"1960-03-21Z"^^ . . . . "Deputy Administrator of theEnvironmental Protection Agency" . "Marcus C. Peacock (born March 21, 1960) was the minority staff director at the U.S. Senate Committee on the Budget. He is a former Deputy Administrator of the United States Environmental Protection Agency (EPA). He served at the EPA from August 8, 2005 to January 20, 2009."@en . "Peacock, Marcus C."@en . "Marcus Peacock"@en . "American government official" . . . "1960Z"^^ .