The Grand Gulf Disaster Assistance Trust Fund is hereby created as a special fund in the State Treasury to be administered by the Mississippi Emergency Management Agency. Monies paid into the fund shall be derived from Sections 27-35-309(3)(b)(i) and (ii) and 27-35-309(3)(d). All monies deposited therein shall be available for expenditure, transfer and allocation by the Mississippi Emergency Management Agency for state and local preparedness activities directly related to the Grand Gulf Nuclear Generating Plant, with at least fifty percent (50%) of the monies in the fund earmarked for use in conducting such activities in the geographic area falling within a thirty-mile radius of the plant.