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110 2nd Ave South,#D7, Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccatnpbell com_ E-mail mam@mccempbell com <br /> I <br /> i QC REPORT <br /> VOCs (EPA 824018260) <br /> i <br /> iDate 12/20/02 Extraction EPA 5030 Matnx Water <br /> Concentration ug/L %Recovery <br /> Compound Amount RPO <br /> iSample MS MSD Spiked MS MSD <br /> SamplelD 21102 Instrument GC-10 <br /> iSurrogate ND 1000 980 100 00 100 98 20 <br /> Toluene ND 105 105 10 00 105 105 00 <br /> I Benzene ND 100 10 3 1000 100 103 3 0 <br /> Chlorobenzene ND 103 10 5 10 00 103 105 1 9 <br /> Trichloroethene j NO 91 9 3 1000 91 93 2 2 <br /> 1,1-Dichioroethene ND 11 1 11 3 ; 1000 111 113 1 8 <br /> I <br /> I <br />' �AIS—Smnple� <br /> 4S Re cavery= Amoundpiked X00 <br /> RPD= 2100 <br /> MLC+A9SD) <br /> RPD means Relative Percent Devtahnn <br />