Fact Sheets

• Air Construction Permitting Exemption for Small Units
• Small Unit Exemption (SUE) Eligibility for Equipment Subject to a NESHAP |
  A facility owner or operator is not eligible to use the small unit exemption (SUE) (567 IAC subrule 22.1(2)”w”) if an emission unit emits a hazardous air pollutants and is “required to be reviewed for compliance” with a National Emission Standard for Hazardous Air Pollutants (NESHAP). This DNR guidance document helps explain this requirement, and includes several examples of equipment that can still use the SUE, and some equipment that may no longer qualify for the SUE because of NESHAP requirements.
• Manually Operated, Non-Production and Equipment Vented Indoors

Forms

• Small Unit Exemption - Cumulative Notice Threshold Summary Form |
• Exemption Justification Document Template |