H.R. 4188 · 111th Congress Brownfield Cleanup Enhancement Act StageIn committee SponsorJoe Sestak Introduced2009-12-02 Latest action2009-12-03 · Referred to the Subcommittee on Energy and Environment. Follow Summary Text Subjects Cosponsors (6) Votes (0) Actions Cosponsors (6) Sander Levin Former memberHouseMIDemocrat John Conyers Former memberHouseMIDemocrat Diana DeGette Current member House CO Democrat Al Green Current member House TX Democrat Raúl Grijalva Former memberHouseAZDemocrat Frank Pallone Current member House NJ Democrat