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meet one or more of the federal air quality standards. always stay humble and kind butterfly and sunflower poster Both of these 1977 CAAA established major permit review requirements to ensure attainment and maintenance of the NAAQS.

always stay humble and kind butterfly and sunflower poster

Most facilities get 5 days for an initial repair attempt with no more than 15 days for a complete repair. Allowances for delaying the repairs beyond the allowed time are made for some components where always stay humble and kind butterfly and sunflower poster  repairing the component requires shutting process equipment down. The United States government, through the EPA, assists the states by providing scientific research, expert studies, engineering designs, and money to support clean air programs. In 1997 EPA tightened the NAAQS regarding permissible levels of the ground-level ozone that make up smog and the fine airborne particulate matter that makes up soot. The decision came after months of public review of the proposed new standards, as well as long and fierce internal discussion within the Clinton administration, leading to the most divisive environmental debate of that decade.

The new regulations were challenged in the courts by industry groups as a violation of the U.S. Constitution’s nondelegation principle and eventually landed in the Supreme Court of the United States, whose 2001 unanimous ruling in Whitman v. American Trucking Ass’ns, Inc. largely upheld EPA’s actions. Adult Mortality – particles Infant Mortality – particles230280Mortality – ozone Chronic Bronchitis Heart Disease – Acute Myocardial Infarction130,000200,000Asthma Exacerbation 1,700,0002,400,000 Emergency Room Visits86,000120,000School Loss Days3,200,0005,400,000Lost Work Days13,000,00017,000,000This chart shows the health benefits of the Clean Air Act programs that reduce levels of fine particles and ozone. Major amendments were added to the Clean Air Act in 1977 . The 1977 Amendments primarily concerned provisions for the Prevention of Significant Deterioration of air quality in areas attaining the NAAQS. The 1977 CAAA also contained requirements pertaining to sources in non-attainment areas for NAAQS. A non-attainment area is a geographic area that does not