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' Additional Soil and Ground Water Assessment Report <br /> VAN BUSKIRK,GOLF.COURSE FACILITY <br /> 1 1740 Houston Avenue, Stockton, California <br /> TABLE-OF CONTENTS , <br /> SECTION <br /> ' 1.0. INTRODUCTION ... . . . . . .' . . . . . . . . . . . . . . . . . . ... . ..... . . . . . . . . . . . . . . . . 1 <br /> 2.4. . BACKGROUND. . . . . . . . . . . . . . . . .. . . . . . . : . . . : . . . . ... . . . . 1 <br /> . . . . . . . . . . . . . . . . . . . ... ... . . . . . . . . . . . . . . . . . . . . <br /> 2.1. SITE DESCRIPTION ' . . 1. <br /> .2.2. PREVIOUS INVESTIGATIONS . . . . . . .I. . . . . . . . . . . . . ... . . . . . . . 1 <br /> 2.2.1. Gasoline UST Removal . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . 2 <br /> 2.2.2. Diesel UST Removal". . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> .2.2.3. Preliminary Soil and Ground Water Assessment . . . '. :. . . . . . . . . . . . . 2 <br /> 2.2.4. Soil Excavation and Sampling . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 2' <br /> 2.2.5. Site Characterization . .'. . . . . . . . . . . . . . . . . . . . . . . . . . . . .,. 3 <br /> 2.3. SITE HYDROGEOLOGIC CONDITIONS . . . . . . . . . . : . . . . . . . . . 3 <br /> ' 2.4. SITE GEOLOGIC CONDITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 3.0.' , SCOPE OF WORK . . . . . . . . . . . . . . . . . . . . . . : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4. <br /> 90 4.4. SITE INVESTIGATION ACTIVITIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 4.1. SOIL SAMPLE COLLECTION AND ANALYSIS . . . . . . . . . ... . . . . . . . . . . . 5 <br /> 4.2. GROUNDWATER SAMPLE COLLECTION AND ANALYSIS . ... . . . . . . . . 5 <br /> 4.3. MONITORING WELL INSTALLATION AND DEVELOPMENT : . . . . . ... . 6 <br /> 4.4.- GROUND WATER MONITORING . . . .. . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> 5.0. FINDINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7. <br /> 5.1. SHALLOW SUBSURFACE SOIL PROFILE. . . . . . . . . ... . . . . . . . . . . . . . . . . 7 <br /> ' 5.2. GROUND WATER ELEVATION, FLOW DIRECTION AND GRADIENT . . . 7 <br /> 5.3. SOIL ANALYTICAL: RESULTS . . . . . . . . . . . . . . . . . . . . . ... . . . ;. . . 8 <br /> 5.3.1: Benzene, Toluene, Ethylbenzene, and Total Xylenes . . . . . . . . . . . . . . 8 <br /> '1 . . . . . . . . <br /> 5.3.2. Total Petroleum Hydrocarbons as Gasoline . . 8 <br /> 5.3.3. Total Petroleum Hydrocarbons as Diesel : . . . . . . . . . . . . . . . . . . . . . . 8 <br /> 5.3.4. Fuel Oxygenating Compounds . . . . . . . . . . . .... . . . . . . . . . . 9 <br /> 5.4. GROUND WATER ANALYTICAL RESULTS . . . . . . . . . . . . . ... . . . . . . . . . . 9 . <br /> 5.4.1. Benzene, Toluene, Ethylbenzene, and Total Xylenes <br /> 5.4.2. Total Petroleum Hydrocarbons as Gasoline . . . . . . :. . . . . . . . . . .', . . . 9 <br /> ' 5.4.3. Total Petroleum Hydrocarbons as Diesel . ... . . . . . . . . ... . . . . . . . . ... . . . 9 <br /> 5.4.4. Fuel Oxygenating Compounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 <br /> 6.0. SUMMARY AND CONCLUSIONS. <br /> ` . . . . . . . . . . . . . . . . . . . . . . . 10 <br /> +�' Advanced CeoEnvironmental,,Inc. <br />