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II 10 2nd Ave South,#D7, Pacheco, CA 94553-5560 <br /> I McCAMPBELL ANALYTICAL INC telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell co m E-mail main a mccampbell com <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> Date 10119101-10120101 Extraction EPA 5030 Matrix Water <br /> Concentration ug/1, %Recovery <br /> Compound Amount RPD <br /> I Sample M5 MSD 5plked MS MSD <br /> Sample[D 101901 Instrument GC-4 <br /> Surrogate ND 1030 1020 10000 103 102 1 0 <br /> tert-Amyl Methyl Ether ND 107 107 1000 107 107 00 <br /> Methyl tert-Butyl Ether ND 100 100 1000 100 100 00 <br /> Ethyl tert-Butyl Ether ND 98 98 1000 98 98 I 00 <br /> Di-Isopropyl Ether ND 93 92 1000 93 92 I 1 1 <br /> Toluene ND 114 114 1000 114 114 00 <br /> Benzene ND 12 7 12 8 1000 127 128 0 8 <br /> IChlorobenzene ND 100 9 9 1000 100 99 1 0 <br /> Trichloroethane ND 8 7 8 8 1000 87 88 1 1 <br /> 1,1-Dlchloroethene ND 12 7 12 610 00 127 126 0 8 <br /> I <br /> I <br /> I <br /> Ate—Sample <br /> %Re covery= 100 <br /> AmounrSprked <br /> (MS—MSD) <br /> RPD= 2100 <br /> I (dib 4-MSD) <br /> RAD means Relative Percent Deviation <br />