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TABLE I <br /> CALIFORNIA WELDING SUPPLY CO., 1000 E. 11th. STREET, TRACY <br /> Results of laboratory analyses of samples from spoil pile after overexcavation. <br /> Samples taken 9/19/1995 by Wm. Hunter. <br /> Analyses performed by FGL Environmental, Stockton <br /> TEST BENZENE ETHYL- TOLUENE XYLENE TPHg TOTAL <br /> BENZENE LEAD <br /> UNITS mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg <br /> METHOD EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 8015M EPA 7420 <br /> SP 1 &2 20-0.5") 10- .5* 2.0-0.5-) 20- .5* 800-(200-) 14-(4.0) <br /> SP 3 &4 2.0-(1.5*) 115-(7.5*) 12.0-(1.5*) 121-(7.5*) 800-(200*) 121-(4.0) <br /> SP 5 &6 13.0-(1.5*) 113-(7.5-) 12.0-(1.5-) 124-(7.5*) 700-(200*) 1544.0) <br /> NOTES: <br /> (4.0) - Detection limit <br /> * - Detection limit adjusted because of dilutions, concentrations, or limited <br /> sample. <br /> Laboratory detection limits: <br /> BTEX - 0.003 mg/kg <br /> TPHg - 0.05 mg/kg <br /> Lead - 4.0 mg/kg <br /> VAt J. & ASSOC. RESULTS OF LAB ANALYSES OF SPOIL PILE SAMPLES <br /> S222C0 LO A visTA <br /> 95825 FROM OVER-EXCAVATION, 9/1995 TAM I <br />