Environmental Protection Agency February 27, 2020 – Federal Register Recent Federal Regulation Documents

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Mojave Desert Air Quality Management District (MDAQMD) portion of the California State Implementation Plan (SIP). These revisions concern emissions of volatile organic compounds (VOC) from Metal Parts and Products Coating Operations, and Polyester Resin Operations. We are approving two local rules that regulate these emission sources under the Clean Air Act (CAA or the Act) as well as approving negative declarations for three subcategories of control techniques guidelines (CTG) sources in the MDAQMD. In addition, we are converting the partial conditional approval of the District's reasonably available control technology (RACT) SIPs for the 1997 and 2008 ozone standards, as it applies to these two rules, to a full approval.

The Environmental Protection Agency (EPA) is approving two state implementation plan (SIP) revisions submitted by the State of California to meet Clean Air Act (CAA or ``Act'') requirements for the 2008 ozone national ambient air quality standards (NAAQS) in the Imperial County nonattainment area, as follows. The EPA is approving the ``Imperial County 2017 State Implementation Plan for the 2008 8- Hour Ozone Standard'' (``Imperial Ozone Plan'' or ``Plan'') and the portions of the ``2018 Updates to the California State Implementation Plan'' (``2018 SIP Update'') that address the requirement for a reasonable further progress (RFP) demonstration for Imperial County for the 2008 ozone standards. In addition, the EPA is determining, based on the ``Imperial County Clean Air Act Section 179B(b) Retrospective Analysis for the 75 ppb 8-hour Ozone Standard'' (``Imperial Ozone Retrospective Demonstration''), that the Imperial County nonattainment area would have attained the 2008 ozone NAAQS by the ``Moderate'' area attainment date of July 20, 2018, but for emissions emanating from Mexico, and therefore is not subject to the CAA requirements pertaining to reclassification upon failure to attain. As a result of these final actions, the Imperial County nonattainment area will remain classified as a Moderate nonattainment area for the 2008 ozone NAAQS.