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110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http llwww mccampbell com E-mail main@mccampbell com <br /> 1 <br /> QC REPORT <br /> VOCs EPA 8240/8260 <br />' Date 06/27/00-06/28/00 Matnx Water <br /> Extraction NIA <br />' Concentratlon ug/f_ %Recovery <br /> Compound Amount RPD <br />' Sample MS MSD Spiked MS MSD <br /> SampletD 63000 Instrument GC-4 <br /> Surrogate 0 000 980 940 100 00 98 94 42 <br /> tert-Amy! Methyl Ether 0 000 1050 1100 10000 105 110 47 <br />' Methyl tert-Butyl Ether 0 000 1090 1190 10000 109 119 88 <br /> Ethyl tert-Butyl Ether 0 000 1250 1290 100 00125 129 31 <br /> Di-isopropyl Ether 0 000 1200 1250 10000 <br /> 120 125 41 <br /> 1 <br /> 1� <br /> 1 <br /> 1 <br /> I <br /> (MS—Sample <br /> Recovery= 100 <br /> AmountSpiked <br /> (MS—MSD <br /> I RPD= 2100 <br /> (MS+MSD <br /> RPD means Relative Percent Deviatian <br />