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110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL 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 /> I <br />' Concentration (ug/L) % Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> I <br /> 1,1-DCE 0.0 4.9 4.7 5.0 98 94 4.2 <br />' Trichloroethene 0.0 5.0 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 /> % Rec. _ (MS - Sampte) I amount spiked x 100 <br /> RAD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> i <br /> i <br /> r <br />