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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 /> httg//www mccampbell com E-mail main@mecampbell com <br /> 1 <br /> QC REPORT <br />' EPA 8015m + 8020 <br /> I <br />' Date 07/12/01 Extraction EPA 5030 Matrix Air <br /> Concentration uglL %Recovery 1 <br /> Compound Amount RPD 3 <br />' Sample MS MSD Spiked MS MSD j <br /> a[p I iD 71201 Instrument GC-3 <br />' Surrogatel ND 1000 1030 10000 100 103 30 <br /> Xylenes ND 266 262 3000 89 87 15 <br /> Ethylbenzene ND 88 87 1000 88 87 1 1 i <br /> IToluene ND 92 91 1000 92 91 1 1 <br /> Benzene ND 9 2 9 3 1 1000 92 93 1 1 <br /> MTBE ND 101 9 6 1000 101 96 51 <br /> TPN (gas) ND 84 4 82 2 10000 84 82 2 6 <br /> r <br /> i <br /> i <br /> i <br /> I - MS-Sample <br /> Recovery- AmountSpiked i00 <br /> MS-MSD <br /> RPD= 2100 <br /> (MS+MSD) <br /> RPD means Relative Percent Deviation <br />