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iVicCA��iPEELL I 110 2nd Avenue South, #D7, Pacheco, CA 94553 <br /> ANALYTICAL INC Tele 510-798-1620 Far- 510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date. 10/12/95 Matrix: Air <br /> Concentration (ug/L) Recovery <br />' Analyte Amount RPD <br /> Sample MS MSD Spiked M5 MSD <br /> TPH (gas) 0.0 98.5 99.8 100 99 100 1.3 <br /> Benzene 0 8.7 8.7 10 87.0 87.0 0.0 <br /> Toluene 0 8.5 8.5 10 85.0 85.0 0.0 <br /> Ethyl Benzene 0 8.7 8.5 10 87.0 85.0 2.3 <br /> Xylenes 0 27.2 26.9 30 90.7 89.7 1. 1 <br /> TPH (diesel) N/A N/A N/A N/A N/A N/A N/A <br /> TRPH N/A N/A N/A N/A N/A N/A N/A <br /> (oil & grease) <br /> 1 <br /> % Rec = (MS - Sample) / amount spiked x 100 <br /> RPD = (MS MSD) / (MS + MSD) x 2 x 100 <br /> 1 <br />