The Santa Barbara County Air Pollution Control District (District) has issued a draft federal Part 70 permit PTO 13725 to UCSB. This permitting action is the fourth triennial reevaluation for the federal Part 70 permit for UCSB. The Part 70 permit regulates emissions from operations at the facility. Once issued by the District and the US Environmental Protection Agency (USEPA), the Part 70 permit will be valid for three years. The permit will be enforceable by the District, USEPA and the public.