AQD Rule 290: Handle with Care
Last summer, we wrote about waivers of approval to begin installing equipment prior to acquiring an air Permit-to-Install (PTI). While waivers can prove to be quite useful, they take a backseat to installing under an exemption; and the list of exempt equipment is long (17 pages in fact). The Michigan Department of Environmental Quality’s (MDEQ) Air Quality Division (AQD) is quite generous with their exemption list as they aren’t interested in processing applications and maint