Explain the significance of finding the 'contamination limit' at a site.

The significance of finding the 'contamination limit' at a site primarily lies in its role in determining whether cleanup or other safety measures are required. This limit is a threshold that indicates the acceptable level of radioactive materials that can be present in a given area. When levels exceed this established limit, it signals the need for action to mitigate the potential risks to human health and the environment.

By assessing contamination levels against these predetermined limits, safety personnel can make informed decisions about the necessity of cleanup activities, implementing temporary safety measures, or ensuring that procedures are followed to protect individuals who may come into contact with the contaminated site. The contamination limit is therefore a vital aspect of radiation safety protocols, guiding the response to radioactive contamination effectively.