Issue Date: February 10, 2014
EPA Eyes Tighter Ozone Air Standard
On the basis of available scientific evidence, EPA should consider lowering its ozone standard to between 60 and 70 ppb, the agency’s staff concludes in a draft policy assessment. Tightening the national ambient air quality standard from the current 75 ppb “could provide an appropriate degree of public health protection,” the document says. Ozone, a major component of smog, is linked to a host of health . . .
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