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I110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hpp//www mccampbell com E-mail main@mccampbell com <br /> lie <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> I <br /> Date 07/12/01 Extraction EPA 5030 Matrix Air <br /> Concentration ug/L %Recovery <br /> Compound 1 Amount RPD <br /> Sample MS MSD I Spiked MS MSD <br /> Sampl_elD 71201 Instrument GC-3 <br /> Surrogatel ND 1000 1030 10000 100 103 30 <br /> Xylenes ND 266 262 3000 89 87 I 1 5 <br />' Ethylhenzene ND 88 87 1000 88 87 1 1 <br /> Toluene I ND 92 91 1000 92 91 1 1 <br /> Benzene ND 92 9 3 1000 i{ 92 93 1 1 <br />' MTBE ND 101 9 6 1000 101 96 51 3 <br /> TPH (gas) I ND 844 82284 00 84 82 2 6 <br /> I• <br /> 1 <br /> 0 <br /> I MS—Sample <br /> Recovery= AmounfSpiked 1 D0 <br /> MS—MSD <br />' RPD= 2100 <br /> (MS+MSD) <br /> RPD means Relative Percent Deviation <br />