A building or premises shall be conditionally permitted only for the following purposes:
   (a)   Any conditional use in the M-1 Light Industrial District;
   (b)   Any industrial use with the potential to adversely impact public health, safety or welfare, including any use that would otherwise be permitted under Section 1141.02 of this Code.
   (c)   Explosives manufacturing or storage;
   (d)   Liquid fertilizer manufacturing;
   (e)   Any industrial or manufacturing use involving animal by-products and/or the storage or slaughter of animals; or
   (f)   Auto wrecking yards and junkyards but only when the premises upon which such activities are conducted are wholly enclosed within a building or by a wooden fence not less than eight feet in height and in which the openings or cracks are less than fifteen percent (15%) of the total area.
      (2004 Code)