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Indiana Department of Environmental Management
Air Quality in Indiana
Guidance Materials for the Emissions Statement
- Approval of Alternate Emission Factors:
- IDEM Nonrule Policy concerning the use of emission factors not found in U.S. EPA guidance. Available on the IDEM Nonrule Policies page.
- Clearinghouse for Inventories & Emissions Factors:
- Emission Reporting Rules:
- Guidance for the Interpretation of the Term "Emission Data" [PDF]
- This concerns the confidentiality of emission data submitted to the Office of Air Quality and in particular under the Emission Reporting Rule.