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pPrS <br /> 110 2nd Avenue South,#D7,Pacheco, CA 94558 <br /> I ' McCAWBELL ANALYTICAL INC Tele 925-798-1620 Fax.925-798-1622 <br /> 1 <br /> ' QC REPORT FOR HYDROCARBON ANALYSES <br /> ' Date 09/06/99-09/07/99 Matrix SOIL <br /> rI Concentration (mg/kg) I I W Recovery <br /> I Analyte I Sample I Amount I RPD <br /> 1 (#12144) MS MSD ! Spiked i MS MSD <br /> � I 1 <br /> I I <br /> I TPH (gas) 10 000 2 040 1 981 I 2 03 I 100 98 2 9 <br /> ' Benzene 0 000 0 212 0 214 0 2 1 106 107 0 9 <br /> Toluene 1 0 000 0 216 0 212 I 0 2 1 108 106 1 9 1 <br /> Ethylhenzene 0 000 0 216 0 210 0 2 1 108 105 2 8 <br /> Xylenes 1 0 000 0 618 0 598 i 0 6 I 103 100 3 3 1 <br /> I <br /> I <br /> TPH(diesel) I 0 272 274 I 300 I 91 91 0 8 <br /> I <br /> TRPH 0 0 21 8 22 2 I 20 8 1 105 107 1 8 <br /> (oil and grease) i I I I <br /> 1 I I <br /> 1 <br /> ' t Rec = (MS - Sample) / amount spiked x 100 <br /> RPD =( (MS - MSD) / (MS + MSD) )x 2 x 100 <br /> r <br /> r <br /> r <br /> r <br /> • <br /> r <br /> r <br />