122. (1) In every laboratory:(a) lavatories and exits must be accessible to any person who is in the laboratory;
(b) carbon dioxide fire extinguishers must be installed in all rooms in which examinations are made. These devices must be within easy reach and visible to everyone and the director of the laboratory must take the necessary steps to ensure that every member of his staff is familiar with their mode of operation;
(c) a place must be set up to admit the persons who appear for examinations or analyses;
(d) a private and isolated compartment must be set up for persons requiring services.
(2) In an orthopedic prostheses laboratory, every part open to the public as well as the elevators giving access thereto, where applicable, and the lavatories made available to the public must be accessible without steps to persons through doors at least 80 cm wide.