What type of signs are used to designate contaminated areas?

The designation of contaminated areas in a radiation safety context is indicated by yellow signs that feature a magenta or black symbol. This color scheme is standardized to ensure clear communication regarding potential hazards. Yellow is used to signify warning, while the magenta or black symbol provides a visual cue regarding the type of hazard present, alerting individuals to the need for caution and protective measures.

This specific combination of colors is part of established guidelines in radiation safety, aiming to enhance awareness and recognition of contaminated areas. It is crucial for workers to be familiar with these signs, as they indicate that thorough decontamination procedures should be observed before entering or exiting the area.

Other colors and combinations, such as red and white, green and blue, or orange and black, are typically used for different safety indications and do not convey the specific warning related to contamination.