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1 <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' http.l/www mccampbell corn E-mail main@mccampbell corn <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> 1 <br />' Date 05/14/02 Extraction EPA 5030 Matrix Water/Air <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br />' Sample MS MSD Spiked MS MSD <br /> SamplelD 51402 Instrument GC-3 <br /> I Surroga#e1 ND 980 97 0 100 00 9$ 97 1 0 <br /> Xylenes ND 292 289 30 00 97 96 10 <br /> Ethylbenzene *ND <br /> 9 5 94 1000 95 94 1 1 <br />' Toluene 95 93 1000 95 93 21 <br /> Benzene 92 9 0 1000 92 90 2 2 <br />' MTBE ND 8 8 8 6 1000 88 86 2 3 <br /> • TPH (gas) ND 94 5 94 4 100 00 94 94 01 <br /> I <br /> I <br /> (AE-3—ple) <br /> %Re covery= 100 <br /> RmaunlSpiked <br /> (MS—ALSD) <br /> RPD= 2100 <br /> (ees+AdUD) <br /> APD means Relative Percent Devianan <br />