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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 /> httD-.//www.mccampbell.com E-mail:main@mccampbell.com <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> Date: 11/11/01 Extraction: NIA Matrix: Water <br /> rConcentration: ug/L %Recovery <br /> Compound Amount RPD <br /> Sample: MS MSD Spiked MS MSD <br />' SampielD: 110901 Instrument: GC-10 <br />' Surrogate NO 100.0 100.0 100.00 100 104 0.0 <br /> tent-Amyl Methyl Ether NO 9.4 9-7 10.00 94 97 3.1 <br /> I <br /> Methyl tert-Butyl Ether NO 9.2 9.1 I 10.00 92 91 1.1 <br />' I Ethyl tert-Butyl Ether NO 9.8 9.6 10.00 98 96 2.1 <br /> Di-isopropyl Ether ND 9.0 8.8 10.00 90 88 2.2 <br />' Surrogate NO 100.0 100.0 100.00 100 100 0.0 <br /> Toluene NO 9.7 9.7 10.00 97 97 0.0 <br />' • Benzene NO 9.8 9.7 10.00 98 97 1.0 <br /> Chlorobenzene NO 10.3 10.2 10.00 103 102 1.0 <br /> ' Trichicroethene ND 8.5 8.4 10.00 85 84 1.2 <br /> 1,1-Dichloroethene NO ; 9.2 9.2 L 0.00 92 92 0.0 <br /> • (MS-Sample) <br /> Re covery= Amoundpiked '100 <br /> (A4-MSD) <br /> RFD= •2-100 <br /> ' (MS+MSD) <br /> RPD means Relative Percent Deviation <br />