On December 14, 2011, Indiana submitted a revised State Plan for implementing the revised emission guidelines for Hospital/Medical/Infectious Waste Incinerators (HMIWI). The enforceable mechanism for this revised State Plan is a State rule codified in 326 Indiana Administrative Code (IAC) 11-6. The rule was adopted on August 3, 2011, and became effective on October 28, 2011. A typographical correction was submitted to the Indiana Air Pollution Control Board and accepted on December 6, 2011 and became effective on January 20, 2012.

[77 FR 24407, Apr. 24, 2012]