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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//www mccamobell com E-mail mam@mccampbell com <br /> QC REPORT l <br /> VOCs (EPA 824018260) <br /> ' date 10131101-11101101 Extraction EPA 5030 Matrix Water <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> SamplelD 102601 Instrument GC-10 <br /> Surrogate NO 990 1000 10000 99 100 1 0 <br /> tert-Amyl Methyl Ether NO 106 11 0 1000 106 110 37 <br /> Methyl tert-Butyl Ether ND 95 100 1000 95 100 i 51 <br /> ' Ethyl tert-Butyl Ether NO 105 110 1000 105 110 47 <br /> Di-isopropyl Ether NO 100 103 1000 II 100 103 30 <br /> ' Surrogate ; ND 990 1000 100 00 i 99 100 1 0 <br /> Toluene i NO 106 107 1000 106 107 09 <br /> Benzene NO 106 11 0 1000 106 110 3 7 <br /> Chlorobenzene I ND 108 108 1000 108 108 00 <br /> ' Trichloroethane ND 88 91 1000 88 91 34 <br /> 1,1-Dichloroethene NO 115 11 9 10 00 115 119 34 <br /> 1 <br /> (MS—Sample <br /> %Recovery= RmotmiSp+ked 146 <br />� ' RPD= zloo <br /> (mss+msn) <br /> RPD means Relative Percent Deviation <br />