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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 mccam-bell com E-mail main cr mccampbell com <br /> QC REPORT <br /> ' EPA 8015m + 8020 <br /> Date 04/13/02 Extraction EPA 5030 Matrix Water <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> ' <br /> Sample MS MSD MS MSD �Spiked <br /> SamplelD 41202 Instrument GC-12 <br /> ' Surrogatel ND 1140 1140 10000 114 114 00 <br /> Xylenes ND 323 323 3000 108 108 00 <br /> Ethylbenzene ND 100 100 1000 100 100 00 <br /> ' Toluene ND 99 99 1000 99 99 00 <br /> Benzene ND 9 8 9 5 1000 98 95 31 <br /> MTBE ND 94 97 1000 94 97 31 <br /> TPH(gas) ND 941 945 10000 94 94 0 4 <br /> MS—Sample) <br /> Recovery= AniounlSpk4d 100 <br /> (MS—MSD <br /> RPD= 2100 <br /> (MS+MSD <br /> RPD means Relative Percent Deviation <br />