Any permit to operate issued pursuant to this chapter may be revoked during its term upon one or more of the following grounds:
(a) That an unauthorized release has occurred pursuant to Sections 6-11.14 and 6- 11.14.4 of this chapter;
(b) That modifications have been made to the underground storage tank or facility in violation of the permit to operate; or
(c) That the holder of the permit has violated one or more conditions upon which the permit was issued. (§ 1, Ord. 970, eff. January 12, 1984, as amended by § 16, Ord. 1036, eff. July 10, 1986)