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' Stockton Plating Inc. <br /> soil a Groundwater Investigation <br /> April 19, 1994 <br /> Page - 10 - <br />' 5.0 LABORATORY ANALYSES and RESULTS <br /> 5.1 Soil Samples <br />' The soil samples were analyzed for benzene, toluene, ethyl <br />' benzene,and xylene (BTEX) by EPA Method 8020, for total petroleum <br /> hydrocarbons, quantified as gasoline (TPH-G) by Method 5030/LUFT, <br />' and for total extractable petroleum hydrocarbons, quantified as <br /> diesel (TEPH) by Method 3550/LUFT. See Table 1 below and Figures <br /> 4, 5, and 6 for laboratory results . Laboratory report sheets <br />' indicating analytical methods used, detection limits, and results <br /> of analyses are contained in Appendix B. <br /> TABLE 1 <br /> LABORATORY RESULTS <br /> Soil Samples <br /> Sample ID B T E X TPH-G TEPH <br />' Detection Limits 5.0 5 0 5.0 5 0 2.5 5 0 <br /> Reporting Units pg/kg pg/kg pg/kg pg/kg mg/kg mg/kg <br /> 651-MW1-25 ND ND I ND ND ND ND <br /> 651-MW1-35 ND ND ND ND ND ND <br /> 651-MW1-50 ND ND ND ND ND ND <br />' 651-MW2-25 ND ND ND ND ND ND <br /> 651-MW2-35 ND ND ND ND ND ND <br /> 651-MW2-45 ND ND ND ND ND ND <br /> 651-MW3-20 340 ND ND 35 ND ND <br /> 651-MW3-30 55 36 ND 20 ND ND <br /> 651-MW3-45 530 500 ND 120 8 .2 ND <br /> IUnit conversions. <br /> pg/kg parts per billion (ppb) B,T,E,X - benzene, toluene, ethyl benzene, and xylene. <br /> mg/kg.parts per million (ppm) TEPH - total petroleum hydrocarbons, quantified as kerosene, <br /> diesel and motor oil <br /> TPH-G - total petroleum hydrocarbons, quantified as gasoline <br /> ND - none detected at or above laboratory detection limits <br /> k <br /> �Q <br /> p CONDOR <br />