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Phase II Environmental Site Assessment <br /> Multi-Modal Station <br /> Stockton,San Joaquin County,California <br /> Page 15 <br /> . 5 2.8.2 Block 1 <br /> Two two-to-ane composite soil samples and 13 three-to-one composite soil samples were analyzed for <br /> VOCs No VOC constituents were detected at or above the laboratory reporting limits in any of the soil <br /> samples collected from the Block 1 borings and retained for analyses <br /> Three groundwater samples were analyzed for VOCs by EPA Method 8260B The analytical results of the <br /> groundwater samples analyzed for VOCs are summarized in Table 3, below Boring locations for Block 1 <br /> are shown in Figure 6,Appendix A <br /> Table 3 —Groundwater Analytical Results for VOCs <br /> Block 1 <br /> Constituent— Toluene Tetrachloroethene <br /> Analytical Method- 8260B 8260B <br /> Reporting Limt� 0 5 pg/L 0 5 pg/L <br /> MCLS 150 gg/L 5 pg/L <br /> Sample ID <br /> DBKI-701-1 6/5/02 10 ND <br /> DBKI-722-1-6/5/02 ND 10 <br /> 7 <br /> DBKI-750-1-6/5/02 18 ND <br /> MCL=California Department of Health Services Pnmary Maximum Contaminant Level <br /> µg/L=micrograms per liter=parts per million=ppm <br /> ND=constituent not detected at or above the laboratory reporting limit <br /> 5.2.8.3 Block 2 <br /> Two two-to-one composite soil samples and 20 three-to-one composite soil samples were analyzed for <br /> VOCs No VOC constituents were detected at or above the laboratory reporting limits in any of the soil <br /> samples collected from the Block 2 borings and retained for analyses <br /> Two groundwater samples were analyzed for VOCs The VOC chloroform was detected at a <br /> concentration of 1 6 micrograms per liter (µg/1:.,) in groundwater sample DBK2-830-1-5/30/02 No other <br /> VOC constituents were detected at or above the laboratory reporting limits in any of the groundwater <br /> samples collected from the Block 2 borings and retained for analyses Boring locations for Block 2 are <br /> shown in pp <br /> Figure 7, Appendix A <br /> g <br /> 5.2.8 4 Block 3 <br /> Eight three-to-one composite soil samples were analyzed for VOCs No VOC constituents were detected <br /> at or above the laboratory reporting limits in any of the soil samples collected from the Block 3 borings <br /> and retained for analyses <br /> Three groundwater samples were analyzed for VOCs The analytical results for the groundwater samples <br /> analyzed for VOCs are summarized in Table 4, on the following page Boring locations for Block 3 are <br /> shown in Figure 8, Appendix A <br /> �n CONDOR <br />