WebOct 28, 2024 · On Friday, the Environmental Protection Agency (EPA) is expected to say in a court filing that it will reconsider the National Ambient Air Quality Standards (NAAQS) for ground-level ozone, also known as smog. Under former President Trump, the previous EPA issued the flawed rule in late December 2024, leaving the outdated 2015 standards in … WebIn October 2015, the EPA lowered national ground-level ozone standards from 75 parts per billion (ppb) to 70 ppb. The EPA and other proponents of the standard argued that the …
Implementing EPA
WebThe EPA's final Good Neighbor Plan Rule requires 23 states to cut certain emissions across industries to help states downwind comply with national air quality standards. Our attorneys discuss the ... WebIn 2015, EPA tightened both the primary (health-based) and secondary (welfare-based) standards from 75 parts per billion (ppb) to 70 ppb after concluding that protecting public … simplify 36/72
Implementation of the 2015 National Ambient Air Quality …
WebMar 15, 2024 · The Environmental Protection Agency (EPA) on March 11 proposed a federal implementation plan (FIP) to address the 2015 National Ambient Air Quality Standard (NAAQS) for ozone under the Clean Air Act. The Proposed FIP provides for ozone season NOx reductions from electric generating units and industrial stationary sources. WebMar 31, 2024 · The NO2 nonattainment area became a maintenance area on September 22, 1998. The 8-hour Ozone (1997) standard was revoked on April 6, 2015 and the 1-hour Ozone (1979) standard was revoked on June 15, 2005. All Carbon Monoxide areas were redesignated to maintenance areas as of September 27, 2010. WebFeb 22, 2024 · Scientific and Technical Documents Supporting Current and Past Reviews of Ozone National Ambient Air Quality Standards (NAAQS) Basic Information and Fact … simplify 36/96