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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 /> htt ://www.rnccam bell.com E-mail:main@mccampbell.com <br /> -1 QC REPORT" <br />{ VOCs <br /> (EPA 824018260) <br /> I'+ <br /> k <br /> Date: 07127101-07/28/01 Extraction: EPA 5030 Matrix: Water <br />} Concentration: ug/L %Recovery <br /> Compound _ I Amount RPD <br /> i Sampie' MS MSD Spiked MS MSD <br /> I <br /> Sampieil7; 726 Instrument: GC-10 <br /> Surrogate NO 100,0 ; 98.0 100.00 100 98 2.0 f <br /> tert-Amyl Methyl Ether ND 9.0 9.0 10.00 90 90 0.0 <br /> Methyl tert-Butyl Ether NO 9.1 9.2 10.00 91 92 1.1 <br /> Ethyl tert-Butyl Ether NO 8.4 8.6 10.00 84 86 2.4 <br /> Di-isopropyl Ether NO 9.0� 8.8 10.00 90 $$ <br /> Toluene NO 8.4 8.4 10.00 84 84 0.0 <br /> Benzene ND $.7 8.710.00 87 87 0.0 l <br /> ` Chlorobenzene ND 10.0 9.9 10.00 1 100 99 1.0 <br /> Trichloroethane NO 7.1 7.2 10.00 71 72 1.4 f <br />. 1,1-Dichloroethene NO 9.1 9.1 10.00 I 91 91 0.0 <br /> f <br /> i <br /> a <br /> } <br /> b <br /> (MS-Sample) <br /> %Recovery= AmaunrSpiked '"0 <br /> (nrS-MSD) <br /> RPD= .2.100 <br /> (W,XISD) <br /> r + <br /> RPD means Relative Percent Deviation <br />