HAZARDOUS MATERIALS
Are hereby defined to include:
1. 
Flammable liquids having a flash point below 100° F. and having a vapor pressure not exceeding 40 lbs. per square inch (absolute) at 100° F.;
2. 
Combustible liquids having a flash point at or above 100° F.;
3. 
Highly toxic materials so toxic to human beings as to afford an unusual hazard to life and health, including but not limited to anhydrous ammonia, and similar chemicals;
4. 
Explosives;
5. 
Any other materials which cause an unusual hazard to the life, health, and safety of the citizens of the City.
No tank, receptacle, or other storage device used or intended to be used for the above-ground storage of hazardous materials and having a storage capacity in excess of 1,000 gallons or in the case of dry materials, 2,000 lbs., shall hereafter be erected or constructed above ground upon any premises within the corporate limits of the City unless said tank or storage device be located more than 500 feet from any residence, business, school, or place open to the public; Provided, however, the requirements of this Section shall not apply to owners of existing hazardous material bulk storage facilities who expand or improve their facilities to accommodate business growth, as long as said expansion:
1. 
Meets the safety requirements of state and federal laws, regulations; and
2. 
Does not go beyond the boundaries of the geographic area encompassing said facility existing at the time of passage of this Section.
All owners of hazardous material bulk storage facilities existing at the time of passage of this Section shall submit to the City Building Inspector, a legal description of the area being used by them for said facility, whether owned, leased or otherwise controlled by them. The legal description so submitted shall be approved by the City Building Inspector, City Fire Chief and Council. Following approval by the Council, the legal description shall be placed on file in the office of the City Clerk. Failure to provide said description on or before the 31st day of December, 1980, shall disqualify said facility from application of the exception provided in Section 7-402 herein.
No tank car, or other portable storage or transportation device having a storage capacity in excess of 1,000 gallons or in the case of dry materials, 2,000 pounds, and containing hazardous materials shall be allowed to remain in the corporate limits within 500 feet from any residence, business, school or any place open to the public, except for the purpose of loading or unloading hazardous materials, but in no event shall said tank car or portable storage transportation device be allowed to remain within said 500 feet for longer than 48 hours; Provided, however, that vehicles actively used in transporting hazardous materials may be parked, subject to the provisions of Section 7-405 herein, in a hazardous material bulk storage facility or in an adequately protected security area.