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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://www,mccampbell.com E-mail:main@mccampbell.com <br /> QC REPORT <br /> VOCs EPA 8240/8260 <br /> Date: 02/19/02 Extraction: EPA 5030 Matrix: Water <br /> '. <br /> Concentration: o I <br /> uglL kRecovery f <br /> Compound RPD <br /> 1 Sample', AS MSD Spiked MS MSD <br /> ` SamplelD: 21102 Instrument: GC-10 <br /> f Surrogate NO 100.0 98.0 100.00 100 98 2.0 <br /> tert-Amyl Methyl Ether NO 9.5 9.4 10.00 <br /> 95 94 .1.1 <br /> I Methyl tert-Butyl Ether NO 9.3 9.2 10.00 93 92 1.1 <br /> Ethyl tert-Butyl Ether ND 9.9 9.9 10.00 99 ; 99 0.0 <br /> f <br /> { Dkisopropyl Ether NO 9.8 9.8 10.00 98 98 0.0 <br /> E Toluene NO ; 10.5 10.5 10.00 105 105 0.0 <br /> Benzene NO 10.0 10.3 10.00 .100 103 '3.0 <br /> ~ Chfprobenzene ND 10.3 10.5 10.00 103 105 1.9 <br /> Trichloroethene ND 9.1 9.3 10.00 91 93 2.2 s <br /> 1,1;Dichloroethene NO 11.1 11.3 10.00 111 113 1.8 <br /> s <br /> I <br /> s <br /> e <br />� � (ASS-Sample <br /> %Recovery= .Am-Spiked '100 <br /> I (AE-MSD) <br /> RFD= •2,100 <br /> (1E A43D) <br /> i <br /> :S RPD means Relative Percent Deviation <br />