Module 3

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Risk assessment in ice arenas

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Wendy Pons

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Module 3


Module 3Versión en línea Risk assessment in ice arenas por Wendy Pons 1 Why is it important for ice arena operators to follow the manufacturer’s recommended maintenance schedule for ice resurfacers and edgers? a Regular maintenance ensures the equipment operates efficiently and helps reduce the risk of increased emissions caused by poorly maintained equipment. b Regular maintenance is primarily required to extend the lifespan of equipment and has minimal impact on indoor air quality. c Regular maintenance eliminates the need for air monitoring systems because properly maintained equipment cannot produce air pollutants. d Regular maintenance allows operators to increase the use of combustion-powered equipment without affecting indoor air quality. 2 Which of the following most accurately describes the advantages and limitations of transitioning from propane-powered to electric-powered ice resurfacers and edgers? a Electric equipment eliminates all indoor air quality concerns in arenas, making ventilation unnecessary once combustion-powered resurfacers are removed. b Electric equipment can significantly reduce emissions and improve indoor air quality; however, ventilation remains necessary to address pollutants from other sources, such as concessions and fuel-powered heating systems. c Electric equipment provides minimal air quality benefits because most arena pollutants originate from spectators and concession areas rather than ice maintenance equipment. d Electric equipment reduces emissions but creates new indoor air quality risks that require additional ventilation compared with propane-powered equipment. 3 During an inspection the PHI observes that the operator manually activates the ventilation system after the ice resurfacer has completed its work. The operator explains that this approach prevents unnecessary energy use while still removing pollutants. a Ventilation is only needed during resurfacing because pollutants are generated exclusively by the ice resurfacer and do not accumulate near the ice surface. b Manual activation of ventilation is preferred because automatic systems may reduce the effectiveness of air exchange during resurfacing. c Ventilation systems should remain off during resurfacing because opening doors and gates provides sufficient dilution of pollutants. d Delaying ventilation until after resurfacing increases the likelihood that pollutants will remain trapped near the ice surface, exposing skaters and spectators to elevated concentrations. 4 A recreation facility has installed a continuous air monitoring system to track air pollutant levels. The operator has programmed the alarm to activate only when pollutant concentrations reach the occupational exposure limit because they want to avoid unnecessary alarms. Which of the following best explains why this approach may not adequately protect public health? a Occupational exposure limits are designed for equipment performance evaluation and are not intended to be used for air quality monitoring. b Continuous monitoring systems should only alarm during emergency situations because frequent alarms may reduce operator responsiveness. c Alarm thresholds should be set below occupational exposure limits to allow corrective action before pollutant concentrations reach levels that may impact susceptible populations. d Air monitoring systems are primarily intended to verify that ventilation equipment is functioning and do not require operator intervention.

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Module 3Versión en línea

por Wendy Pons

Why is it important for ice arena operators to follow the manufacturer’s recommended maintenance schedule for ice resurfacers and edgers?

Which of the following most accurately describes the advantages and limitations of transitioning from propane-powered to electric-powered ice resurfacers and edgers?

During an inspection the PHI observes that the operator manually activates the ventilation system after the ice resurfacer has completed its work. The operator explains that this approach prevents unnecessary energy use while still removing pollutants.