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' 110 2nd Ave South,#137,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 com <br /> I <br /> • QC REPORT <br /> EPA 8015m + 8020 <br /> Date 10121/01-10/22/01 Extraction EPA 5030 Matrix Water <br /> Concentration uglL %Recovery <br /> Compound Amount RPD <br /> Sample M5 MSD Spiked MS MSD <br /> SamplelD 100501 instrument GC-7 <br /> I Surrogatel ND 1000 1070 10000 100 107 68 <br /> Xylenes ND 330 349 3000 110 116 56 <br /> Ethylbenzene f ND 107 11 5 1000 107 115 72 <br /> Toluene ND 107 113 1000 107 113 55 <br /> Benzene ND 9 8 104 1000 98 104 59 <br /> MTBE ND 9 3 9 7 1000 93 97 4 2 <br /> TPH (gas) ND 1030 1095 10000 103 110 11 6 1 <br /> I � <br /> (MS—Sanrple) 100 <br /> %Ra covery= <br /> AmounlSpiked <br /> (AIS-16D)RPD= 2100 <br /> (MS+MSD) <br /> RPD means Relative Percent Deviation <br />