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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 /> htt //www mccam bell com E-mail main@mccampbell Com <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> Date 10/11/01-10112101 Extraction NIA Matrix Water <br />' Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> ' Sample MS MSD Spoked MS MSD <br /> SamplelD 101101 Instrument GC-10 <br /> ' Surrogate ND 940 940 10000 94 94 00 <br /> tort-Amyl Methyl Ether ND 93 91 1000 93 91 22 <br /> Methyl tart-Butyl Ether ND 88 86 1000 88 86 23 <br /> Ethyl tert-Butyl Ether ND 92 90 1000 92 90 22 <br /> Dl-isopropyl Ether ND 89 88 1000 89 88 1 1 <br /> ' Toluene ND 92 92 1000 92 92 00 <br /> Benzene ND 8 6 84 1000 86 84 24 <br /> Chlorobenzene ND 9 5 9 3 1000 95 93 2 1 <br /> Trichloroethane ND 7 5 72 1000 75 72 4 1 <br /> 1,1-Dichloroethene ND log <br /> 106 I 10 00 109 106 28 <br /> 1 <br /> 1 <br /> • �MS—Sample <br /> Re covery= Rmoundpiked 100 <br /> 0115—A1S'D <br /> APA= 2 100 <br /> ' (A,9+A1SD) <br /> RPD means Relative Percent Deviation <br />