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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 /> htW://www.mccampbell.com E-mail:main@mccampbell.com <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> Date: 07113/00-07114100 Matrix: Water <br /> Extraction: N/A <br /> Concentration: ug/L %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> SamplelD: 710 Instrument GC-10 <br /> Surrogate. 0.000 i 111.0 112.0 100.00 111 112 0.9 <br /> tert-Amyl Methyl Ether 0.000 103.0 101.0 100.00 103 101 20 <br /> Methyi tert-Butyl Ether 0.000 116.0 119.0 100.00 116 119 2.6 <br /> Ethyl tert-Butyl Ether 0.000 121.0 120.0 100.00 121 120 0.8 <br /> Di-isopropyl Ether 0.000 ; 109.0 109.0 100.00 1 109 109 L .0 <br /> 4 <br /> MS—Sample <br /> %Re covery— Amouwspiked '100 <br /> MS—MSD) <br /> RPD= .2.100 <br /> MS+MSD) <br /> RPD means Relative Percent Deviation <br />