2019-26028: Promulgation of State Implementation Plan Revisions; Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standards; Wyoming
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On October 1, 2015, the Environmental Protection Agency (EPA) promulgated the 2015 ozone NAAQS, revising the standard to 0.070 parts per million. Whenever a new or revised National Ambient Air Quality Standard (NAAQS) is promulgated, the Clean Air Act (CAA or Act) requires each state to submit a State Implementation Plan (SIP) revision for the implementation, maintenance and enforcement of the new standard. This submission is commonly referred to as an infrastructure SIP. In this action we are proposing to act on multiple elements of the Wyoming infrastructure SIP submission with respect to infrastructure requirements for the 2015 ozone NAAQS, which was submitted to the EPA on January 3, 2019.
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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