Approval and Promulgation of Air Quality Implementation Plans; New York; Determination of Attainment of the 2008 8-Hour Ozone National Ambient Air Quality Standard for the Jamestown, New York Marginal Nonattainment Area
The Environmental Protection Agency (EPA) is finalizing a determination that the Jamestown, New York Marginal Nonattainment Area (Jamestown Area or Area) has attained the 2008 8-hour ozone National Ambient Air Quality Standard (NAAQS). This determination is based upon complete, quality-assured, and certified ambient air monitoring data that shows the Area has monitored attainment of the 2008 8-hour ozone NAAQS for both the 2012-2014 and 2015-2017 monitoring periods. This action does not constitute a redesignation to attainment. The Jamestown Area will remain nonattainment for the 2008 8-hour ozone NAAQS until such time as EPA determines that the Jamestown Area meets the Clean Air Act (CAA) requirements for redesignation to attainment, including an approved maintenance plan. This action is being taken under the CAA.
Air Plan Approval; Iowa; State Implementation Plan and Operating Permits Program
The Environmental Protection Agency (EPA) is proposing to approve revisions to the Iowa State Implementation Plan (SIP) and the Operating Permits Program. The revisions include updating definitions, clarifying permit rule exemptions and permit-by-rule regulations, revising methods and procedures for performance test/stack test and continuous monitoring systems, and updating the Prevention of Significant Deterioration (PSD) regulations and Operating Permits Program. In addition, the State has removed its rules that implement the Clean Air Interstate Rule (CAIR) and revised their acid rain rules. These revisions will not impact air quality and will ensure consistency between the state and Federally approved rules.