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110 2nd Avenue South, #D7, Pacheco, CA 94553 <br />' McCAMPBELL ANALYTICAL INC Tele 510-798-1.620 Fax 510-798-1622 <br /> 1 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> 1 <br />' Date 07/08/97 Matrix Water <br /> Concentration (mg/L) I I % Recovery <br /> Analyte I Sample I Amount I RPD I <br /> I# (78348) MS MSD I Spiked I MS MSD I <br /> TPH (gas) I 0 0 89 5 95 2 I 100 0 I 89 5 95 2 6 2 I <br /> Benzene I 0 0 9 4 9 6 1 10 0 1 94 0 96 0 2 1 I <br />' ( Toluene I 0 0 9 8 10 1 I 10 0 I 98 0 101 0 3 0 I <br /> Ethyl Benzene I 0 0 10 0 10 4 I 10 0 1100 0 104 0 3 9 i <br /> Xylenes I 0 0 30 0 31 2 I 30 0 1100 0 104 0 3 9 <br /> i I I <br /> ITPH (diesel) 0 153 147 I 150 I 102 98 3 7 <br /> I TRPH I 0 23 5 23 8 , 23 7 I 99 100 1 3 <br /> (ail &: grease) I <br />' I I <br /> Rec = (MS - Samole / amcu,[ spiked v 100 <br /> i <br /> RPD (MS - MSD) / kmS + MSD) x 2 x 100 <br /> I <br /> I <br /> • <br /> I <br /> I <br />