Clean Air Act. Country/Territory United States of America Document type Legislation Date 1990 Source FAO, FAOLEX Subject Air & atmosphere Keyword Air quality/air pollution Basic legislation Pollution control Ozone layer Climate change Emissions Monitoring Environmental planning Enforcement/compliance Offences/penalties Environmental standards Geographical area Americas, Arctic, East Pacific, North America, North Atlantic Abstract The objective of the Clean Air Act is to protect human health, welfare, and the environment by maintaining and improving the quality of the air through the development of standards. The Environmental Protection Agency (EPA) establishes national standards for ambient air quality and the states shall implement, maintain, and enforce these standards through a variety of mechanisms. EPA has established national ambient air quality standards to limit levels of "criteria pollutants". each state must develop a State Implementation Plan (SIP) to identify sources of air pollution and to determine what reductions are required to meet federal air quality standards. EPA also establishes and enforces national emission standards for hazardous air pollutants and nationally uniform standards oriented towards controlling particular hazardous air pollutants. Each state must develop a State Implementation Plan to identify the sources of air pollution and to determine what reductions are required to meet federal air quality standards. The Plan shall indicate, among other things the degree to which ambient air emissions from farming practices specific to a geographic area within each state are allowed. Full text English Website www.epw.senate.gov References - Legislation Amended by Chemical Safety Information, Site Security and Fuels Regulatory Relief Act (P.L. 106–40). Legislation | United States of America | 1999 Keyword: Pollution control, Data collection/reporting, Access-to-information, Hazardous substances, Transport/storage Source: FAO, FAOLEX