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1 <br /> 110 2nd Avenue South, #D7,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: 06/04/99-06/05/99 Matrix: WATER <br />' ( Concentration (ug/kg,ul I % Recovery <br /> Analyte Sample I Amount I RPD <br /> J (Y11449) MS MSD I Spiked I MS MSD <br /> 11, 1-Dichlorcethei 0 94 95 1.00 94 95 1.1 <br />' ITrichloroethene 0 91 94 100 I 91 94 3 .2 <br /> IEDI3 I N/A N/A N/A N/A N/A N/A N/A <br /> IChlo robenzene I 0- 100 103 I 100 I 100 103 3 . 0 <br />' IBenzene I 0 94 96 I 100 I 94 96 2. 1 <br /> IToluene I 0 99 101 I 100 I 99 101 2 . 0 <br /> I I I I ! <br />' Rec. _ (MS - Sawle) / amount spiked x 100 <br /> APD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br />