The Environmental Protection Agency proposed new standards on smog-causing pollutants. Although this will help substantially with health benefits for millions of Americans, it will also create large costs on industry and local governments. This new standard would replace one that President Bush administrated in March 2008. This proposal would set a standard for ground-level ozone of no more than 0.060 to 0.070 parts per million, and would be introduced over a two-decade period.
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