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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 mccampbell com E-mail main@mccampbell cam <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> Date 03/12/02 Extraction EPA 5030 Matnx Air <br /> Concentration: ug/L °kRecovery <br /> Compound Amount RPD <br /> Sample MS MSD I Spiked MS MSD � <br /> ISamplelD 31202 Instrument GC-7 <br /> Surrogatel ND 1010 1020 10000 101 102 10 <br />' Xylenes ND 308 309 3000 103 103 03 <br /> Ethylbenzene ND 101 102 1000 101 102 1 0 <br />' Toluene ND 101 101 1000 101 101 00 <br /> Benzene ND 96 9 7 1000 96 97 1 0 f <br />' MTBE ND 9 0 8 7 1000 90 87 34 <br /> TPH (gas) ND 995 970 10000 100 97 2 6 <br /> I <br /> S <br />' 96 Recovery= Anm�mlSpiked ]00 <br /> (MS—A&D) <br />' <br /> RPD. zlaa <br /> (Atis+,asD) <br /> RPD means Relative Percent Devtonon <br />