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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 mecampbell com E-mail matn@mccampbell com <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> Date 01/08/02 Extraction EPA 5030 Matrix Water <br /> Concentration ug/l_ %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> SamplelD-10802 Instrument GC-3 <br /> Surrogate1 ND 1050 1050 10000 105 105 00 <br /> Xylenes ND 316 329 3000 105 110 40 <br /> Ethylbenzene ND 105 109 1000 105 109 37 <br /> Toluene ND 103 107 1000 103 107 38 <br /> Benzene ND 9 7 101 1000 97 101 4 0 <br /> MTBE ND 9 5 91 1000 95 91 4 3 ' <br /> TPH (gas) ND 841 86 S 10000 jj 84 87 3 2 <br /> a <br /> 1 <br /> AtiS-Sanrple� <br /> %Recovery= Amoundpiked !00 <br /> ArlS-h�D� <br /> RPD= 2100 <br /> (n-s+AEn) <br /> RPD means Relative Percent Deviation - - -- T - - <br />