In this chapter:
(1) “Executive director” means the executive director of the Texas Department of Licensing and Regulation.
(2) “Operation” means the performance of weather modification and control activities entered into for the purpose of producing or attempting to produce a certain modifying effect within one geographical area over one continuing time interval not exceeding four years.
(3) “Research and development” means theoretical analysis, exploration, experimentation, and the extension of investigative findings and theories of a scientific or technical nature into practical application for experimental and demonstration purposes, including the experimental production and testing of models, devices, equipment, materials, and processes.
(4) “Weather modification and control” means changing or controlling, or attempting to change or control, by artificial methods the natural development of atmospheric cloud forms or precipitation forms that occur in the troposphere.
(5) “Weather modification and control program” means the research, development, licensing, and permitting and other associated activities to be administered by the Texas Department of Licensing and Regulation.