This bill amends the Air Pollution Control Act of January 8, 1960, specifically focusing on the regulation of hazardous air pollutants. It introduces a new provision that allows the Department of Environmental Resources to waive the requirement for opacity monitors at cement plants that are already subject to federal particulate matter emissions limitations, provided that these plants have appropriate particulate matter monitors in place. This change aims to streamline regulatory requirements for cement manufacturing facilities while ensuring that air quality standards are still met.

The amendment is designed to enhance operational efficiency for cement plants by reducing redundant monitoring requirements, thereby potentially lowering compliance costs without compromising environmental protections. The bill will take effect 60 days after its passage.