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Air Quality in Indiana > Reporting > Guidance Materials for the Emissions StatementGuidance 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 :
Contains a great deal of information about emission factors (AP-42 , FIRE ) and codes used for reporting emissions (SCC, NAICS ). Codes Used for Reporting:
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 Quailty and in particular under the Emission Reporting Rule.
