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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 /> http Hwww mccampbell com E-mail main@mccatnpbell corn <br />' QC REPORT <br /> EPA 8015M + 8020 <br /> t Date 04/17/02 Extraction EPA 5030 Matrix Water/Air <br /> Concentration ug/L %Recovery <br /> Compound Amount TR <br /> Sample MS MSD MS MSD <br /> Spiked <br /> SamplelD 41702 Instrument GC-7 <br />' Surrogatel NO 1070 107 0 10000 107 107 00 <br /> Xylenes NO 330 330 3000 110 110 00 <br />' Ethylbenzene NO 110 110 1000 110 110 00 <br /> Toluene NO 110 110 1000 110 110 00 <br /> Benzene NO 100 10 0 1000 100 100 00 <br /> MTBE NO 11 0 12 0 1000 110 120 8 7 <br /> TPH (gas) NO 98 5 958 10000 96 96 0 7 <br /> I <br /> t <br /> 1 <br /> I� <br /> (hL5-5mnple) <br /> °O — Amounispiked 100 <br /> (AB—A&D) <br />' RPD= 2100 <br /> (AtiS+MSD <br /> RPD means Relative Percent Deviation <br />