WORK PLAN Background Study and Geochemical Evaluation Fort Wingate Depot Activity Gallup, New Mexico Contract No. W912BV-07-D-2004 Delivery Order DM01 Revision 0 Final—January 2009 Prepared for: U.S. Army Corps of Engineers Albuquerque District 4101 Jefferson Plaza, NE Albuquerque, New Mexico 87109 Prepared by: Shaw Environmental, Inc. 2440 Louisiana Blvd. NE, Suite 300 Albuquerque, New Mexico 87110 AL/1-09/WP/USACE:R6025 WP_Rev 0.doc Table of Contents ________________________________________________ List of Figures ................................................................................................................................................ iii List of Tables ................................................................................................................................................. iii List of Appendices ......................................................................................................................................... iii Acronyms and Abbreviations ......................................................................................................................... iv 1.0 Introduction ..................................................................................................................................... 1-1 1.1 Work Plan Organization ........................................................................................................ 1-1 1.2 Background .......................................................................................................................... 1-2 1.3 Environmental Setting .......................................................................................................... 1-2 1.3.1 Geographic Setting .................................................................................................. 1-2 1.3.2 Meteorology ............................................................................................................. 1-2 1.3.3 Demographics ......................................................................................................... 1-2 1.3.4 Geology and Soil ..................................................................................................... 1-5 1.3.4.1 Regional Geology...................................................................................... 1-5 1.3.4.2 Site-Specific Geology ................................................................................ 1-5 1.3.4.3 Soil Types ................................................................................................. 1-6 1.3.5 Hydrogeology .......................................................................................................... 1-6 1.3.5.1 Regional Hydrogeology ............................................................................. 1-6 1.3.5.2 Site-Specific Hydrogeology ....................................................................... 1-7 2.0 Project Management ....................................................................................................................... 2-1 2.1 Project Scheduling and Reporting Requirements ................................................................. 2-1 2.2 Project Organization and Resource Management ................................................................ 2-1 2.3 Record Keeping .................................................................................................................... 2-1 2.3.1 Photographic Records ............................................................................................. 2-5 2.3.2 Sample Documentation ........................................................................................... 2-5 2.3.3 Sample Numbering System ..................................................................................... 2-5 2.3.4 Sample Labels ......................................................................................................... 2-5 2.3.5 Chain-of-Custody Records ...................................................................................... 2-5 2.3.6 Field Records .......................................................................................................... 2-5 2.4 Documentation Procedures/Data Management and Retention............................................. 2-6 2.5 Reporting Requirements ....................................................................................................... 2-6 2.6 Project Personnel ................................................................................................................. 2-7 3.0 Technical Approach ........................................................................................................................ 3-1 3.1 Background Metal Concentrations........................................................................................ 3-1 3.2 Site-Specific Dilution Attenuation Factors ............................................................................. 3-3 3.3 Geographic Information System Submittals ......................................................................... 3-4 3.3.1 Plot Size .................................................................................................................. 3-5 3.3.2 Geographical Information System Database ........................................................... 3-5 3.4 Additional Sample Collection ................................................................................................ 3-5 4.0 Quality Control Plan ........................................................................................................................ 4-1 4.1 Approach and Procedures .................................................................................................... 4-1 4.2 Project Organization ............................................................................................................. 4-2 4.2.1 Project Manager ...................................................................................................... 4-2 AL/1-09/WP/USACE:R6025 WP_Rev 0.doc i 133366.10.00.00.10 1/7/09 1:16 PM Table of Contents (continued) ______________________________________ 4.2.2 Senior Geochemist .................................................................................................. 4-2 4.2.3 Senior Project Chemist ............................................................................................ 4-2 4.2.4 Contractor QC System Manager ............................................................................. 4-2 4.2.5 Health and Safety Manager ..................................................................................... 4-3 4.2.6 Field Team Leader/Project Geologist ...................................................................... 4-3 4.2.7 Project Subcontractors ............................................................................................ 4-3 4.3 Personnel Qualification and Training .................................................................................... 4-4 4.3.1 Project QC Staff Qualification and Training ............................................................. 4-4 4.3.2 Key Project Staff Qualification and Training ............................................................ 4-4 4.3.3 Subcontractor Qualifications .................................................................................... 4-4 4.3.4 Safety and Health Training ...................................................................................... 4-5 4.4 Processes Affecting Quality .................................................................................................. 4-5 4.4.1 Quality Control Inspections ...................................................................................... 4-5 4.4.1.1 Preparatory Phase Inspection ................................................................... 4-7 4.4.1.2 Initial Phase Inspection ............................................................................. 4-7 4.4.1.3 Follow-Up Phase Inspection ..................................................................... 4-8 4.4.1.4 Additional Inspections ............................................................................... 4-8 4.4.2 Corrective/Preventive Action Procedures ................................................................ 4-8 4.4.2.1 Nonconformance Documentation .............................................................. 4-8 4.4.2.2 Continual Improvement ............................................................................. 4-9 4.4.2.3 Variance Documentation ........................................................................... 4-9 4.4.2.4 Project Documentation ............................................................................ 4-10 4.5 Data Management .............................................................................................................. 4-10 4.5.1 Analytical Data ...................................................................................................... 4-10 4.5.2 Earth Science Data ............................................................................................... 4-10 4.6 Field Operations ................................................................................................................. 4-10 4.6.1 Sampling ............................................................................................................... 4-10 4.6.2 Equipment Calibration and Maintenance Requirements ........................................ 4-11 4.6.3 Documentation .....................................................................................................