| Environmental Rules Board (Air Pollution Control Division) | |||
|---|---|---|---|
| Rule Name, LSA #, and Subject Matter | Submit Comments and Questions to * | Rule Notices, Actions and Comment Periods | Public Hearings, and Anticipated Adoption and Effective Dates ** |
Nitrogen Oxides Reasonably Available Control Technologies for Lake and Porter Counties Adds rules at 326 IAC 10-7 concerning reasonably available control technology (RACT) requirements for nitrogen oxides (NOx) emissions in portions of Lake and Porter Counties. Specifically, this rulemaking would apply to sources that have the potential to emit 100 tons per year in Calumet, Hobart, North, Ross, and St. John Townships in Lake County and Center, Jackson, Liberty, Pine, Portage, Union, Washington, and Westchester Townships in Porter County. | Seth Engdahl Indiana Department of Environmental Management Phone: (317) 234-9535 | Notice of First Public Comment Period Regulatory Analysis | Public Hearing: Preliminary Adoption 06/11/2025 DIN: 20250409-IR-326250204PHA Public Hearing: Final Adoption TBD DIN: 20250730-IR-326250204PHA 10/16/2025 DIN: 20250910-IR-326250204CHA |
* Copies of rules, comments, and the agency's written response to those comments are open for public inspection at the Office of Legal Counsel, Indiana Department of Environmental Management, Indiana Government Center North, 100 North Senate Avenue, 13th Floor East, Indianapolis, Indiana.
** After a rule is final adopted, IDEM must provide the complete administrative record to the Attorney General’s office in the form of a "promulgation packet." The Attorney General’s office then has forty-five (45) days to review the rule for form and legality before submitting it to the Governor for signature. The Governor has fifteen (15) days to sign or reject the rule and may request an additional fifteen (15) days if necessary. After signature, the rule is submitted to the Legislative Services Agency for publication in the Indiana Register. Unless specifically stated in the rule, the rule becomes effective thirty (30) days after filing with Legislative Services.