Clean Air Act

Business / Agriculture / Clean Air Act: The primary federal law governing efforts to control air pollution. Federal legislation addressing air pollution was first adopted in 1955 (Air Pollution Control Act, P.L. 84-159) to provide research and technical assistance. Subsequent amendments, most notably the Clean Air Act Amendments of 1970 (P.L. 91-604), 1977 (P.L. 95-95), and 1990 (P.L. 101-549), strengthened the federal role. The Clean Air Act seeks to protect human health and the environment from emissions that pollute the air. The Environmental Protection Agency is required to establish minimum National Standards Ambient Air Quality Standards (NAAQS), while states are assigned primary responsibility for developing compliance. Areas not meeting the standards (nonattainment areas) are required to implement specific control measures. There is no direct federal regulation of agriculture under the Clean Air Act. Two of the NAAQS (for particulates and ozone) could affect agriculture: particulates, because certain agricultural practices, such as prescribed burning and tilling, create airborne particles that might be targeted for control in State Implementation Plans: and ozone, because concentrations of ozone above the standard can adversely affect crop yields. Ozone is formed in the atmosphere when nitrogen oxides and volatile organic compounds (from manufacturing, transportation, and utilities) react in the presence of sunlight (agriculture rarely if ever represents significant sources of ozone precursors).

Other Words for Act

Act Verb Synonyms: behave (oneself), carry on, deport oneself, comport oneself, conduct oneself
Act Noun Synonyms: deed, action, undertaking, operation, step, move, feat, exploit, accomplishment, achievement
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Other Words for Air

Air Noun Synonyms: atmosphere, ambience, aura, climate, feeling, sense, mood, quality
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Other Words for Clean

Clean Verb Synonyms: cleanse, wash, lave, (take a) shower, sponge, mop, scrub, scour, sweep, dust, vacuum, polish, launder, dry-clean, hoover, tidy, neaten, do up, straighten up or out, unclutter, bath, bathe
Clean Adverb Synonyms: completely, entirely, thoroughly, fully, totally, wholly, altogether, quite, utterly, absolutely
Clean Adjective Synonyms: pure, undefiled, unsullied, unmixed, unadulterated, uncontaminated, unpolluted, uninfected, unspoiled or unspoilt, sanitary, disinfected, antiseptic, decontaminated, purified, sterile
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National Ambient Air Quality Standards (NAAQS)

Business / Agriculture / National Ambient Air Quality Standards (NAAQS): National standards set by the Environmental Protection Agency under authority of the Clean Air Act: NAAQS define the maximum allowable concentrations of specified air pollutants in outdoor (ambient) a MORE

Air Pollution

Business / Agriculture / Air Pollution: Contamination of the atmosphere by substances that, directly or indirectly, adversely affect human health or welfare. Air pollution results from human activities, both deliberate releases (as from smo MORE

National Practitioner Data Bank (NPDB)

Health / Health Insurance / National Practitioner Data Bank (NPDB): A database maintained by the federal government that contains information on physicians and other medical practitioners against whom medical malpractice claims have been settled or other disciplinary MORE

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