Individuals who experience adverse reactions to fog and smoke exposure should be immediately removed to a well-ventilated area and the theatre's first aid or emergency providers should be notified.Exposure to fog and smoke during strenuous physical activity should be minimized.Workers required to wear respirators who experience breathing difficulty while using respirators shall be referred to a physician for evaluation. Persons should not be assigned to tasks requiring use of respirators unless they are physically able to perform the work and use the equipment.Filter cartridges should be used according to manufacturers' recommendations and selected based on the chemical hazards present. Respirators equipped with appropriate filter cartridges shall be used when circumstances warrant.This group includes, but is not limited to, children, people with severe lung problems and/or asthma, pregnant women and people with serious illnesses including AIDS. High-risk individuals should not be exposed to smoke and fog.The MSDS on the fog/smoke shall be available to workers on request prior to engagement and workers shall be given instruction/training on safe handling and use of the chemicals. Prior to workers' engagement for any production with fog/smoke effects, the workers should be told the type of chemical fog/smoke product that will be used.The theatre's regular first aid and emergency plan should include response to severe reactions to fog and smoke. See Regulation 851, Section 11(a) for Industrial Establishments. Residue can be tracked well beyond the area of use and may create a slipping hazard. Fog/smoke outlets should be located well out of traffic areas.Fog/smoke generating machines or other sources should be located to minimize exposure to the concentrated smoke or fog as it is created.Fog/smoke generating machines should be used and maintained in good condition as required by the Occupational Health and Safety Act.Coloured fog can be achieved with coloured light. Fog/smoke products should be used exactly as the manufacturer directs and should not be adulterated or altered in any way such as by adding dyes, fragrances or additional chemicals.Products whose MSDSs clearly identify the chemical ingredients with precautions in safe handling should be preferred. Some products use proprietary formulas, concealing the identity and proportion of ingredients.Only fog/smoke products that have a Supplier Material Safety Data Sheet ( MSDS) that meet WHMIS requirements should be used.Dry ice and liquid nitrogen are commonly used and safe-handling procedures must be followed.material safety data sheets to supplement the label with detailed hazard and precautionary information and.labels on the container of hazardous materials.Under W HMIS, there are three ways in which information on hazardous materials is to be provided: WHMIS is designed to give employers and workers information about hazardous materials used in the workplace. Exposure is to be controlled using engineering controls, work practices, hygiene facilities and practices and in certain situations personal protective equipment. Regulation 833 prescribes limits for daily and weekly exposure of workers to biological or chemical agents. Regulation 833 entitled Control of Exposure to Biological or Chemical Agents and Workplace Hazardous Material Information System ( WHMIS) legislation apply to all the chemicals used for fog and smoke such as glycols, dry ice, liquid nitrogen etc. MSDS Supplier Material Safety Data Sheet that provides comprehensive information on a WHMIS controlled product, relating to its handling, storage, use and known health effects. This includes smoke that has been chilled. Fog For the purposes of this document the term fog will refer to a suspension that falls, being heavier than air. Smoke For the purposes of this document the term smoke will refer to a suspension that rises, expanding indefinitely. Each may be accompanied by one or more gases. Both smoke and fog are suspensions of solid particles or liquid droplets in air.
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