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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 i <br /> htip://www.mccampbcll,com E-mail:main@mccampbell,com <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> Date: 09/13101-09/14/01 Extraction' NIA Matrix: Water <br /> - Concentration: ug/L %Recovery <br /> Compound RPD <br /> p Sample MS MSD : Amount M5 MSD <br /> I Spiked <br /> SamplelD: 91301 Instrument: GC 10. <br /> Surrogate -- ND 103.0 101.0 100.00 ! 103 101 i 2.0 <br /> tert-Amyl Methyl,Ether - - ^- ' ND 10.9 10.5 h 10.00 %' 1019 , 105` 3.7 -I <br /> Methyl tert-But l Ether- _T- - ND 10_7 10.3 10.00 F 107 ,' 103 !. 3.8 <br /> Ethyl tert_9utyl Ether ". ' ND_ 10.1 9.6 10.00 A 101 96 I. 5.1 <br /> 71 <br /> Di-isopropyl Ether ND 10.1 9.4 10.00 ;i 101 94 j 7.2 it <br /> Toluene <br /> ND 8.0 8.9 1000 ;i" 80 89 10.7 <br /> 'Benzene - ND = 9.8 $.2 ,� 10.00 98 82 <br /> Chlorobenzene --- __- ND 9.6 8.7 10.00 96 87 9.8 <br /> Trichloroethane '1 ND 9.6 8.8 10.00 96 88 8.7 <br /> 1,1-Dichloroethene ND 8.4 7.7 10.00 84 77 8.7 <br /> %Re covert' AMounrSprked '100 <br /> RPD- .2-100 <br /> MS+A&D) <br /> RPD means Relative Percent Deviation <br />