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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 /> • <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> ' Date 04/22/97-04/23/97 Matrix Water <br /> Concentration (mg/L) % Recovery <br /> j Analyte SampleAmount RPD <br /> (,Tr75750) MS MSD Spiked I MS MSD <br /> I <br /> j TPH (gas) 1 0 0 93 3 94 5 100 0 93 3 94 5 1 3 <br /> ' I Benzene 1 0 0 8 8 8 8 10 0 88 0 88 0 0 0 <br /> Toluene 1 0 0 8 8 8 8 10 0 88 0 88 0 0 0 <br /> Ethyl Benzene 0 0 8 7 8 7 I 10 0 87 0 87 0 0 0 <br /> ' Xylenes 0 0 25 6 26 3 30 0 86 0 87 7 1 9 <br /> JTPH (diesel) i 0 136 135 1 150 i 91 90 1 0 <br /> TRPH 0 19900 19500 23700 j 84 82 2 0 <br /> ' (oil & grease) i I I 1 <br /> ' Rec = (MS Sample) / amouit spiked x 100 <br /> RPD (MS - MSD) / SMS + MSD} x 2 x 100 <br />