Union of Concerned Scientists

SEPTEMBER 30, 2024

Site assessments for the Comprehensive Environmental Response, Compensation, and Liability Act , or ‘Superfund’, include consideration of multiple exposure pathways and pollutants. So, incrementally, environmental protection is becoming more like real life, where exposures are not singular and isolated.

Air Pollution 271

Air Pollution Toxic Substances Control Act Environmental Protection Ozone 271

Environmental Science

JULY 30, 2018

There are only 6 NAAQS - ozone, carbon monoxide, particulates, lead, sulfur dioxides, and nitrogen dioxides - but they dominate most air quality concerns ranging from smog to health effects, such as from particulates and lead. There remain some problem areas; for example Boston tends to be a non-attainment area for ozone in the summer.

Clean Water Act 52

Clean Water Act Waste Clean Air Act Regulations 52

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