WEBVTT

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[Sound of Explosion]

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[music playing]

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The measure and map mission.

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Tactic 8

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Measure and map radiation levels to

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characterize the extent of the

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radiological contamination and adjust

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hazard zones. Once lifesaving operations

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have been concluded, hazard zone

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boundaries will be updated based on

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gamma dose rates and contamination

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levels of alpha and beta radiation.

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The hot zone should be defined by- gamma

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exposure rates that exceed 10 million

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per hour. Beta and gamma surface

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contamination that exceeds 60,000

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disintegrations per minute DPM per

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square centimeter when measured it half

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an inch above the ground, or alpha

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contamination that exceeds 6,000 DPM per

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square centimeter one measured at a

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quarter inch above the ground. A

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dangerous radiation zone should be

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designated wherever exposure rates

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exceed 10 R per hour. These zones should

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be marked and avoided if possible. It is

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important to remember that measurements

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are secondary to the primary mission of

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performing life-saving rescue operations.

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Once life-saving operations have been

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adequately resourced, any additional

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resources can be used to monitor and map

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the radiological hazards. The collected

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radiological incident data will be

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reviewed by an analyst with expertise in

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interpreting radiological data. The

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on-scene incident commander will collect

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this data by assigning three strike

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teams to take measurements in two phases.

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These phases are described on pages 22

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to 32 of the RDD response guidance.

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For more information, turn to page 22 of the RDD Resource Guidance.