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110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAWBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' hM//www mccarnpbeil cam E-mail main@nccampbell com <br />' QC REPORT <br /> VOCs (EPA 824018260) <br />' Date 07119/00-07/20/00 Matnx Soil/Wipe <br /> Extraction NIA <br />' <br /> Compound <br /> Concentration ug/kg %Recovery <br /> Sample MS Amount RPD <br /> MSD Spiked MS MSD <br /> SamplelD 72400 Instrument: GC-4 <br />' I Surrogate 0 000 980 900 10000 98 90 8 5 <br /> tent-Amyl Methyl Ether 0 OQO 940 1070 10000 94 107 12 9 <br /> Methyl tert-Butyl Ether 0 000 1080 1200 10000 108 120 105 <br /> Ethyl tert-Butyl Ether 0 000 111 0 <br /> 1180 10000 ill 118 61 <br /> Di-isopropyl Ether 0 000 940 1000 10000 94 100 62 <br /> Surrogate 0 000 1100 1040 10000 110 104 56 <br /> lieTolune 0 000 1040 1090 10000 104 109 47 <br /> Benzene 0 000 1020 108,TT,— - 10000 102 108 5 7 <br /> Chlorobenzene 0 000 1030 1050 1000o 103 105 1 9 <br />' Tnchloroethane 0 000 92 0 950 10000 92 95 32 <br /> 1,1-Drchloroethene 0 000 111 0 120 0 <br /> 10000 111 120 78 <br /> 1 <br /> 1 <br /> I <br /> (MS—Sample) <br /> %Re covery= rpp <br /> RmauatSptked <br /> RPDA(MS-MSD <br /> zoo <br /> (MS+MSD) <br /> RPD means Relative percent Deviation <br />