The Department of Natural Resources will hold a public hearing on proposed new rule 10 CSR 10-5.570, Control of Sulfur Emissions From Stationary Boilers. This rule limits sulfur dioxide emissions from industrial boilers in the St. Louis nonattainment area. The hearing will be March 26, 2009. http://www.sos.mo.gov/adrules/moreg/current/2009/v34n3/v34n3b.pdf pp. 199-202.