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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 /> ht //www mccam bell com E-mail mam mccam bell com <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> 1 <br /> Date 04/14/02 Extraction EPA 5030 Matrix Water <br /> Concentration uglL %Recovery <br /> Compound Amount RPD <br /> ' Sample MS MSD Spiked M5 MSD <br /> Sa__mnlelD 41402 Instrument GC-7 <br /> ' Surrogatel ND 990 920 10000 99 92 73 <br /> Xylenes ND 328 331 3000 109 110 09 <br /> ' Ethylbenzene ND 98 101 1000 98 101 .30 <br /> Toluene ND 89 93 1000 89 93 44 <br /> Benzene ND 87 8 5 1000 87 85 23 <br /> ' MTBE ND 89 8 8 1000 89 88 1 1 <br /> TPH(gas) ND 1000 100 3 100 00 100 100 0 3 <br /> i <br /> % <br /> i <br /> i <br /> 1 <br /> ' (MS-5amplc} <br /> Recovery= ;i, 5prked 100 <br /> h95—MSD) <br /> RPD= 2100 <br /> (MS+MSD <br /> RPD means Relative Percent Deviation <br />