The following conditional uses shall be permitted only if expressly authorized by the Board of Zoning Appeals:
(a) Any heavy manufacturing use that is determined by the Board to be of the same general character as the above permitted uses and is so regulated.
(b) When located not less than 500 feet from any R District and residential use, and not less than 200 feet from any other district and subject to such conditions and requirements as may, in the opinion of the Board of Zoning Appeals, be necessary to protect adjacent property and prevent conditions which may become noxious or offensive:
(1) Petroleum ethanol, or inflammable liquids production, refining, and storage above ground; and
(2) Any other use which, in the opinion of the Board, is of a similar character as those specified above.
(Ord. 17-2008. Passed 3-25-08.)