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ARTICLE IX. HIGHLY TOXIC MATERIALS (15-28-380 et seq.)
The storage and handling of highly toxic materials other than those used for retail sales in original, sealed containers, shall comply with the requirements for fume hazard gases, flammable liquids or hazardous chemicals, depending upon the nature of the material and shall also comply with the following requirements:
(1) Warning signs shall be conspicuously placed at all entrances to areas where such materials are stored or used. Such signs shall have a white field with red letters at least four inches high and shall have at least a one-half-inch stroke, such signs shall read “HIGHLY TOXIC MATERIALS – HANDLE WITH CARE”.
(2) Quantities in excess of one day's supply shall be stored, kept or handled in buildings or rooms conforming to the requirements for fume hazard gases, hazardous chemical or flammable liquids. The user shall notify the fire commissioner by notarized letter of the amount used in one day. Upon any change in that amount, the fire commissioner shall be notified within 24 hours.
(3) There shall be no other flammable liquids, hazardous chemical or other combustible material stored or handled in the same room in which highly toxic materials are stored or handled.
(4) Defective containers which permit leakage or spillage shall be disposed of or repaired in an approved manner. No spilled materials shall be allowed to accumulate on floors or shelves.
(5) Any room required by this section shall be without any drain connected to a house sewer, public sewer or sewage treatment plant.
(6) Tanks, which contain more than 55 gallons of highly toxic materials, shall be located outside of any building or buried below ground level. When aboveground, said tank or tanks containing liquids, shall be diked. Each dike shall have a capacity of not less than one and one-half times the combined capacity of the tank or tanks it surrounds. Dike construction shall be as specified in Section 15-24-170 of this Code; provided, however, the material of the dike walls shall be inert with respect to the materials contained within the tank or tanks.
(7) The provisions of this section shall apply to all existing as well as newly installed tanks. All tanks, piping and fittings shall be compatible with the material to be stored or handled. Outlets and inlets of all aboveground tanks shall have a shutoff valve as close as possible to the tank, with no branches or outlets between the tank and valve. All inlet pipes shall have an additional check valve as close as possible to the tank valve. In addition to any other valves, when the material stored is reactive with air or water, there shall be a valve at each pipeline connection to any tank below the liquid level which valve shall be effective inside the tank shell or head and can be operated manually to prevent the flow of liquid from the tank even though the pipelines are broken from the tank. All remote reach rods to valves shall be of substantial construction and shall be accessibly located and clearly marked “Emergency Shutoff Valve”. There shall be an effective flexible connection between that tank valve and piping system or the piping shall be so arranged with swing joints to prevent stress and strain between the piping system and tank. Where the exterior piping and sides of the tank are not inert to the material being stored, the piping, piping supports and tank shall be made inert by coating or some other means to one and one-half times the height of the dike.
(8) Tanks or tank cars of highly toxic materials of any capacity shall not be located within one-eighth mile from any school, institutional unit, multiple dwelling or place of public assembly.
(9) Whenever a highly toxic material can be chemically changed to a less dangerous and more stable material, a qualified chemist of the manufacturer shall state in writing the safest and quickest method of changing the total capacity of the tank or tanks in case of a rupture, spillage or other emergency. The owner and/or operator of said tank or tanks shall keep sufficient quantities of the changing agent as hereinbefore determined so as to be readily available in the event of an emergency.
(10) The name and address of the manufacturer or the nearest producer of the specific highly toxic material being used and a placard outlining emergency first aid directions shall be posted and remain posted in a conspicuous place at the points of unloading and use and in at least one other approved location.
Oxygen-generating or self-contained air or oxygen masks having a United States Bureau of Mines or National Institute of Occupational Safety and Health approval for a minimum of one-half hour protection shall be maintained in a readily accessible location, outside the areas of probable contamination and sufficient for all personnel associated with the operation.
Additional air or oxygen containers which will provide for a minimum of one-hour use of each mask shall be kept at the location of each gas mask. All personnel that may be required to use gas masks must be required at reasonable intervals to practice their application and use. Gas masks must be kept in condition, ready for immediate use at all times with fully charged containers.
An approved repair kit with all the necessary tools, appurtenances and material required to repair a leak or replace a defective valve or other part, shall be kept in a location accessible to the tank car and outside the probable area of contamination.
Protective clothing suitable for use with the materials stored shall be provided and be kept in good condition where its use will provide effective protection against the highly toxic material.
Gas masks, repair kit and duplicate wrenches shall be kept in a conspicuous location and shall be conspicuously labeled for immediate identification.
(Prior code § 92-32; Amend Coun. J. 5-18-16, p. 24131, § 155)
ARTICLE X. CORROSIVE LIQUIDS (15-28-390 et seq.)
No corrosive liquids shall be stored in any building other than a corrosive liquids storage building constructed as required below, except as otherwise provided by this section.
It shall be permissible to store corrosive liquids in one or more standard fireproof vaults in any building other than a corrosive liquids storage building.
(Prior code § 92-33)
No person shall keep corrosive liquids in excess of one day's supply except in a separate suitable room or building. The user shall notify the fire commissioner by notarized letter of the amount used in one day. Upon any change in that amount, the fire commissioner shall be notified within 24 hours. Such room or building shall comply with the requirements of standard fireproof vault for flammable liquids. Defective containers which permit leakage or spillage shall be disposed of or repaired in an approved manner. No spilled materials shall be allowed to accumulate on floor or shelves.
(Prior code § 92-36; Amend Coun. J. 5-18-16, p. 24131, § 156)
Corrosive Liquids. Whenever a standard fireproof vault is used for the storage of corrosive liquids, there shall be a sill at every doorway thereto, constructed of noncombustible materials and six inches high above the level of the floor of the vault. All floor drains in a vault used for storing or keeping corrosive liquids shall have no connections with the drainage system of the building, but shall be arranged to drain to a location outside of the building remote from all connections or drains to the sewer system.
(Prior code § 92-37)
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