How long does it take to turn on UV lamp in a clean room?

The cleanroom must be disinfected to ensure its absolute dust-free environment. Using ultraviolet disinfection is one of the most effective ways to keep cleanroom particle-free. How long does it take to turn on/off UV lamp in a clean room? In

HVAC UV lights: do they work and are they worth it?

Cleanroom - Wikipedia

Exposing a Screen using Speedball's UV Light

Using UV for Sterilization

Disinfecting the air with far-ultraviolet light

Six Tips To Using UV Light In Cleaning Operations

Ultraviolet light can kill almost all the viruses in a room. Why isn't it everywhere? - Vox

Does UV Light Kill Viruses? Best Sterilizer Devices 2021

How Does UV Light Clean CPAP Machine Parts? – CPAPnation

How To Keep A Cleanroom Clean - Berkshire Corporation

Static Laboratory Clean Room Pass Box With UV Light Stainless Steel 304 Cabinet

How to Find Cat Urine With a UV Light: 10 Steps (with Pictures)