United States Air Force Installation Restoration Program Final
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UNITED STATES AIR FORCE INSTALLATION RESTORATION PROGRAM FINAL CY 2007 Annual Report Remedial Action – Operation (RA-O) Basewide Long-Term Monitoring and Monitored Natural Attenuation (LF-01, LF-02, LF-06, SS-34, WP-44, DP-60, WP-64) (Project No. PQWY 2000-0700-7) McChord Air Force Base, Washington Prepared for: Air Force Center for Engineering and the Environment Environmental Restoration Division Brooks City-Base, Texas and United States Air Force 62 CES/CEV McChord Air Force Base, Washington Prepared by: Tetra Tech EC, Inc. Lakewood, Colorado October 2008 UNITED STATES AIR FORCE INSTALLATION RESTORATION PROGRAM Final CY 2007 Annual Report Remedial Action – Operation (RA-O) Basewide Long-Term Monitoring and Monitored Natural Attenuation (LF-01, LF-02, LF-06, SS-34, WP-44, DP-60, WP-64) (Project No. PQWY 2000-0700-7) McChord Air Force Base, Washington Prepared for: Air Force Center for Engineering and the Environment Environmental Restoration Division Brooks City-Base, Texas and U.S. Air Force 62 CES/CEV McChord Air Force Base, Washington Prepared by: 143 Union Boulevard, Suite 1010 Lakewood, Colorado 80228 (303) 988-2202 October 2008 NOTICE This report was prepared for the United States Air Force (Air Force) by Tetra Tech EC, Inc. to guide the implementation of the Remedial Action-Operation (RA-O) of the Basewide Long-Term Monitoring (LTM) and Monitored Natural Attenuation (MNA) projects at McChord Air Force Base under the Air Force Installation Restoration Program (IRP). The limited objectives of this report and the ongoing nature of the IRP, along with the evolving knowledge of site conditions and chemical effects on the environment and health, must be considered when evaluating this report, because subsequent facts may become known that may make this report premature or inaccurate. Acceptance does not mean that the Air Force adopts the conclusions, recommendations, or other views expressed herein, which are those of the contractor only and do not necessarily reflect the official position of the Air Force. REPORT DOCUMENT PAGE Form approved OMB No. 0704-0189 Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to Washington Headquarters Services, Directorate for Information Operations and Reports, 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302, and to the Office of Management and Budget, Paperwork Reduction Project (0704-0188), Washington, DC 20503. 1. AGENCY USE ONLY 2. REPORT DATE 3. REPORT TYPE AND DATES COVERED October 2008 Final Calendar Year (CY) 2007 4. TITLE AND SUBTITLE 5. FUNDING NUMBERS CY 2007 Annual Report—Remedial Action-Operation (RA-O) F41624-03-D-8600 Basewide Long-Term Monitoring and Monitored Natural Delivery Order 0032 Attenuation (LF-01, LF-02, LF-06, SS-34, WP-44, DP-60, WP- 64) (Project No. PQWY 2000-0700-7), McChord Air Force Base, Washington 6. AUTHOR(S) Mr. Mark Ingersoll Mr. Rick Weingarz Mr. Morgan Omdal 7. PERFORMING ORGANIZATION NAME(S) AND 8. PERFORMING ORGANIZATION REPORT NUMBER ADDRESS(ES) N/A Tetra Tech EC, Inc. 143 Union Blvd., Lakewood, CO 80228 9. SPONSORING/MONITORING AGENCY NAME(S) AND 10. SPONSORING/MONITORING AGENCY REPORT ADDRESS(ES) NUMBER Air Force Center for Engineering and the Environment N/A Excellence, AFCEE/ERD, 3300 Sidney Brooks, Building 532, Brooks City-Base, TX 78235-5363 11. SUPPLEMENTARY NOTES 12a. DISTRIBUTION/AVAILABILITY STATEMENT 12.b DISTRIBUTION CODE AFCEE, McChord AFB, 62 CES/CEV 13. ABSTRACT 15. NUMBER OF PAGES The report summarizes the CY 2007 Environmental Restoration Approximately 94 (report body including figures) Long-Term Groundwater Monitoring and Monitored Natural 140 (appendices) Attenuation projects, excluding the RA-O projects at Area D/American Lake Garden Tract and Site SS-34N. 14. SUBJECT TERMS 16. PRICE CODE • McChord Air Force Base • Base Boundary Wells • NFRAP Sites • QA/QC • Groundwater Summary • Consent Decree Sites 17. SECURITY 18. SECURITY 19. SECURITY 20. LIMITATION OF CLASSIFICATION OF CLASSIFICATION OF THIS CLASSIFICATION OF ABSTRACT REPORT PAGE ABSTRACT UL Unclassified Unclassified Unclassified SN 7540-01-280-5500 Standard Form 298 (Rev 2-89) Prescribed by ANSI Std. 239-18-298-102 Contents CONTENTS Section Page EXECUTIVE SUMMARY....................................................................................................................... ES-1 1. INTRODUCTION................................................................................................................................ 1-1 1.1 Air Force Installation Restoration Program............................................................................... 1-1 1.2 Installation Description................................................................................................................. 1-1 1.2.1 Geology ............................................................................................................................. 1-1 1.2.2 Groundwater Hydrology................................................................................................. 1-2 1.3 Site Inventory.................................................................................................................................. 1-6 1.3.1 Base Boundary Wells....................................................................................................... 1-6 1.3.2 Consent Decree Sites....................................................................................................... 1-7 1.3.3 No Further Response Action Planned Sites ................................................................ 1-9 2. PROJECT ACTIVITIES....................................................................................................................... 2-1 2.1 Field Activities................................................................................................................................ 2-1 2.1.1 Groundwater Sampling................................................................................................... 2-1 2.1.2 Static Water Level Measurements.................................................................................. 2-1 2.1.3 Field Quality Assurance/Quality Control .................................................................... 2-1 2.2 Laboratory Analysis ....................................................................................................................... 2-1 2.2.1 Analytical Program .......................................................................................................... 2-7 2.2.2 Quality Assurance/Quality Control Program.............................................................. 2-7 2.3 Data Evaluation.............................................................................................................................. 2-7 2.3.1 Methodology for Data Quality Assessment................................................................. 2-7 2.3.2 Data Analysis and Interpretation................................................................................... 2-7 2.4 Monitored Natural Attenuation.................................................................................................2-12 3. SAMPLING AND ANALYSIS RESULTS....................................................................................... 3-1 3.1 Field Parameters............................................................................................................................. 3-1 3.2 Chemical Analytical Data.............................................................................................................. 3-2 3.2.1 Base Boundary Wells....................................................................................................... 3-2 3.2.2 Consent Decree Sites LF-01 and LF-02....................................................................... 3-2 3.2.3 Consent Decree Site SS-34............................................................................................. 3-2 3.2.4 Consent Decree Site WP-44........................................................................................... 3-5 3.2.5 Consent Decree Site WP-64........................................................................................... 3-5 3.2.6 NFRAP Site LF-06 .......................................................................................................... 3-5 3.2.7 NFRAP Site DP-60 ......................................................................................................... 3-6 3.3 Static Water Level Measurement Data........................................................................................ 3-6 3.3.1 Basewide............................................................................................................................ 3-6 3.3.2 Consent Decree Sites....................................................................................................... 3-9 3.3.3 NFRAP Sites ....................................................................................................................3-9 4. CY 2007 CONCLUSIONS AND CY 2008 PLANNING .............................................................. 4-1 4.1 CY 2007 Conclusions...................................................................................................................