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110 2nd Ave South,4D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> httn//www mcmpbell com E-mail ma►n@mccampbell com <br /> ca <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> i <br /> Date 03/01/02 Extraction I=PA 5030 !Matrix Air <br /> Concentration uglL %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> SamplelD 30102 Instrument GC-12 <br /> Surrogates ND 980 101 0 10000 98 101N28 <br /> Xylenes ND 328 323 3000 109 108 <br /> Ethylbenzene ND 109 106 I 100o 109 106Toluene ND 10S 103 10 00 106 103 <br /> i Benzene ND 104 101 1000 104 101 29 <br /> MTBE ND 97 9 fi10 00 97 96 1 0 <br /> TPH (gas) ND 95 3 952 100 00 95 95 1 02 <br /> i <br /> • <br /> (1l LS—Sa7tple� <br /> °fo-Re covery= AaiautwSprked 10D <br /> RYA=( — D) 2100 <br /> ( E+MSD <br /> RFD means Relative Percent Devian. <br />