The Department of the Environment seeks public comment on a proposed SIP revision for regional haze. The District has until January 15, 2011, to submit its SIP under the Regional Haze Rule. The SIP also addresses the determination of the Benning Road Generating Station for best available retrofit technology. The hearing will be on August 30, 2010. http://newsroom.dc.gov/show.aspx/agency/os/section/37/release/20232/year/2010 p. 6422.