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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 /> htty Nwww mccamubell com E-mail main@mccampbell com <br />' QC REPORT <br /> VOCs (EPA 8240/8260) <br /> 1 <br />' Date 08121101-08122101 Extraction NIA Matrix Water <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br />' Sample MS MSD Spiked MS MSD <br /> SampleiD 81401 Instrument GC-10 <br />' Surrogate ND 990 1000 10000 - 99 100 IE 1 0 <br /> tent-Amyl Methyl Ether NO 94 95 1000 94 95 1 1 <br /> Methyl tert-Butyl Ether NO 9 8 99 1000 98 �99 1 0 <br />' Ethyl tert-Butyl Ether ND 91 92 1000 91 92 1 1 <br /> Di-isopropyl Ether NO 95 97 1000 95 97 21 <br /> Toluene NO 106 108 1000 106 108 19 <br /> Benzene NO 9 9 101 1000 99 101 i 2 0 <br /> Chlorobenzene ND 10 510 7 1000 105 107 19 <br /> Trichloroethane NO 84 8 4 10 00 84 840 0 <br /> 1,1-Dlchloroethene NO 8 9 8 9 1000 89 r 89 0 0 <br /> 1 <br /> I <br /> I <br /> 1 <br /> (MS—Sample <br /> 6 Re covery= AmounlSprked 100 <br /> (A&—MSD <br />' RPD= 2100 <br /> MS+MSD <br /> RPD means Relative Percent Deviation <br />