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404 N "get lane <br /> Sequoia Walnut Creek C94598 <br /> 4(1) <br /> (925)988 8-9G00 <br /> FAX(925)988-9673 <br />(„) Analytical vAvw secluoialabs com <br /> 7Gettler Ryan, Inc -Dublin Project Chevron <br /> 6747 Sierra Court Suite J Project Number Chevron#9-2033 Reported. <br /> Dublin CA,94568 Project Manager Deanna L Harding 04-Sep-01 11 14 <br /> Volatile Organic Compounds by EPA Method 8021B - Quality Control <br /> Sequoia Analytical - Walnut Creek <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 1H29009- EPA 5030B [PIT} <br /> Blank(IH29009-BLKI) Prepared &Analyzed 29-Aug-01 <br /> Chloromethane ND 20 Ug/1 <br /> Vinyl chloride ND 1 0 " <br /> Bromomethane ND 12 " <br /> Chloroethane ND 10 " <br /> Trichlorofluoromethane ND 060 " <br /> Freon 113 ND 1 0 <br /> IJ-Dichloroethene ND 10 " <br /> Methylene chloride ND 10 " <br /> trans-1,2-Dichloroethene ND 10 " <br /> 1,1-Dichloroethane ND l0 " <br /> cis-1,2-Dichloroethene ND 10 " <br /> ,11-Trichloroethane <br /> ND 10 T' <br /> ND 10 <br /> Carbon tetrachloride ND 10 " <br /> 1,2-Dichloroethane ND 16 " <br /> Trichloroethene ND I1 " <br /> 1,2-Dichloropropane ND 10 " <br /> Bromodichloromethane ND 10 " <br /> cis-1,3-Dichloropropene ND 10 " <br /> trans-1,3-Dichloropropene ND 060 " <br /> 1,1,2-Trichloroethane ND 050 " <br /> Teirachioroethene ND 060 " <br /> Dibromochloromethane ND 050 " <br /> 1,2-Dibromoethane ND 10 " <br /> Chlorobenzene ND 10 " <br /> Bromoform ND 050 " <br /> 1,2,3 Trichloropropane ND 050 " <br /> 1,1,2,2-Tetrachloroethane ND 060 " <br /> 1,3-Dichlorobenzene ND 050 " <br /> 1,4-Dichlorobenzene ND 12 " <br /> 1,2-Dichlorobenzene ND 12 <br /> Surrogate Dibromodifluoromethane 845 100 845 50-150 <br /> Surrogate 4-8romo luorobenzene 850 100 850 50-150 <br /> uoia Analytical-Walnut Creek The results in this report apply to the samples analyzed to accordance with the chain of <br /> custody document This analytical report must be reproduced in its entirety <br /> Page 16 of 26 <br />