Corsafety.ca shall identify the safety and personal protective equipment required to be used or worn in the confined space by a worker while he or she performs work.
Corsafety.ca shall ensure that a worker is provided with and required to use a respiratory protective device if the airborne concentration for any substance meets or exceeds the permissible contamination limit, oxygen deficiency or enrichment is detected or the airborne concentration of any other substance may be harmful to the worker.