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Method Source Information

Method Source	EPA-NERL
and Contact	U.S. EPA National Exposure Research Laboratory (NERL) [formerly EMSL]
Information	U.S.EPA National Exposure Research Laboratory (NERL) Microbiological and Chemical Exposure Assessment Research Division (MCEARD) [formerly the Environmental Monitoring Systems Laboratory (EMSL), Cincinnati, OH] 26 West Martin Luther King Drive Cincinnati, Ohio 45268-0001 Fax: 513-569-7757 email: DWmethods.help@epa.gov
URL	http://www.epa.gov/nerl/

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