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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.
Legal Planet
NOVEMBER 9, 2023
The goal of the Clean Air Act is to achieve national ambient air quality standards (NAAQS), with the primary requirement being protection of public health. As our understanding of the health effects of air pollution has improved, there has been a general trend toward tightening the standards. ppm in 2015.
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Environmental Science
SEPTEMBER 7, 2018
Chlorofluorocarbons (CFCs) : A group of inert chemical used in many industrial and everyday processes such as our refrigerators that are not broken down at lower atmospheric levels and rise to the upper levels, destroying ozone. They are water vapor, carbon dioxide, methane, nitrous oxide, ozone, CFCs, and hydrofluorocarbons.
Law Columbia
JULY 6, 2017
Circuit also rejected EPA’s argument that the court did not have authority to review stays issued under Section 307(d)(7)(D) of the Clean Air Act. Fourth Circuit Said West Virginia District Court Lacked Jurisdiction to Consider Coal Companies’ Clean Air Act Jobs Study Lawsuit. DECISIONS AND SETTLEMENTS.
Legal Planet
DECEMBER 27, 2022
EPA also used satellite studies of the effect of the COVID lockdown, with its traffic reduction, on local pollution, which found that the lockdown resulted in the greatest pollution reductions in areas with higher concentrations of people of color. and ozone concentrations as a result of the standards.”.
Environmental Science
JULY 30, 2018
How the environment is tested. What we think about as “chemical contamination” today, was typically measured with a wet chemistry test for “phenols” and for “oil and grease.” As you might guess, such measurements led to a fairly primitive definition of pollution. Clean Water Act. The Clean Air Act.
PA Environment Daily
JULY 25, 2022
DEP conducted water testing and shared the information, at which point, the Department of Health expressed concerns that the identified levels of methane represent a fire and explosion threat. We know when testing was done. Wastewater can also have various heavy metals and radioactive materials present that can harm health.
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