Last week, Inside EPA (subscription required) reported that the Clean Air Science Advisory Committee has pretty much agreed that the National Ambient Air Quality Standards for ozone must be made more stringent. Apparently, the panel is looking at recommending that the primary standard be reduced from 70 ppb to a range of 55-60 ppb. CASAC is also recommending a reduction in the secondary standard.
I’ve blogged numerous times about the role that CASAC recommendations play in judicial review of EPA’s decisions concerning setting the NAAQS. … More