• Associated General Contractors of America has filed comments on a proposed Environmental Protection Agency air-quality standard that it says could make it more likely that areas could flunk and then lose highway funds.
• AGC told EPA it was on the right track, however, with another proposal to let unusual air-pollution events to be excluded when tallying air-quality scores. Dust storms during the current drought and wildfires otherwise could hurt communities and states in the West, AGC said.
• The overall issue revolves around a proposal to lower the allowable level of tiny particles in the air.

From the article:

AGC recently submitted comments to the U.S. Environmental Protection Agency (EPA) on proposed revisions to its National Ambient Air Quality Standards (NAAQS) for fine particulate matter (PM2.5). ...