§ 14-405  PARKING OF VEHICLES OR TRAILERS CARRYING HAZARDOUS MATERIALS.
   (a)   Except as provided in divisions (b) and (c) below, it shall be unlawful for any person, firm, corporation or other entity to park any vehicle, trailer or semi-trailer carrying any hazardous material within any city zoning districts as defined in Chapter XVI of this code.
   (b)   Division (a) above shall not apply to vehicles, trailers or semi-trailers parked for continuous periods of time not to exceed one hour where such vehicles, trailers or semi-trailers are parked along those routes specified in § 14-404 of this code.
   (c)   Division (a) above shall not apply to any vehicle, trailer or semi-trailer carrying any hazardous material where such vehicle, trailer or semi-trailer is not parked within 500 feet of any structure used for human habitation.