Air Pollution Clean Air Act Ozone Regulations 
Union of Concerned Scientists
MAY 17, 2023
Earlier this month, the Environmental Protection Agency’s (EPA) Clean Air Scientific Advisory Committee (CASAC) released a draft set of recommendations calling on the EPA to tighten its current standard for ground-level ozone pollution to protect public health. But will the EPA follow CASAC’s recommendations?
Legal Planet
AUGUST 22, 2023
States and local air quality regulators have the legal authority to set particulate matter (PM), ozone, and nitrogen oxides (NOx) emissions standards and adopt regulations for these pollutants when they are already in attainment of the national ambient air quality standards ( NAAQS ) set by the U.S.
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Environment, Law, and History
DECEMBER 31, 2020
But the Clean Air Act has nonetheless had a major impact. Here’s what EPA has to say on the subject — and remember, this is from the Trump EPA, which is no fan of regulation: Experience with the Clean Air Act since 1970 has shown that protecting public health and building the economy can go hand in hand.
PA Environment Daily
JANUARY 24, 2023
and numerous affiliated companies (collectively, GWRSI) for violation of Clean Air Act (CAA) locomotive regulations. NOx is a contributor to the formation of summer ozone, and particulate matter smaller than 2.5 microns has been shown to cause lung damage and cancer.
Legal Planet
FEBRUARY 24, 2022
The EJ focus now includes other measures to ensure that vulnerable communities get the benefit of climate regulations. The most powerful tool for assisting those communities, however, may be the National Ambient Air Quality Standards (NAAQS). Air pollution is the biggest threat to poor communities and communities of color.
Legal Planet
AUGUST 24, 2023
At the high temperatures in internal combustion engines, some of the nitrogen in the air actually burns, resulting in the formation NO or NO 2 , which are collectively called NOx. NOx plays a role in forming ground level ozone and final particulates (PM2.5), both of which are human health hazards. grams per mile (gpm) for NOx.
Legal Planet
OCTOBER 26, 2022
discussing the ways in which local air districts can take action to end harmful air pollution from building appliances. In California, CARB and the state’s 35 local air districts share authority to adopt and enforce control strategies to achieve these standards. Download as PDF.
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