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110 2nd Avenue South,#D7,Pacheco, CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Telc- 510-798-1620 Fax- 510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 03/21/97 Matrix: Water <br /> I Concentration (mg/L) Recovery <br /> Analyte I Sample Amount RPD <br /> 1 (#74495) MS MSD I Spiked MS MSD <br /> I I I I <br /> TPH (gas) 0 . 0 97 .3 99.5 I 100 . 0 I 97 .3 99.5 2 .2 <br /> j Benzene 0 . 0 9.6 9 .8 I 10 .0 I 96 .0 98.0 2 .1 <br /> Toluene 0 . 0 9.9 10 .2 I 10 . 0 I 99.0 102 .0 3 . 0 <br /> Ethyl Benzene t 0 . 0 10 .2 10 .5 I 10 . 0 1102 .0 105. 0 2 . 9 <br /> Xylenes I 0 . 0 30 .4 31 .3 I 30 .0 1101 .3 104 .3 2 . 9 <br /> I l I I <br /> JTPH (diesel) I N/A N/A N/A I N/A I N/A N/A N/A <br /> I I I I <br /> TRPH I N/A N/A N/A I N/A I N/A N/A N/A <br /> { (oil & grease) <br /> f I I I <br /> % Rec. (MS - Sample) / amount spiked x 100 <br /> APD = (MS - MSD) / (VS + MSD) x 2 x 100 <br />