Environmental Protection Agency November 10, 2020 – Federal Register Recent Federal Regulation Documents
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Meeting of the National Drinking Water Advisory Council
The U.S. Environmental Protection Agency's (EPA) Office of Ground Water and Drinking Water is announcing a virtual meeting of the National Drinking Water Advisory Council (NDWAC or Council) as authorized under the Safe Drinking Water Act (SDWA). The purpose of the meeting is to allow EPA to present an overview of Safe Drinking Water Act programs for fiscal year 2021 and to receive input from Council members. Additional details will be provided in the meeting agenda, which will be posted on EPA's website at https://www.epa.gov/ndwac prior to the meeting.
Partial Approval and Partial Disapproval of Air Quality Implementation Plans; Arizona; Nonattainment Plan for the Hayden SO2
The Environmental Protection Agency (EPA) is finalizing a partial approval and partial disapproval of an Arizona state implementation plan (SIP) revision for attaining the 2010 1-hour primary sulfur dioxide (SO2) national ambient air quality standard (NAAQS or ``standard'') for the Hayden SO2 nonattainment area (NAA). This SIP revision (hereinafter called the ``Hayden SO2 Plan'' or ``Plan'') includes Arizona's attainment demonstration and other elements required under the Clean Air Act (CAA or ``Act''). The EPA is approving the base year and projected emissions inventories and affirming that the new source review requirements for the area have been met. We are disapproving the attainment demonstration, as well as other elements of the Plan tied to this demonstration, namely, the requirement for meeting reasonable further progress (RFP) toward attainment of the NAAQS, reasonably available control measures and reasonably available control technology (RACM/RACT), enforceable emissions limitations and control measures, and contingency measures.
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