Protection from fumes and gases
273An employer shall ensure that an employee is protected from the effects of harmful fumes and gases or particles emitted from welding, cutting, burning or soldering operations by
(a)
providing a local exhaust system close to the source of the fumes, gases or particles in an indoor welding, cutting, burning or soldering area,
(b)
monitoring the exposure level of employees to harmful fumes and gases or particles emitted from welding, cutting, burning or soldering operations to ensure that the level of concentration of air contaminants does not exceed the occupational exposure limits, and
(c)
monitoring the work areas in proximity to the welding, cutting, burning or soldering area to ensure that the level of concentration of air contaminants does not exceed the occupational exposure limits.