In determining under what conditions and to what extent a variance may be granted, the Board shall give due recognition to the progress which the person requesting the variance has made in eliminating or preventing air pollution. The Board shall consider the reasonableness of granting a variance conditioned upon the person effecting a partial control of the particular air pollution or a progressive control of the air pollution over a period of time which it considers reasonable under all the circumstances; or the Board may prescribe other and different reasonable requirements with which the person receiving the variance shall comply.
(Ord. 2494, passed 5-12-1975)