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i <br /> 110 2nd Avenue South,#D7, Pacheco,CA 94553 <br /> ' McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> 1 <br /> QC REPORT FOR VOCs (EPA 8240/8260 } <br /> r <br /> rDate 08/11/97-08/12/97 Matrix Water <br /> rI Concentration (ug/kg,ul I % Recovery I <br /> Analyte I Sample I Amount I RPD <br /> 1# (79502) MS MSD I Spiked I MS 14SD l <br /> 11, 1-Dichloroethel 0 0 100 0 97 0 1 100 1 100 97 3 0 1 <br /> r 1Trzchloroethene I 0 0 83 0 83 O I 100 I 83 83 0 0 1 <br /> 1ED13 I 0 0 95 0 89 0 l 100 l 95 89 6 5 1 <br /> IChlorobenzene I 0 0 97 0 93 0 1 100 I 97 93 4 2 1 <br /> lBenzene I 0 0 105 0 101 0 l 100 I 105 101 3 9 <br /> ' IToluene 4 0 0 101 0 100 0 1 100 1 101 100 1 0 1 <br /> 1 I I I 1 <br /> lob <br /> rRec = (MS - Sample) 1 amount spihea x 100 <br /> RPD = I" - MSD) / (VG + MSD) x 2 x 1D0 <br /> r <br /> r <br /> r <br /> r <br /> r <br /> r <br /> r <br /> r <br />