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.tea <br /> l <br /> 110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> I fIf <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> I . <br /> Date: 02/16/96 Matrix: Air <br /> Concentration (ug/L) I I Recovery <br /> Analyte I I Amount I RPD <br /> Sample MS MSD Spiked I MS MSD <br /> TPH (gas) I 0.0 101.4 99. 0 I 100 I 101 99 2 .4 <br /> ;_{ I Benzene I 0.0 9.7 9. 9 I 10.0 I 97.0 99.0 2 .0 <br /> Toluene I 0. 0 10.0 lo.l I 10.0 1100.0 1.01.o 1. 0 <br /> I Ethyl Benzene I 0. 0 9. 9 10.1 I 10.0 I 99.0 101.0 2 . 0 <br /> i I Xylenes I 0. 0 30.1 30.3 I 30.0 1100.3 101.0 0. 7 <br /> ITPH (diesel) I N/A N/A N/A I N/A I N/A N/A N/A I <br /> TRPH I N/A N/A N/A I N/A N/A N/A N/A <br /> r.- (oil & grease) <br /> Rec. _ (MS - Sample) / amount spiked x 100 <br /> l RPD = (MS - MSD) / (MS + MSD} x 2 x 100 <br /> `I <br /> 1 � <br /> I <br />