Environmental Protection Ozone Regulations 
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.
Union of Concerned Scientists
SEPTEMBER 30, 2024
Earlier this year, environmental health advocates scored a big win when the EPA (Environmental Protection Agency) updated the ethylene oxide sterilizer rule requiring commercial sterilizers to significantly lower their emissions. It’s important to look at the bigger picture.
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Clean Energy Law
JUNE 1, 2021
At a contentious board hearing on May 7, 2021, the South Coast Air Quality Management District (SCAQMD) approved a first-in-the-nation rule to regulate trucking emissions from warehouses by a 9-4 vote. These state and federal standards require areas to reach certain ambient concentrations of ozone to be considered in “attainment.”
Environmental News Bits
MARCH 6, 2023
A federal appeals court on Friday dismissed a lawsuit brought by a utility-supported organization that sought to overturn the Environmental Protection Agency’s revised 2021 Cross-State Air Pollution Update Rule for ozone.
Law and Environment
JANUARY 9, 2023
Especially when it’s good news about effective international cooperation on environmental protection issues. . Today, the New York Times reported that a recent assessment shows that the world is on track to reach pre-1980 levels of upper atmosphere ozone by roughly 2040.
Union of Concerned Scientists
JULY 9, 2024
Hydrofluorocarbons (HFCs) were developed to replace a type of chemical that impacted the ozone layer in our upper atmosphere, but these replacements are potent greenhouse gases. When facilities emit less pollution, their regulations require less specific record-keeping and monitoring.
Union of Concerned Scientists
DECEMBER 1, 2022
In order to enforce those standards, the state must be granted a waiver by the Environmental Protection Agency, something which Congress makes very clear should be given under virtually all conditions. Over 10,000 UCS supporters chimed in with EPA in support of granting California’s ability to enforce its truck regulations.
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