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110 2nd Avenue South, #137,Pacheco,CA 94553 <br /> ' McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date 08/06/97 Matrix Water <br /> ' I I Concentration (mg/L) } % Recovery <br /> Analyte I Sample Amount RPD <br /> 1$$ (79226) MS MSD I Spiked MS MSD 1 <br /> 1 TPR (gas) 1 0 0 96 1 92 2 1 100 0 1 96 1 92 2 4 1 1 <br /> 1 Benzene 1 0 0 9 5 9 4 1 10 0 1 95 0 94 0 1 1 1 <br /> ' 1 Toluene 1 0 0 10 2 10 0 1 10 0 1 102 0 100 0 2 0 1 <br /> I Ethyl Benzene 1 0 0 10 4 10 2 1 10 0 1 104 0 102 0 1 9 1 <br /> 1 Xylenes 1 0 0 31 5 30 5 1 30 0 1 105 0 101 7 3 2 <br /> 1TPH (diesel) 1 0 139 132 i 150 i 93 88 5 2Its <br /> 1 <br /> 1 <br /> i TRPH 1 N/A N/A N/A 1� N/A N/A N/A N/A 1 <br /> (oil grease) <br /> 1 <br /> 1 <br /> ' Rec = (MS - Sample) / amount sp-'red K 100 <br /> RPD (MS - MSD) / (MS + MSD? 'c 2 x 100 <br />