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- -- =-110 tad 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 />Date: <br />04/17/94 <br />Matrix: Water <br />Concentration <br />(ug/L) <br />% Recovery <br />Analyte <br />Amount <br />RPI <br />Sample <br />MS <br />MSD <br />Spiked <br />MS <br />MSD <br />PH (gas) <br />0.0 <br />98.6 <br />96.6 <br />100 <br />98.6 <br />96.6 <br />2. <br />enzene <br />0 <br />9.4 <br />8.8 <br />10 <br />94.0 <br />88.0 <br />6. <br />oluene <br />0 <br />9 <br />9 <br />10 <br />90.0 <br />90.0 <br />0. <br />thyl Benzene <br />0 <br />9.4 <br />9.7 <br />10 <br />94.0 <br />97.0 <br />3. <br />ylenes <br />0 <br />27.9 <br />28.4 <br />30 <br />93.0 <br />94.7 <br />1. <br />PH (diesel) <br />0 <br />163 <br />144 <br />150 <br />109 <br />96 <br />12. <br />rRPH <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />Dil & grease) <br />% Rec. = (MS - Sample) / amount spiked x 100 <br />RPO = (MS - MSO) / (MS + MSD) x 2 x 100 <br />