2018-11315: Air Plan Approval; Wisconsin; Particulate Matter Standard
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The Environmental Protection Agency (EPA) is proposing to approve a January 4, 2018, request by the Wisconsin Department of Natural Resources (Wisconsin) to revise its state implementation plan (SIP) for fine particulate matter (PM<INF>2.5</INF>). Wisconsin updated its ambient air quality standards for PM<INF>2.5</INF> to be consistent with EPA's 2012 revisions to the PM<INF>2.5</INF> national ambient air quality standards (NAAQS). Wisconsin also revised its incorporation by reference rule to update references to the EPA monitoring methods.
The agency’s own summary, as published.
What this changes
Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.
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