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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 /> F4' http//www rnccampbell com E-mail mam@mccampbell com <br /> • QC REPORT <br /> EPA 8260B <br /> 1 <br /> Date 05/31/02 Extraction EPA 5030 Matrix Water <br /> Concentration ug/L %Recovery <br /> Compound --1 RPD <br />' - Sample MS -- MAmount SD MS— MSD <br /> Spiked _ <br /> Sam 53102 Instrument GC-4 <br /> Surrogate ---- NO 106 0 —106 D —100 00 106 108 00 <br />' tent-Amyl Methyl Ether ND 11 0 9 6 10 00 110 9671 <br /> 136 <br /> ---- - -- <br /> Methyl tert-Butyl Ether NO 10 9 9 5� 10 00 109 95 13 7 <br />' Ethyl tert-Butyl Ether NO 11 1 98 1000 111 98 124 <br /> D1-isopropyl Ether NO 116 100 1000 116 100 14$ <br /> 1 <br />� i <br /> 1 <br /> 1 <br /> 1 <br /> I <br /> I <br /> I <br />! (htiS—Sample) <br /> Re covery= 100 <br /> AmoamSprked <br /> (�s-MSD) <br /> RPD= 2100 <br /> (MS+A&D) <br /> RPD means Relative Percent Deviation <br />