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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 /> hn//www mccampbell com E-mail main@mccampbell com <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> Date 03/16/02 Extraction EPA 5030 Matrix Air <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> Sample MS MSDSpeed MS MSD <br /> SamplelD 31902 Instrument GC-3 <br /> Surrogate1 NO 1010 1020 10000 101 102 10 <br /> Xylenes NO 320 322 30 00 107 107 06 <br /> Ethylbenzene NO 104 105 10 00 104 105 1 0 <br /> Toluene NO 95 105 10 00 95 105 100 <br /> Benzene ND 9 3 9 4 1000 93 94 1 1 <br /> MTBE NO 8 7 8 9 10 GO 87 89 2 3 <br /> TPH (gas) NO 881 89 6 100 40 88 90 1 7 <br /> I• <br /> I <br />' <br /> Recovery Adg—Sample <br /> 100 <br /> % = Amounispiked <br /> MS—AED) <br /> RPD= 2 900 <br /> (A25+AffD) <br /> RPI}means Relative Percent Deviation <br />