Environmental Protection Agency March 29, 2018 – Federal Register Recent Federal Regulation Documents
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Air Plan Approval; Ohio; Ohio NSR PM2.5
The Environmental Protection Agency (EPA) is proposing to approve, under the Clean Air Act (CAA), revisions to Ohio's state implementation plan (SIP) as requested by the Ohio Environmental Protection Agency (OEPA) on March 10, 2017, and supplemented on July 18, 2017. The revisions to Ohio's SIP implement certain EPA regulations for particulate matter smaller than 2.5 micrometers (PM2.5) for nonattainment areas by establishing definitions related to PM2.5 and defining PM2.5 precursors. The revisions also incorporate the findings of a comprehensive precursor demonstration performed by OEPA, which determined that volatile organic compounds (VOC) and ammonia (NH3) are an insignificant source of PM2.5 for the purpose of new source review in nonattainment areas in Ohio.
Registration of Isobutanol as a Gasoline Additive: Opportunity for Public Comment
The Environmental Protection Agency (``EPA'' or ``the Agency'') is seeking public comment on any aspect of the use of isobutanol in gasoline. Butamax Advanced Biofuels, LLC (``Butamax''), a manufacturer of isobutanol, has submitted an application pursuant to the regulations titled ``Registration of Fuels and Fuel Additives'' for the registration of isobutanol as a gasoline additive at up to 16 volume percent. Butamax has submitted information that would likely satisfy the applicable registration requirements. The Clean Air Act requires the EPA to register a fuel or fuel additive once all the applicable registration requirements have been met by the manufacturer. Due to the potential for the widespread introduction of isobutanol into commerce, we are taking steps to make the public aware of the likelihood of this registration. We are seeking public comment regarding any issues we should take into consideration for this registration and any supplemental actions we should consider under the Clean Air Act to further protect public health and welfare.
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