What action is required if refrigerant vapors are detected outdoors?

When refrigerant vapors are detected outdoors, it is crucial to investigate the source immediately and take measures to recover or repair the leak. This action is essential because refrigerants can be harmful to the environment and may pose safety risks. By promptly identifying and addressing the leak, you can prevent further release of refrigerants, ensuring compliance with environmental regulations and protecting both human health and the ecosystem.

Taking immediate action also reflects best practices in the HVAC industry, particularly regarding safety protocols and environmental stewardship. It allows for the potential recovery of the refrigerant, which can be reused and prevents the unnecessary depletion of ozone-depleting substances, where applicable.

Other options, such as ignoring the vapors, waiting for them to disperse, or evacuating and calling authorities, do not effectively address the source of the leak or the potential hazards associated with refrigerant release. Hence, investigating and addressing the source of the leak is the most responsible and effective course of action.