Regulation & law · 08/12/2011

EPA Proposes Approval of South Dakota's Revised Regional Haze State Implementation Plan

The Environmental Protection Agency (EPA) is proposing to approve a revised version of South Dakota's State Implementation Plan (SIP) to address regional haze, a requirement under the Clean Air Act, which aims to prevent future and remedy existing visibility impairment in Class I areas caused by air pollutants from various sources.