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tM S� <br /> 110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622. <br /> htto//www mccam bell cam E-mail main@mccampbell coin <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> Date 03/20/02 Extraction EPA 5030 Matnx Water <br /> Concentration ug/L %Recovery <br /> Compound RPD <br /> Sample MS MSD Amount MS MSD <br /> I Spiked <br /> SamaieiD 31902 Instrument GC-3 <br /> Surrogatel ND 990 1000 1 10000 99 100 1 0 <br /> j Xylenes ND 337 344 1 3000 112 115 21 <br /> Ethyibenzene ND 117 11 7 1000 117 117 00 <br /> Toluene ND 106 11 1 1000 106 111 46 <br /> Benzene ND 95 95 1000 95 95 00 <br /> MTBE ND 84 86 1000 84 86 24 <br /> TPH (gas) ND 890 893 100 00 89 89 03 <br /> %Re covery= AmovMSprked 100 <br /> RPD-(US—MSD <br /> 2100 <br /> (A&+h2SD) <br /> RPD means RcWve Percent Deviabon <br />