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110 2nd Avenue South, #D7,Pacheco, CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele: 925-798-1620 Fax: 925-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> ' Date: 06/04/99 Matrix: WATER <br /> ' I I Concentration (ug/L) I I % Recovery I <br /> I Analyte ( Sample I Amount. I RPD I <br /> I (412493) MS MSD I Spiked I MS MSD I <br /> I I I <br /> TPH (gas) I 0.0 100 .1 90 . 5 I 100 . 0 1100 .1 90 .5 10. 1 <br /> ' I Benzene I 0.0 6. 8 8 . 8 I 10 . 0 I 88 .0 88 .0 0. 0 <br /> Toluene I 0.0 9.1 9.3 I 10 . 0 I 91.0 93 . 0 2 .2 <br /> I Ethyl Benzene I 0. 0 9.2 9. 6 I 10 . 0 I 92 .0 96 .0 4 . 3 <br /> ' I Xylenes I 0.0 27 . 9 29. 0 I 30. 0 I 93 .0 96.7 3 . 9 <br /> I I I 1 <br /> ITPH(diesel) I 0.0 7527 7383 I 7500 I 100 98 1. 9 <br /> I f I I <br /> I TRPH I 0 24100 23500 I 23700 102 99 2 .5 <br /> (oil & grease) I I I <br /> ' Rec. _ {MS - Sample) / amount spiked x 100 <br /> RPI] _ (MS - MSD) / (MS + MSD) x 2 x 100 <br />