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110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPSELL ANALYTICAL INC. Tele:510-798-1620 Fax 510-798-1622 <br /> • <br /> QC REPORT FOR EPA 8010/8020/EDB <br /> Date: 03/30-03/31/94 Matrix: Water <br /> Concentration (ug/L) 8 Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> 1,1-OCE 0.0 4.9 4.7 5.0 98 94 4.2 <br /> Trichloroethene 0.'0 5.4 4.9 5.0 100 98 2.0 <br /> EDB. 0.0 4.8 5.0 5.0 96 100 4.1 <br /> Chlorobenzene 0-0 5.5 5.5 5.0 110 110 0.0 <br /> Benzene 0.0 5.6 5.4 5.0 112 108 3.6 <br /> Toluene 0.0 5.6 5.4 5.0 112 108 3.6 <br /> Chlorobz (PID) 0.0 5.6 5.4 5.0 112 108 3.6 <br /> X Rec. = (MS - Sampte) / amount spiked x 100 <br /> RPO = (MS - MSO) / (MS + MSD) x Z x 100 <br />