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d.b <br /> North State Environmental <br /> Chemical Waste Disposal •Trucking • Consulting <br /> CERTIFICATE OF ANALYSIS <br /> Lab No: 96-904 Date Sampled: , 12-09-96 <br /> Client: Semco/HK2 Date Analyzed: 12-17-96 <br /> roject: 1131 Holly Dr. Tracy, CA Date Reported: 12-17-96 <br /> DETERMINATION OF TOTAL PETROLEUM HYDROCARBONS <br /> GRAVIMETRIC METHOD 5520 F <br /> SAMPLE NO CLIENT ID ANALYTE METHOD RESULT <br /> 96-904-01 Pit Bottom TEPH 5520 F ND <br /> @9' SOIL ' <br /> r <br /> 96-904-02 SPI-4 TEPH 5520 F 10000 mg/Kg <br /> COMP SOIL <br /> QUALITY CONTROL/QUALITY ASSURANCE SUMMARY. <br /> REPORTING MS/MSD <br /> ANALYTE METHOD LIMIT BLANK RECOVERY RPD <br /> TEPH 5-20 F 50 mg/Kg ND 79 4 <br /> ELAP Certific e O: 1753 <br /> Reviewed d proved: <br /> John A. Murphy,Lab atory Director <br /> P. O . Boz 5624 South San Francisco , California 94083 415-588-2838 FAX 588 - 1950 <br /> r <br />