EPA is promulgating a Federal Implementation Plan (FIP) to address regional haze in the Territory of the United States Virgin Islands. EPA determined that the FIP meets the requirements of the Clean Air Act and EPA's rules concerning reasonable progress towards the national goal of preventing any future and remedying any existing man-made impairment of visibility in mandatory Class I areas (also referred to as the "regional haze program"). The FIP protects and improves visibility levels in the Virgin Islands Class I area, namely the Virgin Islands National Park on the island of St. John. The FIP for the Virgin Islands addresses reasonable progress toward improving visibility and evaluation of Best Available Retrofit Technology.