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Soil and Groundwater Investigation <br /> 730 B Channel Street,Stockton,CA <br /> June 1,2004 <br /> r Page 4 <br /> l* ppm in SB-6 Petroleum hydrocarbon staining of soils was observed in boring SB-2 from 30 5 to 35 feet <br /> bgs, in boring SB-3 from 6 5 to 40 feet bgs, and in boring SB4 from 14 5 to 40 feet bgs The depth to <br /> r" groundwater in the borings varied from approximately 33 feet bgs to 38 feet bgs <br /> 1 <br /> 42 RESULTS OF LABORATORY ANALYSES <br /> The soil sample laboratory analytical results are presented in Table 1 The groundwater sample laboratory <br /> analytical results are presented in Table 2 Copies of laboratory analytical results and chain-of-custody - <br />' records for the samples are included in Appendix C <br /> Laboratory analytical results indicate that TPH-G, TEPH-D, TEPH-K, TEPH-MO, BTEX, and gasoline <br /> oxygenates/additives were not detected at or above the laboratory reported detection limits in any of the <br />' soil samples collected from borings SB-1, SB-5, and SB-6 TPH-G and TEPH-D were detected in one soil <br /> sample collected from boring SB-2, and in all soil samples collected from each of borings SB-3 and SB-4 <br /> MTBE was detected in one soil sample collected from boring SB-3 Ethyl benzene was detected in two <br />'I soil samples collected from SB-3 Total xylenes were detected in one soil sample collected from SB-3 <br /> Total lead was detected in all but two of the soil samples collected from all of the borings <br />' Laboratory analytical results indicate that TPH-G, TEPH-D, TEPH-K, TEPH-MO, BTEX, and gasoline <br /> oxygenates/additives were not detected at or above the laboratory reported detection limits in the <br /> groundwater samples collected from borings SB-1, SB-5, and SB-6 TPH-G and TEPH-D were detected <br /> in the groundwater samples collected from SB-2, SB-3, and SB-4 Ethyl benzene and total xylenes were <br /> detected in the groundwater sample collected from SB-3 Total lead was detected in all of the <br /> groundwater samples collected from the borings The groundwater samples were not filtered prior to <br /> analyses for total lead <br /> Ic <br />' �,� CONDOR <br />