Which of the following is not one of the four levels of decontamination?

The correct answer identifies "Incident DECON" as not being one of the four recognized levels of decontamination. In the context of hazmat operations, decontamination is typically categorized into four main levels: Emergency DECON, Mass DECON, Technical DECON, and a fourth level often referred to as either "Field DECON" or "Support DECON" depending on regional terminology.

Emergency DECON is utilized in urgent situations where immediate decontamination is critical to prevent harm to victims or responders. Mass DECON is designed for instances when large numbers of people need to be decontaminated quickly, such as in a terrorist attack or major spill incident. Technical DECON is a more detailed and controlled process that is employed for specific materials requiring specialized procedures and equipment.

The term "Incident DECON" does not reflect an established category and may be a misinterpretation or misunderstanding of the recognized terms. Additionally, while the phrase might suggest an action taken during an incident, it does not correspond to a formalized process in the context of decontamination protocols. Understanding these distinctions is essential for appropriately implementing decontamination strategies during hazmat incidents.