Chemical, Biological, Radiological, And Nuclear (CBRN) ALC Staff Function And OP Aspects Practice Test

When is secondary decontamination performed?

Immediately at the point of exposure Never Later, in controlled areas, for thorough removal before re-entry or custody Only after medical evaluation

Correct Answer:

Later, in controlled areas, for thorough removal before re-entry or custody

Explanation:

Secondary decontamination is done after the initial exposure has been addressed, in a controlled area, to thoroughly remove any remaining contaminants before a person re-enters clean zones or is handed over for custody. The on-scene, immediate decontamination reduces exposure right away, but residues can still be carried on skin or clothing, so this later step ensures complete decontamination in a protected environment without risking spread during transport or transfer. It wouldn’t be done immediately at exposure, and it shouldn’t be postponed beyond the point of safe handling; it is specifically placed to occur in controlled areas for a thorough clean before re-entry or custody.

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