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IDEM > Rules, Statutes & Policies > Agency Rules Agency Rules

Rulemaking boards are established by state statute, which provides authority for each board to adopt rules to regulate various air pollution, solid and hazardous waste, and water pollution matters. Following are links to the Indiana Administrative Code sections for environmental rules.

Check out Indiana State Environmental Laws (Indiana Code) at Environment (Title 13).

Title 326 Air Pollution Control Board

For the most up-to-date listing of these files, visit the Indiana Administrative Code Title 326 Air Pollution Control Board website.

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Commissioner's Orders

A Commissioner's Order is a permanent enforceable order specifically authorized by an air rule as an alternative to a rule requirement. Once issued, a Commissioner's Order becomes a condition in an air permit. In most cases, a Commissioner's Order will be submitted to U.S. EPA for approval as an amendment to Indiana's state implementation plan for the Clean Air Act.

The following Commissioner's Orders are currently on public notice:

The following Commissioner's Orders are final:

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Title 327 Water Pollution Control Board

To access these articles in Document [DOC] format, visit www.IN.gov/legislative/iac/title327.html.

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Title 328 Underground Storage Tank Financial Assurance Board

To access these articles in Document [DOC] format, visit www.IN.gov/legislative/iac/title328.html.

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Title 329 Solid Waste Management Board

To access these articles in Document [DOC] format, visit http://www.IN.gov/legislative/iac/title329.html

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