The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of New Hampshire Department of Environmental Services. This revision includes regulatory amendments that require the decommissioning of Stage II vapor recovery systems at gasoline dispensing facilities by December 22, 2015, and a demonstration that such removal is consistent with the Clean Air Act and EPA guidance. The intended effect of this action is to approve New Hampshire's revised vapor recovery regulation. This action is being taken in accordance with the Clean Air Act.