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TABLE OF CONTENTS <br />1.0 INTRODUCTION 1 <br />1.1 BACKGROUND AND PURPOSE 1 <br />1.2 SITE DESCRIPTION 2 <br />1.3 SITE HISTORY 2 <br />1.4 SITE SOILS AND RAILROAD BALLAST 4 <br />1.5 HYDROGEOLOGY 5 <br />1.6 CONTAMINANT DISTRIBUTION 5 <br />1.6.1 CONTAMINANT DISTRIBUTION IN SOIL 5 <br />1.6.2 CONTAMINANT DISTRIBUTION IN GROUNDWATER 7 <br />1.7 FORENSIC SOIL TESTING 8 <br />1.8 CHEMICALS OF CONCERN 8 <br />1.9 PRELIMINARY ENDANGERMENT ASSESSMENT 8 <br />1.10 REMEDIAL ACTIONS 9 <br />2.0 CHARACTERIZATION ACTIVITIES 9 <br />2.1 WORKPLAN 9 <br />2.2 HEALTH AND SAFETY PLAN 9 <br />2.3 QUALITY ASSURANCE/QUALITY CONTROL PLAN 10 <br />2.3.1 QUALITY ASSURANCE/QUALITY CONTROL OBJECTIVES 10 <br />2.3.2 DATA QUALITY OBJECTIVES 10 <br />2.3.3 QUALITY ASSURANCE PROJECT PLAN 11 <br />2.3.4 SAMPLING AND ANALYSIS PROCEDURES 11 <br />2.3.5 FIELD QUALITY ASSURANCE/QUALITY CONTROL 12 <br />2.3.6 LABORATORY QUALITY ASSURANCE/QUALITY CONTROL 12 <br />2.4 SAMPLING AND ANALYSIS PLAN 13 <br />2.4.1 PRE-SAMPLING ACTIVITIES 13 <br />2.4.2 SAMPLING OBJECTIVES 13 <br />2.4.3 SAMPLING LOCATIONS, FREQUENCY AND NUMBERING <br />SYSTEM 13 <br />2.4.4 ANALYTICAL METHODS, PRESERVATION, CONTAINERS AND <br />HOLDING TIMES 14 <br />2.4.5 SAMPLING METHODS, EQUIPMENT AND CHAIN-OF-CUSTODY 14 <br />2.4.6 SAMPLING EQUIPMENT DECONTAMINATION 14 <br />2.4.7 WASTE HANDLING AND DISPOSAL 15 <br />2.5 FRENCH DRAIN ALIGNMENT SURVEY 15 <br />2.6 SOIL GAS SURVEY 16 <br />2.7 BOREHOLE ADVANCEMENT, SOIL AND HYDROPUNCH SAMPLING 17 <br />2.7.1 DIRECT PUSH SOIL SAMPLING 17 <br />2.7.2 HYDROP1UNCH GROUNDWATER SAMPLING 20 <br />2.8 GROUNDWATER MONITORING WELL INSTALLATION 21 <br />2.8.1 MONITORING WELL LOCATIONS 21 <br />2.8.2 PILOT BOREHOLE SOIL SAMPLING 21 <br />2.8.3 MONITORING WELL CONSTRUCTION 23 <br />2.8.4 MONITORING WELL DEVELOPMENT 24 <br />Golden State Environmental, Inc. Los Angeles, San Diego and Houston <br />JULY 2006