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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h it tp Hwww mccam bell corn E-mail main@mccampbell com <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> Date 05/03/02 Extraction EPA 5030 Matrix Water <br /> Concentration ug1L %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked M5 MSD <br /> SamplelD 50302 Instrument GC-3 <br /> Surrogatel ND 104 0 1050 10000 104 105 10 <br /> Xylenes ND 298 298 3000 99 99 00 <br /> Ethylbenzene ND 100 100 1000 100 100 00 <br /> Toluene ND 99 99 1000 99 99 00 <br /> Benzene ND 95 9 4 1000 95 94 1 1 <br /> MTBE ND 100 9 4 1000 100 94 6 2 <br /> TPH(gas) ND 856 86 2 100 00 86 86 07 <br /> r� <br /> (MS—Smnple� <br /> %Re wvery= 4trtvernlSPrked 100 <br /> RPD=(AB—AED) 2100 <br /> ABLY+AED) <br /> RPD means Relative Percent Devtahun <br />