What Are The EPA Criteria Pollutants?
What Are The EPA Criteria Pollutants? EPA has established national ambient air quality standards (NAAQS) for six of the most common air pollutants— carbon monoxide, lead, ground-level ozone, particulate matter, nitrogen dioxide, and sulfur dioxide—known as “criteria” air pollutants (or simply “criteria pollutants”). What are the 7 criteria pollutants? NAAQS are currently set for carbon