What safety precautions should be taken when handling refrigerants?

When handling refrigerants, several safety precautions are crucial to protect yourself and the environment. Always wear appropriate personal protective equipment (PPE), including safety glasses or a face shield, gloves (specifically designed for refrigerant handling), and protective clothing. Refrigerants can cause frostbite if they come into contact with skin or eyes. Work in a well-ventilated area to avoid inhaling refrigerant vapors, which can displace oxygen and cause asphyxiation. Never heat refrigerant cylinders with an open flame, as this can cause them to explode. Use only approved heating methods, such as hot water. Do not overfill refrigerant cylinders, as this can create excessive pressure. Always follow the manufacturer's instructions for handling and storing refrigerants. When recovering refrigerant, use only approved recovery equipment and follow proper recovery procedures to prevent refrigerant releases into the atmosphere. Never vent refrigerant into the atmosphere, as this is illegal and harmful to the ozone layer. Properly label and store refrigerant cylinders in a secure, well-ventilated area. Handle refrigerant cylinders with care to avoid dropping or damaging them. Ensure that all refrigerant handling equipment is in good working order and properly maintained. Know the properties and hazards of the specific refrigerant you are handling by reviewing the Safety Data Sheet (SDS). For example, some refrigerants are flammable, while others are toxic. Follow all applicable regulations and guidelines for refrigerant handling, recovery, and disposal. Have a fire extinguisher readily available in case of a fire. In case of a refrigerant leak, evacuate the area immediately and ventilate it thoroughly before returning.