The Department of Natural Resources adopted amendments to Mo. Code Regs. Ann. tit. 10, §10-6.050, Start-up, Shutdown, and Malfunction Conditions. This rule, applicable to all installations in Missouri, provides the owner or operator of an installation the opportunity to submit data regarding conditions that result in excess emissions. http://www.sos.mo.gov/adrules/moreg/current/2009/v34n24/v34n24a.pdf.