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110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> 1 <br /> Date 08/25/97 Matrix Water <br /> ' Concentration (mg/L) °r Recovery <br /> Analyte Sample Amount RPD <br /> 1# (80000) MS MSD Spiked MS MSD <br /> r <br /> f TPH (gas) 0 0 105 3 103 5 100 0 1105 3 103 5 1 7 <br /> ' ( Benzene 0 0 8 9 9 0 10 0 I 89 0 90 0 1 1 <br /> Toluene 0 0 10 2 10 2 10 0 102 0 102 0 0 0 i <br /> Ethyl Benzene 0 0 11 2 11 2 I 10 0 112 0 112 0 0 0 <br /> Xylenes 0 0 33 7 33 8 30 0 112 3 112 7 0 3 <br /> ITPH(diesel) 1 0 104 100 100 104 100 3 9 <br /> TRPH I N/A N/A N/A N/A N/A N/A N/A <br /> (oil & grease) I <br /> 1 <br /> ' Rec = (MS - Sample) / amount spiked x 100 <br /> RPD 'MS - MSD) / (MS + MSD) x 2 x 100 + <br /> { <br /> 1 <br /> 1 <br />