In fact, sampling with ViridiScope is so quiet, it does not require the user to wear ear defenders and workers can communicate without shouting. Other means of sampling, such as drilling and scraping, require noisy power tools, creating not only dust but a great deal of noise. Busy decommissioning nuclear sites are accustomed to the sound of hammering and drilling, but surveying work carried out in buildings, such as laboratories that are still in use, can cause significant disturbance to the occupants.
If this is something that challenges your initial characterisation for radioactivity, toxic metals or asbestos, we can discuss how laser sampling can help.