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l 3 0 2nd Ave.South,##D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone;925-798-1620 Fax: 925-798-1622 <br /> h ://www.mc bell.corn E-mail:main@mccampbell.com <br /> QC REPORT <br /> VOCs (EPA 824018260) i <br /> Date: 07124100-07125/00 Matrix: Water <br /> Extraction: NIA <br /> Concentration: ug/L %Recovery <br /> Compound Amount RED <br /> p Sample ' MS MSD Spiked MS MSD I <br /> SampleiO: 72600 <br /> Instrument GC-10 ' <br /> Surrogate 0.000 87.0 95.0 100.00 87 95 8.8 <br /> r Tolune 0.000 82.0 79.0 100.00 82 79 3.7 <br /> Benzene 0.000 83.0 86.0 100.00 83 86 3.6 i <br /> Chlorobenzene 0,000 96.0 89.0 100.00 96 89 .6 <br /> Trichioroethane 0.000 70.0 77.0 100.00 70 77 9.5 <br /> G 11-Dichloroethene 0.000 80.0 84.0 100.00 80 U14.9{ Surrogate 0.000 94.0 97.0 100.00 94 <br /> tert-Amyl Methyl Ether 0.000 ; 95.0 93.0 100.00 95 93 2.1 <br /> Methyl tert-Butyl Ether 0.000 105.0 102.0 I 100.00 105 102 2.9 <br /> r. Ethyl tert-Butyl Ether 0.000 103.0 99.0 ' 100.00 103 99 4.0 <br /> Di-isopropyl Ether 0.000 99.0 97.0 1D0.00 99 97 2.0 <br /> r--, <br /> r <br /> F <br /> _ (MS-Sample <br /> ii %Re covert'= Amountspiked 100 <br /> (MS-MSD) <br /> RPD= 2.100 <br /> (MS+MSD <br /> r <br /> i <br /> RPD means Relative Percent Deviation <br />