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C110 2nd Ave.South, Pacheco,CA 94553-5560 <br /> MCCAMPBELL YTICAL INC. Telephone:925-79620 Fax:925-798-1622 <br /> h=://www.mccatrtobell.com E-mail:main@mccampbell.com <br /> QC REPORT <br /> VOCs (EPA 8240/8260) <br /> L <br /> Date: 06/19/01-06/20/01 Extraction: EPA 5030 Matrix: Water <br /> Concentration: ug/L %Recovery <br /> Compound Amount RPD <br /> Sample; MS MSD Spiked MS MSD <br /> SamolelD: 61901 Instrument GC-10 <br /> Surrogate ND 100.0 100.0 100.00 100 100 0.0 <br /> tert-Amyl Methyl Ether ND 94.0 91.0 10.00 940 910 3.2 <br /> Methyl tert-Butyl Ether ND -94.0 95.0 10.00 940 950 1.1 <br /> Ethyl tert-Butyl Ether ND 95.0 97.0 10.00 950 970 2.1 <br /> Di-isopropyl Ether ND 99.0 101.0 10.00 990 1010 2.0 <br /> L ; Toluene ND 93.0 94.0 10.00 930 940 1.1 <br /> Benzene ND 90.0 92.0 10.00 900 920 2.2 <br /> ( Chlorobenzene ND . 94.0 95.0 10.00 940 950 1.1 <br /> �✓ I <br /> Trichloroethane ND 80.0 80.0 10.00 800 800 , 0.0 <br /> 1,1-Dichloroethene ND 83.0 86.0 11 10.00 830 860 3.6 <br /> L <br /> L <br /> L <br /> C� <br /> MS-Sample <br /> %Re covery= Amoundpiked 100 <br /> MS-MSD) <br /> RPD= •2100 <br /> MS+MSD) <br /> RPD means Relative Percent Deviation <br />