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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 I/www mccampbell cum E-mail main@mccampbell coin <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> I <br /> Cate 12/14/01 Extraction TTLC Matrix Water <br /> Concentration ug/L %Recovery <br /> Compound ' Amount T I RPD <br /> Sample MS MSD Spiked MS MSD <br /> SamplelD 121201 Instrument GC-7 <br /> Surrogates _ _ , ND 10190 1070 10000 '1 109 107 19 <br /> I Xylenes ND 309 286 3000 103 95 77 ! <br /> I <br /> Ethylbenzene ND 102 94 1000 102 94 82 <br /> Toluene ND 102 95 - 1000 102 95 71 <br /> Benzene ND 9 4 88 1000 94 88 6 6 <br /> MTBE -- - ND 89 8 3 1000 89 83 70 <br /> TPH (gas) ND 90 0 904 10000 I 90 90 05 <br /> YoRe covety=-j. ntSpikcd 100 <br /> MJ—MSU) <br /> RPD= 2 1D <br /> (MS+MSU) <br /> RPD means Relative Pemml Deviation <br />