An air Permit to Install (PTI) may be required for equipment and activities that emit air contaminants. Michigan Rule 336.1201 (also known as "R201") of the Michigan Administrative Rules for Air Pollution Control (hereafter referred to as the "Michigan Rules") requires that prior to the installation, construction, reconstruction, relocation, or modification of equipment emitting air contaminants, a person must:
- Obtain a Permit to Install (PTI), commonly know as an air permit, OR
- Determine that a permit exemption exists.
The Permit to Install (PTI) program is administered by EGLE's Air Quality Division, Permit Section.