EPA Deputy Administrator has put up an interesting post on his blog "Flow of the River." EPA is in the middle of a rulemaking which would tighten the air quality standard for ozone, a.k.a. smog. The Clean Air Act requires EPA to set the standard based on public health considerations. Peacock writes,
I have something to say today for the sake of those many states, cities, counties and other local entities that have been commenting on EPA's proposal to tighten the National Ambient Air Quality Standard (NAAQS) for ozone: