Union of Concerned Scientists

SEPTEMBER 30, 2024

For example, compliance demonstrations for the National Ambient Air Quality Standards (NAAQS) are based on multi-source analyses. Site assessments for the Comprehensive Environmental Response, Compensation, and Liability Act , or ‘Superfund’, include consideration of multiple exposure pathways and pollutants.

Air Pollution 209

Air Pollution Toxic Substances Control Act Environmental Protection Ozone 209

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.

Government 52

Government Law Waste Clean Air Act 52

Environmental Science

JULY 30, 2018

Regardless, places with high densities of emissions, such as industrialized cities, still have air pollution problems, and these are called “non-attainment areas” because those areas fail to attain one or more NAAQS. Implementation of the Clean Air Act is a unique (from a regulatory perspective) partnership between EPA and each state.

Clean Water Act 52

Clean Water Act Waste Clean Air Act Regulations 52