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I110 2nd Ave South,OD7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-795-1620 Fax 925-798-1622 <br /> http//www mccamvbell com E-mail mam@mccampbell con], <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> Date 03/01/02 <br /> Extraction EPA 5030 Matrix Air <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> Sample M5 MSD Spiked MS MSD <br /> Sam 30102 Instrument GC-12 <br />' Surrogatel ND 980 101 0 10000 98 101 30 <br /> Xylenes ND 328 323 3000 109 108 15 <br />' Ethylbenzene ND 109 106 1000 109 106 28 <br /> Toluene ND 106 103 1000 106 103 29 <br /> 1 Benzene ND 104 101 1000 104 101 2 9 <br /> MTBE ND 9 7 9 6 100 97 96 1 0 <br /> TPH (gas) ND 953 952 10000 95 95 02 <br /> Ii <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> i <br /> MS—Smitple} <br /> %Re covey= RmoantSprked 100 <br />' RPD_(1v1S— SIJ} 2100 <br /> (MS+MSD) <br /> a <br /> RPD means Relative Percent Deviation <br />