H.R. 1633 would prohibit the Environmental Protection Agency (EPA) from issuing any new National Ambient Air Quality Standard for particulate matter (PM) greater than
2.5 micrometers in diameter for at least one year from the date of enactment. This legislation also would amend the Clean Air Act (CAA) to exclude, with an exception, PM considered to be “nuisance dust” from regulation by the CAA. That exception would apply to areas without any state, tribal, or local regulation of “nuisance dust” if EPA finds that such dust would cause substantial adverse effects and only if regulating it would result in benefits that outweigh the costs, including economic and employment impacts...
Read full at: http://www.cbo.gov/ftpdocs/125xx/doc12596/hr1633.pdf
