MERCURY POLLUTION-COAL PLANTS Senate SponsorsSen. Barack Obama 1/11/2005SenateSession Sine Die Urges the U.S. Environmental Protection Agency to reconsider its proposed rules concerning mercury pollution from coal-fired electric plants. 5/19/2004SenateFiled with Secretary 5/19/2004SenateReferred to Rules 1/11/2005SenateSession Sine Die