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BASELINE INVESTIGATION REPORT <br />DELTA BULK TERMINALS FACILITY <br />PARCEL III <br />PORT OF STOCKTON, CALIFORNIA <br />FOR <br />ME I ROPOLITAN STEVEDORE <br />TABLE OF CONTENTS <br />1.0 INTRODUCTION 1 <br />2.0 PURPOSE AND SCOPE OF WORK 2 <br />3.0 SITE GEOLOGIC AND HYDROGEOLOGIC CONDITIONS 5 <br />3.1 GEOLOGY 5 <br />3.2 HYDROGEOLOGY 6 <br />4.0 BASELINE INVESTIGATION RESULTS 8 <br />4.1 SUBSURFACE SOIL INVESTIGATION 8 <br />4.1.1 CAM Metals 9 <br />4.1.2 Chlorinated Pesticides 10 <br />4.1.3 Organophosph ate Pesticides 10 <br />4.1.4 Total Recoverable Petroleum Hydrocarbons 10 <br />4.1.5 Volatile Organic Compounds 12 <br />4.1.6 Semi-volatile Organic Compounds 12 <br />4.1.7 Elemental Sulphur 13 <br />4.1.8 Sulfates 14 <br />4.2 DISCUSSION OF SULFATE VERSUS TOTAL SULPHUR RESULTS 15 <br />4.3 GROUNDWATER INVESTIGATION 16 <br />4.3.1 CAM Metals 17 <br />4.3.2 Chlorinated Pesticides and PCBs 17 <br />4.3.3 Organophosphate Pesticides 17 <br />4.3.4 Total Recoverable Petroleum Hydrocarbons 17 <br />4.3.5 Purgeable Halocarbons 17 <br />4.3.6 Purgeable Aromatic Halocarbons 18 <br />4.3.7 Elemental Sulphur 18 <br />4.3.8 Sulfates 18 <br />4.3.9 Sulfide 18 <br />4.4 SUMMARY 18 <br />5.0 CONCLUSIONS AND RECOMMENDATIONS 20 <br />5.1 CONCLUSIONS 20 <br />5.2 RECOMMENDATIONS 21 <br />6.0 REFERENCES 22 <br />SAC28.013 December 20, 1991 <br />1 <br />DAMF.S 1)4.001,,E,