EPA Eyes Tighter Ozone Air Standard | Chemical & Engineering News
Volume 92 Issue 6 | p. 23 | Concentrates
Issue Date: February 10, 2014

EPA Eyes Tighter Ozone Air Standard

Department: Government & Policy
Keywords: EPA, ozone, smog, air quality standard, Clean Air Act

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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