(1) A gas mask designed for use in a chlorine atmosphere and of a type approved by the Mine Safety and Health Administration (MSHA) or the National Institute of Occupational Safety and Health (NIOSH) shall be provided at any pool, spa, or other water feature that uses or stores chlorine gas. In addition, replacement canisters shall be provided and a record shall be kept of gas mask usage to ensure that the mask will be serviceable when needed. The gas mask shall be kept in a closed cabinet, accessible without a key, located outside of the room in which the chlorinator is maintained.

(2) Chlorination equipment shall be installed and operated by and under the supervision of personnel experienced with installation and operation of such equipment.

(3) All users of chlorine gas shall purchase at least one copy of each available safety pamphlet related to chlorine safety produced by the Chlorine Institute, Inc., 1300 Wilson Blvd, Arlington, VA 22209, (703)741-5760 including, but not limited to:

(a) #1 Chlorine Manual;

(b) #65 Personal Protective Equipment;

(c) #82 Recommendations for using 100 pound and 150 pound cylinders; and

(d) #97 Safety Guidelines for Swimming Pool Applications.

(4) All pool operators who use chlorine gas shall maintain records and documentation of the use, and of safety training pertaining to the use of chlorine gas. The training documentation must include records identifying when copies of safety pamphlets were given to each staff person working in or having access to the separate room in which compressed chlorine gas is stored and used. The documentation must also identify which specific safety pamphlets were provided.

(5) All operators using chlorine gas shall maintain records demonstrating that they have conducted drills with emergency responders and that the emergency responders are properly prepared for a chlorine gas emergency.

(6) Any improper use or storage of chlorine gas or inadequate training of facility staff or failure to provide training to emergency responders is cause for immediate closure of the pool, spa, or other water feature and constitutes a safety violation until it is corrected under ARM 37.115.1201.