Please refer to the glossary on the BERâs website for. explanations of technical terms. Executive summary. This report presents a broad statistical overview of the Small, Medium and Micro. Enterprises (SMMEs) of South Africa. The Department of Trade and Industry (DTI) published a comprehensive report on the SMME. sector of South Africa in 2008. Since then, the.
Congress passed the first legislation to address air pollution with the 1955 Air Pollution Control Act that provided funds to the U.S. Public Health service, but did not formulate pollution regulation. However, the Clean Air Act in 1963, created a research and regulatory program in the U.S. Public Health Service.nder the Clean Air Act states are required to submit a plan for non-attainment areas to reach attainment status as soon as possible but in no more than five years, based on the severity of the air pollution and the difficulty posed by obtaining cleaner air.
Major amendments were added to the Clean Air Act in 1977 (1977 CAAA). The 1977 Amendments primarily concerned provisions for the Prevention of Significant Deterioration (PSD) of air quality in areas attaining the NAAQS. The 1977 CAAA also contained requirements pertaining to sources in non-attainment areas for NAAQS.