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' 110 2nd Ave South,#137,Pacheco, CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mcc_amphell corn E-mail mam@mccamphell com <br /> M <br /> QC REPORT <br />' VOCs (EPA 824018260) <br /> 1 <br /> Date 02/22/02 Extraction EPA 5030 Matrix Water <br />' Concentration ug/L %Recovery <br /> Compound Amount RPD <br />' Sample MS MSD Spiked MS MSD <br /> Samplell) 22202 Instrument GC-4 <br /> Surrogate ND 890 900 10000 89 90 1 1 <br /> tert-Amyl Methyl Ether ND 113 116 1000 113 116 26 <br /> i Methyl tent-Butyl Ether ND 103 107 1000 103 107 38 <br />' Ethyl tert-Butyl Ether ND 115 119 1000 I 115 119 34 <br /> Di-isopropyl Ether ND 106 109 1000 106 109 28 <br />' Toluene ND 110 11 1 1000 110 111 09 <br /> Benzene ND 116 11 8 1000 116 118 1 7 <br />' Chiorohenzene ND 114 11 6 1000 114 116 1 7 <br /> f Trichloroethene ND 102 103 1000 102 103 1 0 <br />' 1,1-Dichloroethene ND 123 121 10 00 123 121 1 6 <br /> M5—Sample) <br /> 46 Re coverya Amomdprked 100 <br /> (AaCS—MSD <br /> RPD. 2100 <br /> (AIY+MSD) <br /> RPD means Relative Percent Deviation <br />