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110 2nd Avenue South,#D7, Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. <br /> Tele:510-798-1624 Fay 510-798-1622 <br /> QC REPORT FOR HXDROCARBON ANALYSES <br /> 1 <br /> Date: 12/15/95-12/16/95 Matrix: Water <br />' Concentration (ug/L) t Recovery <br /> Analyte Amount I RPD <br /> Sample MS MSD € Spiked MS MSD <br /> TPH (gas) 0. 0 115. 5 99. 6 100 116 100 14 . 8 <br /> Benzene 0 8 . 2 9. 0 10 82 90 9-3 <br />' Toluene 0 8 . 2 8. 5 10 82 85 3. 6 <br /> Ethyl Benzene 0 9. 3 8. 9 I 10 93 89 4.4 <br /> Xylenes f 0 27. 0 28.1 30 90 94 4. 0 <br /> ITPH (diesel) 0 154 154 150 103 102 0. 5 <br /> TRPH I N/A N/A N/A N/A N/A N/A N/A <br /> (oil & grease) <br /> t Rec. _ (MS - Sample) / amount spiked x 100 <br />' RPD {MS - MSD} / ;MS + MSD) x 2 x 100 <br /> r <br />