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.
1 Over its forty-year span, the benefits of the Clean Air Act â in the form of longer lives, healthier kids, greater workforce productivity, and ecosystem protections â outweigh the costs by more than 30 to 1.