The relationship between fluid composition and temperature settings and other internal features of the generating equipment is critical. Only machines designed and manufactured for the generation of stage smoke should be used. One of the most common methods of producing smoke is by passing a fluid under pressure through a heating unit, causing the fluid to vaporize. The individual experiencing the reaction should be given a copy of this report. A written report of the findings should be made to the Joint Health and Safety Committee or Health and Safety Representative, and appropriate labour and management associations.If an adverse reaction occurs, the occurrence should be investigated by the departmental supervisor, stage manager and/or shop steward.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.
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