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ry i <br /> 110 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> MCCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br />' QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> I <br />' Date 05/01/98 Matrix WATER <br />' I Concentration (ug/kg,ul % Recovery <br /> Analyte I Sample Amount RPD <br /> I0#88455) MS MSD Spiked MS MSD <br /> 11, 1-Dichloroethel 0 83 89 100 63 89 7 0 <br />' Trichloroethene 1 0 85 88 I 100 85 88 3 5 <br /> EDB I N/A N/A N/A N/A k N/A N/A N/A <br /> IChlorobenzene 1 0 105 11l 100 105 ill 5 6 <br />' Benzene 1 0 110 113 100 210 113 2 7 <br /> Toluene I 0 103 109 100 103 109 5 7 <br />' W Rec = (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSD) x 2 x 100 <br /> I <br /> I <br />