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110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http I/www mccamn-ell com E-mail main@mccampbell com <br /> I <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> 1 <br /> Date 06/21/01 Extraction BPA 5030 Matrix Water <br /> 1i <br /> Concentration uglL %Recovery <br /> RPD <br /> Compound Amount i <br /> Sample MS MSD Spiked MS MSD ' <br />' SamplelD 62001 Instrument GC-10 <br /> Surrogate <br /> ND 1110 1150 10000 111 115 35 <br />' ' <br /> tert-Amyl Methyl Ether ND 98 97 1000 98 97 1 0 <br /> Methyl tert-Butyl Ether ND 116 114 1000 116 114 1 7 <br /> Ethyl tert-Butyl Ether ND 89 88 1000 89 88 1 1 <br /> Dl-isopropyl Ether ND 83 91 1000 83 91 l! 92 <br />' Toluene ND 116 116 1000 116 116 0009 0 <br /> it <br /> Benzene ND 106 107 1000 106 107 0 9 ` <br /> Chlorobenzene ND 10 7 107 10 00 107 107 0 0 <br /> Trichloroethane ND 82 8 2 1000 82 82 0 0 <br /> 1,1-Dirhloroethene ND 9 5 9 7 1000 95 97 ! 2 1 <br /> i <br /> 1 <br /> 1 <br /> 1 <br /> MS—Sample <br /> ' %Re covery= AmountSpiked 100 <br /> MS—MSD <br /> RPD= 2100 <br /> ' (MS+MSD) <br /> RPD means Relative Percent Deviation <br />