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Areas used for the storage or processing of corrosive materials shall be equipped with at least one of the following:
1. Water outlets, with attached hose, for adequate dilution and flushing of spills to a safe location.
2. A covered and labeled container of absorbent-neutralizer mixture suitable for the neutralization and absorption of corrosive materials spills. There shall not be less than one such container holding 50 pounds of an absorbent-neutralizer mixture.
A deluge water-shower and eye flusher, with the water piping carrying a pressure not exceeding 25 pounds, shall be provided near each area where corrosive materials which may burn, irritate, or otherwise be harmful to persons, are stored, processed, or used. Shower and eye flusher shall be connected to a potable water supply line.
Tank cars shall be unloaded as soon as possible after their arrival at point of delivery and shall not be used as storage tanks. Tank cars containing corrosive materials shall not be allowed to remain at point of delivery for more than 24 hours while being unloaded. A qualified person shall supervise the transfer operations.
The storage of corrosive materials in drums or carboys shall conform to the following:
1. Drums or carboys shall not be stacked more than two containers high unless on pallets. Maximum height shall be 12 feet.
2. Unless otherwise specifically authorized by the Chief, drum or carboys shall be stored in rows not more than two containers in width, or the width of the pallet, if stored on pallets. The aisles between such rows shall be of sufficient width to permit inspection and removal of leaking drums or carboys.
3. Drums and carboys shall be stored in an upright position with a bung or plug uppermost.
4. Excess pressure which may have developed from high temperature hydrogen formation in drums or carboys equipped with non-porous or non-venting stoppers, plugs, or caps, shall be vented when containers are placed in storage. Drums shall be opened at frequent intervals to prevent excessive pressure developing from hydrogen formation.
Tanks used for the storage of corrosive materials shall comply with the following provisions:
1. Tanks shall be equipped with manual shut- off valves which may be operated without going beneath the tank.
2. Tanks having a capacity in excess of 120 gallons and located within or upon buildings shall be equipped with heat-actuated, automatic-closing shutoff valves approved by the Chief.
EXCEPTION:
1. The Chief may permit the use of a remote-control valve which is clearly labeled and located where easily accessible in the event of fire or another emergency.
2. Tanks not resting upon the ground or floor and located within a building or within 10 feet of a combustible structure, shall rest on supports of at least one-hour fire-resistive construction.
3. When tanks are located outside of a building and are connected to piping entering a building, conspicuously labeled emergency shutoff valves shall be installed at a readily available place outside of the building.
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