Testing facility means a nuclear reactor licensed by the Commission under the authority of subsection 104c of the Act and pursuant to the provisions of 50.21 of this chapter for operation at:
(1) A thermal power level in excess of 10 megawatts; or
(2) A thermal power level in excess of 1 megawatt, if the reactor is to contain:
(i) A circulating loop through the core in which the applicant proposes to conduct fuel experiments; or
(ii) A liquid fuel loading; or
(iii) An experimental facility in the core in excess of 16 square inches in cross-section.