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E% M 0111111111 M M M -me miiil M mill in M�b <br /> Table 5-1 Summary of Simulprobe soil and groundwater sampling results for boring NP-1 at former UNOCAL Station <br /> No 2859, 1665 Pacific Ave , Stockton, CA , sampled January 4-6, 1999 <br /> i I <br /> Soil Samples <br /> Sample TPH-Gasoline MTBE Benzene Toluene Ethylbenzene Total Xylenes <br /> Depth (ft hgs) Sam le ID mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg COMMENTS <br /> 10 NPI-10 ND<I ND<0 005 ND<0 005 N0<0 005 ND<0 005 ND<0 005 <br /> 20 NPI-20 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 <br /> 30 NP1-30 ND<I ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 <br /> 40 NPI-40 13 ND<0 005 0 078 1 1 028 1 9 <br /> 50 NPI-50 50 ND<0 005 1 1 6 7 1 3 81 <br /> 60 NP1-60 290 ND<0 050 58 26 6 7 44 <br /> 70 NP1-70 ND<1 ND<0 005 ND<0 005 0 018 ND<0 005 0 017 <br /> 80 NPl-80 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 <br /> 90 NPI-90 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 <br /> Water Samples <br /> Sample TPH-Gasoline MTBE Benzene Toluene Ethylbenzene Total Xylenes <br /> Depth (ft hgs) Sample ID ug/L ug/L U91L U91L ug/L U91L COMMENTS <br /> 30 NPl-30 NS NS NS NS NS NS No water after 20 min <br /> 40 NPl-40 NS NS NS NS NS NS No water after 25 min <br /> 50 NP1-50 200000 ND<100 11000 57000 3700 32000 <br /> 60 NP1-60 170000 ND<100 21000 43000 5000 31000 <br /> 70 NP1-70 36000 ND<100 1200 4800 1200 7500 Very turbid <br /> 80 NP1-80 NS NS NS NS NS NS No water <br /> 90 NPI-90 NS NS NS NS NS NS W No water <br /> NS = not sampled, ND = non detect <br /> ft bgs = feet below ground surface <br /> G\APRO_SHO\UNOCAL\C_VALLEYIPACIFIC\UNCO2859 XLS <br />