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110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> EW, <br /> AMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> kitty//www mccampbell cam E-matI main@mccampbell cam <br /> QAC REPORT <br /> VOCs (EPA 824018260) <br /> Date 11/09/01 Extraction NIA Matrix Water <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> Sample MS MS© Spiked MS MSD <br /> Samplell) 110901 Instrument GC-10 <br /> Surrogate ND 1000 1000 100 00 100 100 00 <br /> tert-Amyl Methyl Ether NO 94 97 1000 ! 94 97 31 <br /> Methyl tert-Butyl Ether ND 92 91 1000 92 91 1 1 <br /> Ethyl tert-Butyl Ether ND 98 96 loco 98 96 21 <br /> Dl-isopropyl Ether NO 90 88 1000 90 88 22 <br /> Surrogate NO 1000 1000 10000 100 100 0 0 <br /> Toiuene NO 97 97 1000 97 97 00 <br /> Benzene ND 98 9 7 loco 98 97 1 0 <br /> Chlorobenzene NO 103 102 1000 103 102 10 <br /> Trichloroethene ND 8 5 8 4 1000 85 84 1 1 2 <br /> 1,1-Dichlaroethene ; ND 9 2 92 1000 92 92 00 <br /> (ntis-s�,pre) <br /> Re cwery= Am fsplked 100 <br /> (l —MSD) <br /> RPD= z loo <br /> (,mss.A&D) <br /> RPD means Relative Percent Deviation <br />