Regulation & law · 22/12/2011

EPA Proposes Approval of Illinois' Plan to Meet 1997 8-Hour Ozone Standard

The US Environmental Protection Agency (EPA) is proposing to approve Illinois' request to redesignate the St. Louis area, which includes parts of Illinois and Missouri, to meet the 1997 8-hour ozone standard. The proposal also involves approving Illinois' plan to maintain the standard through 2025 and the state's emissions inventory.