The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of New Hampshire on October 4, 2012. The revision clarifies Reasonably Available Control Technology (RACT) requirements as they apply to minor core activities of volatile organic compound (VOC) sources. The intended effect of this action is to approve these requirements into the New Hampshire SIP. This action is being taken in accordance with the Clean Air Act.