196.475. 1. Any plant using a toxic gas refrigerant shall have at least one gas mask of a type approved by the department and shall keep the same where it will be readily accessible.
2. An alarm bell or buzzer provided with a suitable button shall be placed just inside the door of each locker room in a conspicuous place. Illumination shall be provided in the locker room at all times while open to the public, the switch operating same shall be accessible only to the operator.
(L. 1945 p. 940 § 6)
Missouri General Assembly