308 - 40 CFR 51.308

Section 308 of the federal Regional Haze Rule. This section requires all states to submit plans to reduce air pollutants which are transported across long distances and reduce visibility in any federal Class I area in the country.

Source: Western Regional Air Partnership. What is Section 308? Section 308 Haze Planning. 2008. Accessed on 9 September 2013. Available at http://wrapair.org