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T110 2nd Avenue South,#D7,Pacheco,CA 94553 <br />' McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> 1 <br />' Date 02/04/97 Matrix Water <br />' Concentration (mg/L) % Recovery <br /> Analyte Sample Amount RPD <br /> 1 (##73427) MS MSD Spiked MS MSD <br /> 1 <br /> TPH (gas) 0 0 91 2 86 0 100 0 91 2 86 0 5 9 <br />' Benzene 0 0 9 0 8 0 10 0 90 0 80 0 11 8 <br /> Toluene 0 0 9 1 8 2 10 0 91 0 82 0 10 4 <br /> Ethyl Benzene 0 0 9 2 8 3 10 0 92 0 83 0 10 3 <br /> Xylenes 0 0 27 4 24 7 30 0 91 3 82 3 10 4 <br /> ITPH (diesel) 0 134 129 150 I 89 86 4 0 <br /> TRPH 0 24100 24200 I 23700 102 102 0 4 <br />' F (oil & grease) <br /> 1 <br />' Rec = (MS - Sample) / amount spiked x 100 <br /> RPI] G (MS - MSD) / (MS + MSD) x 2 x 100 <br /> I <br /> i <br />