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110 2nd Avenue South, #D 7, Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele: 925-798-1620 Fax: 925-798-1622 <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> ' Date: 06/02/99-06/03/99 Matrix: WATER <br /> ' 1 Concentration (ug/kg,ul % Recovery <br /> I Analyte I Sample I Amount 1 RPD <br /> 1 1 (#01963) MS MSD 1 Spiked MS MSD <br /> 11, 1-Dichloroethel 0 106 92 1 100 I 106 92 14 .1 I <br /> t ITrichloroethene 1 0 105 89 I 100 1 105 89 16 .5 <br /> 1EDB I N/A N/A N/A I N/A 1 N/A N/A N/A 1 <br /> IChlorobenzene 1 0 115 97 I 100 1 115 97 17 .0 1 <br /> (Benzene 1 0 108 92 1 100 1 10B 92 16 . 0 <br /> (Toluene 1 0 105 105 1 100 1 105 105 0 .0 <br /> I I <br /> (MS - Sample) / amount spiked x 100 <br /> i <br /> :cPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br />