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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: 11/26/98-11/27/98 Matrix: WATER <br /> i Concentration (mg/L) Recovery <br /> Analyte ]Sample Amount RPD <br /> 1 (#98653) MS MSD Spiked MS MSD <br /> TPH (gas) 0 .0 111.5 124 . 9 100 .0 111.5 124 . 9 11.3 <br /> Benzene 0.0 10.2 10 .0 10 .0 102.0 100 .0 2 . 0 <br />' Toluene 0 .0 10.4 10.6 10.0 104 .0 106 .0 1. 9 <br /> Ethyl Benzene 0 .0 10.1 10 .6 10.0 101. 0 106.0 4 . 8 <br /> Xylenes 0 .0 30.5 30.7 30.0 101.7 102 .3 0 .7 <br /> ITPH(diesel) 0 .0 165 151 1 150 110 100 8. 9 <br /> TRPH N/A N/A N/A N/A N/A N/A N/A <br /> (oil & grease) <br />' $ Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSD) x 2 x 100 <br /> 1 . <br /> 1 <br />