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McCAMPBELL ANALYTICAL INC. 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> Tele:510-798-1620 Fax 510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 02/04-02/05/94 Matrix: water <br /> Concentration (ug/L) Recovery <br /> Analyte Amount .RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.0 106.1 103.1 100 106.1 103.1 2.9 <br /> Benzene 0 10.3 10 10 103.0 100.0 3.0 <br /> Toluene 0 10.4 10.2 10 104.0 102.0 1.9 <br /> Ethyl Benzene 0 10.5 10.3 10 105.0 103.0 1.9 <br /> Xylenes 0 31.8 31.1 30 106.0 103.7 2.2 <br /> TPH (diesel) 0 151 155 150 101 103 2.3 <br /> TRPH N/A N/A N/A N/A N/A N/A N/A <br /> (oil & grease) <br /> % Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> APP 7 10 <br /> E-1"RUN,"'h,V I AL HEAL TH <br /> ProMr�i��R��c;�� <br />