(a) Gas cylinders may be stored indoors or outdoors.
(b) Full and empty cylinders shall be: - (i) Segregated and appropriately tagged;
- (ii) Stored in an upright position and properly secured; and
- (iii) Chained to a wall or scale support.
(c) The storage conditions shall: - (i) Minimize external corrosion;
- (ii) Be clean and free of trash;
- (iii) Not be near elevator shafts or intake vents; and
- (iv) Be away from elevated temperatures, heat sources and direct sunlight.
(d) Gas chlorine cylinders shall be handled with care. - (i) Valve protection caps and valve outlet caps shall be in place at all times except when the cylinder is in use.
- (ii) Cylinders shall:
- (B) Be protected from falling objects;
- (C) Be used on a first-in, first-out basis; and
- (D) Have new, approved washers in place each time a cylinder is connected.
(e) Empty containers shall: - (i) Have the valve closed and the lines disconnected;
- (ii) Have the outlet cap applied promptly and the valve protection hood attached;
- (iii) Have the open end of the disconnected line plugged or capped promptly to keep atmospheric moisture out of the system; and
- (iv) Have a chlorine valve shut off wrench kept on the cylinder valve stem of the cylinder that is in use.
(f) A scale, suitable for weighing gas cylinders must be present in facilities handling chlorine gas cylinders. - (i) Changing cylinders shall be accomplished only after weighing proves the cylinder to be exhausted; and
- (ii) Care shall be taken to prevent water from back siphoning into the cylinder by closing the cylinder valve.
(g) Emergency contact information shall be posted and include the following: - (i) The name and telephone number of the gas chlorine supplier; and
- (ii) The telephone number of the local fire department or agency trained in the handling of gas chlorine leaks.
(h) An automatic chlorine gas leak detector shall be installed in the gas chlorine room with an audible alarm installed at the pool site and at the remote site where emergency personnel are located.
(i) The gas chlorinator and all line and tank fittings shall be checked for leaks at regular intervals and after every cylinder exchange.
010-4 Wyo. Code R. § 4-33