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

Most industrial operations invariably involve the handling of hazardous chemicals in some form. This can range from using small amounts of alcohol for cleaning to being exposed to welding fumes for an entire shift. Employee exposure to chemicals is inevitable but employee overexposure is entirely preventable. Employees may be inadvertently overexposed if you don’t have a grasp on the chemicals in your workplace and understand the exposure paths. This could easily become a h

In what will likely have significant impacts on the petroleum industry, the U.S. Environmental Protection Agency (EPA) is proposing revisions to AP-42, Chapter 7. AP-42, the Compilation of Air Pollutant Emission Factors, is the primary compilation of the EPA's emission factor information. AP-42 contains emissions factors and process information for over 200 air pollution source categories (specific industry sector or group). The proposed changes are focused on Chapter 7, Sect