Final answer:
Flash protection must be provided during Dissolved Air Flotation (DAF) operations whenever there is a risk of personnel being exposed to flashes or explosions, in alignment with safety regulations and standards.
Step-by-step explanation:
Flash protection should be provided for all Dissolved Air Flotation (DAF) operations exposing personnel when there is a potential for harmful exposure to flashes or explosion. In accordance with safety regulations and industry standards, appropriate protective gear and safety precautions must be taken to ensure the well-being of workers during these procedures. The specific requirements can vary depending on the operation and local laws, but generally, whenever there is a risk of flash exposure, flash protection such as flame-resistant clothing, face shields, and gloves should be used. It is imperative that companies stay up-to-date with occupational health and safety regulations to maintain a safe work environment.