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Superior Precisian .,00ria/ytica/, Inc. <br /> ry ^ 1555 Burke Unit I ■ San Francisco California 94124 ■ (4 15) 647-2081 / fax (415} 82 1-7 123 <br /> METHOD 8270 SEMIVOLATILE ORGANICS BY GC/MS <br /> Quality Assurance and Control Data - Soil <br /> Laboratory Number 14713 <br /> Average <br /> Method spike <br /> Compound Blank PQL Recovery Limits RPD <br /> (ug/Kg) (ug/Kg) M M (�) <br /> 2-chloronaphthalene: ND<330 330 <br /> 2-nitroaniline: ND<800 800 <br /> acenaphthylene: ND<330 330 <br /> dimethylphthlate: ND<330 330 <br /> 2, 6-dinitrotoluene: ND<330 330 <br /> acenaphthene: ND<330 330 75% 31-137 7$ <br /> 3-nitroaniline: ND<800 800 <br /> 2,4-dinitrophenol: ND<800 800 <br /> dibenzofuran: ND<330 330 <br /> 2 , 4-dinitrotoluene: ND<330 330 67% 28-89 6% <br /> 4-nitrophenol: ND<800 800 99% 11-114 4% <br /> fluorene: ND<330 330 <br /> hlorophenyl-phenyle: ND<330 330 <br /> thylphthlate: ND<330 330 <br /> 4-nitroaniline: ND<800 800 <br /> 4, 6-dinitro-2-methylph: ND<800 800 <br /> n-nitrosodlphenylamine: ND<330 330 <br /> 4-bromo-phenyl-phenyle: ND<330 330 <br /> hexachlorobenzene: ND<330 330 <br /> pentachlorophenol: ND<800 800 98% 17-109 1% <br /> phenanthrene: ND<330 330 <br /> anthracene: ND<330 330 <br /> di-n-butylphthlate: ND<500 700 <br /> fluoranthene: ND<330 330 <br /> benzidine: ND<1700 1700 <br /> pyrene: ND<330 330 81% 35-142 7% <br /> butylbenzylphthlate: ND<330 330 <br /> 3 . 31 -dichlorobenzidine: ND<330 330 <br /> benzo(a]anthracene: ND<330 330 <br /> Page 6 of 7 <br /> Certified Laboratories <br />