT PLANNING................................................................ 2-5 2.5 PRELIMINARY REMEDIATION GOALS AND ACTION OBJECTIVES ...................................................................................................... 2-5 2.6 DATA QUALITY OBJECTIVES ....................................................................... 2-6 2.6.1 Overview ............................................................................................... 2-6 Contract No.: W912DR-09-D-0006 iii Project No.: 03886.551.001 X:\USMA-West Point NY\MAMMS MMRP Task Order\RI Report\Michie Stadium\Final\Michie_RI_F.doc 2/27/2012 Final Remedial Investigation Report: Michie Stadium MRS U.S. Army Garrison West Point TABLE OF CONTENTS (Continued) Section Page 3. INVESTIGATION AND CHARACTERIZATION OF MUNITIONS AND EXPLOSIVES OF CONCERN .................................................................................... 3-1 3.1 MUNITIONS AND EXPLOSIVES OF CONCERN CHARACTERIZATION TASKS ....................................................................... 3-1 3.1.1 Location Surveys and Mapping ............................................................ 3-2 3.1.2 Digital Geophysical Mapping Surveys ................................................. 3-3 3.1.3 Data Management ................................................................................. 3-8 3.1.4 Digital Data Processing......................................................................... 3-8 3.1.5 Anomaly Selection ................................................................................ 3-9 3.1.6 Dig List Development ......................................................................... 3-10 3.1.7 DGM Quality Control ......................................................................... 3-10 3.1.8 Anomaly Reacquisition ....................................................................... 3-11 3.1.9 MEC Removal .................................................................................... 3-11 3.2 MUNITIONS AND EXPLOSIVES OF CONCERN MANAGEMENT .......... 3-13 3.2.1 Identification and Removal ................................................................. 3-13 3.2.2 Munitions and Explosives of Concern Disposal ................................. 3-13 3.2.3 Inspection of Material Potentially Presenting an Explosive Hazard ................................................................................................. 3-13 3.2.4 Munitions Debris ................................................................................ 3-14 3.2.5 Intrusive Investigation Quality Control .............................................. 3-14 4. REMEDIAL INVESTIGATION RESULTS AND REVISED CONCEPTUAL SITE MODEL ................................................................................... 4-1 4.1 REMEDIAL INVESTIGATION RESULTS ....................................................... 4-1 4.1.1 Digital Geophysical Mapping Results .................................................. 4-1 4.1.2 Intrusive Investigation Results .............................................................. 4-1 4.2 REVISED CONCEPTUAL SITE MODEL ......................................................... 4-2 4.2.1 Facility Profile ...................................................................................... 4-3 4.2.2 Land Use and Exposure Profile ............................................................ 4-3 4.2.3 Ecological Profile .................................................................................. 4-3 4.2.4 Munitions/Release Profile ..................................................................... 4-4 4.2.5 Revised Conceptual Site Exposure Models .......................................... 4-6 4.3 PRELIMINARY IDENTIFICATION OF APPLICABLE OR RELEVANT AND APPROPRIATE REQUIREMENTS ................................... 4-9 5. CONTAMINANT FATE AND TRANSPORT ........................................................... 5-1 5.1 MEC FATE AND TRANSPORT ........................................................................ 5-1 Contract No.: W912DR-09-D-0006 iv Project No.: 03886.551.001 X:\USMA-West Point NY\MAMMS MMRP Task Order\RI Report\Michie Stadium\Final\Michie_RI_F.doc 2/28/2012 Final Remedial Investigation Report: Michie Stadium MRS U.S. Army Garrison West Point TABLE OF CONTENTS (Continued) Section Page 6. MUNITIONS AND EXPLOSIVES OF CONCERN HAZARD ASSESSMENT AND MUNITIONS RESPONSE SITE PRIORITIZATION PROTOCOL UPDATE ................................................................................................. 6-1 6.1 MUNITIONS AND EXPLOSIVES OF CONCERN HAZARD ASSESSMENT .................................................................................................... 6-1 6.2 MUNITIONS RESPONSE SITE PRIORITIZATION PROTOCOL SCORING UPDATE ........................................................................................... 6-3 7. CONCLUSIONS AND RECOMMENDATIONS ....................................................... 7-1 8. REFERENCES ............................................................................................................... 8-1 Contract No.: W912DR-09-D-0006 v Project No.: 03886.551.001 X:\USMA-West Point NY\MAMMS MMRP Task Order\RI Report\Michie Stadium\Final\Michie_RI_F.doc 2/27/2012 Final Remedial Investigation Report: Michie Stadium MRS U.S. Army Garrison West Point LIST OF APPENDICES APPENDIX A – INSTITUTIONAL ANALYSIS APPENDIX B – DIGITAL GEOPHYSICAL MAPPING DATA APPENDIX C – PHOTOGRAPH LOG APPENDIX D –