The Indiana Department of Environmental Management seeks public comment on new rules at 329 IAC 11.5 concerning registration, operational requirements, and closure and financial assurance for biomass anaerobic digesters, gasifers, and boilers, and mobile home salvaging operations. Comments are due April 24, 2009. http://www.in.gov/legislative/iac/20090325-IR-329090193FNA.xml.html.