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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 /> httv Hwww mccarn bell com E-mail main@mccampbell com <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> Date 04/14/02 Extraction EPA 5030 Matrix Water <br /> ' Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> ' Sample MS MSD Spiked MS MSD <br /> SamplelD 41402 Instrument GC-12 <br /> ' Surrogatel ND 1020 1020 10000 102 102 00 <br /> Xylenes ND 340 341 3000 113 114 03 <br /> Ethylbenzene ND 94 98 1000 94 98 42 <br /> Toluene ND 98 102 1000 98 102 40 <br /> Benzene ND 102 105 1000 102 105 29 <br /> ' MTBE ND 102 9 8 1000 102 98 4 0 <br /> TPH(gas) ND 949 949 10000 95 95 00 <br /> (MS—Sunrple� <br /> %Recovery= AnururAprked 1�U <br /> (M3—A4SD) <br /> ' RPD= 2100 <br /> (ALS+MSb) <br /> RPD means Relative Percent Deviation <br />