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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 l/www mccamubell co m E-mail main@mccampbell cam <br /> 1 <br /> QC REPORT <br />' VOCs (EPA 824018260) <br /> 1 <br /> Date 11/16/01 Extraction EPA 5030 Matrix Water <br />' Concentration ug/L %Recovery <br /> Compound Amount RPD <br />' Sample MS MSD Spiked MS MSD <br /> SamplelD 111501 Instrument GC-10 <br />' Surrogate ND 1020 1010 10000 102 101 10 <br /> tert-Amyl Methyl Ether ND 94 92 1000 94 92 22 <br /> Methyl tert-Butyl Ether ND 89 87 1000 89 87 23 <br />' Ethyl tert-Butyl Ether ND 107 100 1000 107 100 68 <br /> Di-isopropyl Ether ND 98 96 1000 98 96 21 <br />' Surrogate ND 1020 1010 10000 102 101 10 <br /> Toluene ND 97 99 1000 97 99 20 <br /> Benzene ND 103 105 1 1000 103 105 1 9 <br /> Chlorobenzene ND 102 102 1000 102 102 00 <br />' Trichloroethene ND 90 9 0 10 00 90 90 0 0 <br /> 1,1-Dichloroethene ND 11 5 11 2 10 00L 115 112 2 6 <br /> 1 <br /> • �hLS—Saniple� <br /> t %Re covery= Rnjoundked 100 <br /> p+ <br /> RPD. 2100 <br /> RPD means Relative Percent Deviation <br />