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110 2nd Ave South,a#D7, Pacheco CA 94553-5360 <br /> McCAiI PBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> htt>7 J/www mcca obeli com E-mail matn@mccampbell cnm <br /> QC REPORT <br /> VOCs (EPA 824018250) <br /> Date 12/15/01 Extraction NIA Matrix Water <br /> Concentratbon ug/L I %Recavery <br /> ` Compound Amunt MID <br /> i Sample MS MSD oSpied MS' MSD <br /> i <br /> SamplelD 121501 instrument GC-10 <br />' r.S�lrrogate ND 930 940 10000 93 94 I 1 1 <br /> tert-Amyl Methyl Ether ND� 103 101 1000 103 101 20 <br />' E Methyl tert-Butyl Ether NO 88 87 1000 88 87 1 1 <br /> l <br /> EThyl tart-Butyl Ether ND 96 95 1000 96 95 1 0 <br />' Di-isopropyl Ether NO 89 89 100C) 89 89 00 <br /> Surrogate ND 930 940 f 100 00 93 94 1 1 <br /> Toluene NO 103 101 1000 I 103 101 I 20 <br />' Benzene ND 101 10 o 1000 101 100 I 1 0 <br /> Chlorobenzene_ ND 109 107 1000 109 107 19 <br /> Trichloroethene NO 8 3 8 3 1 1000 83 83 0 0 i <br /> 1,1-Dichloroethene NO 9 8 9 7 1000 98 97 1 0 <br /> I (Re coveA&—Sample <br /> 9e ry= 100 <br /> Rn+ounlSp:ked <br /> RPD=(Iff 2100 <br /> +A40) <br /> RPD means Relative Percent Deviation <br />