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110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax.510-798-1622 <br /> 1 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br />' Date 10/21/96-10/22/99 Matrix WATER <br />' I Concentration (mg/L) Recovery <br /> Analyte I Sample j Amount RPD <br /> 1 (#97115) MS MSD Spiked MS MSD <br /> TPH (gas) 0 0 73 0 78 3 100 0 73 0 78 3 6 9 <br /> Benzene 0 0 9 5 9 7 10 0 95 0 97 0 2 1 <br />' Toluene 0 0 9 9 9 9 10 0 99 0 99 0 0 0 <br /> Ethyl Benzene 0 0 9 7 9 7 10 0 97 0 97 0 0 0 <br /> Xylenes 0 0 30 1 29 9 30 0 100 3 99 7 0 7 <br /> I <br /> JTPH(diesel) 0 .0 170 <br /> 171 150 I 113 114 1 1 <br /> TRPH 0 27500 26900 1 23700 116 114 2 2 <br /> (oil & grease) <br /> 1 � <br /> r <br /> V Rec = (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSD) x 2 x 100 <br />