Every day, you need to make sure to get 4,200 mg of potassium for digestion, to maintain healthy blood pressure, to carry out muscle contractions, and also for proper nerve, kidney, and heart functions.
Over the next decade, the legislation was once again amended to extend these deadlines and to mandate states to revise their implementation plans. Congress did not amend the Clean Air Act during the decade of the 1980s, in part because President Reagan's administration placed economic goals ahead of environmental goals.
Summary. The economic value of the public health and environmental benefits that Americans enjoy from the Clean Air Act Amendments of 1990 exceed their costs by a margin of four to one, according to the study.he report projects that the Clean Air Act Amendments and their associated programs prevent thousands of premature deaths related to air pollution, and millions of asthma attacks as well as a wide range of additional human health and ecological effects.