Airborne Radioactivity Monitoring cont'd - doe-std-1098-99_reaffirmed_2004

DOE-STD-1098-99

Radiological Control

Radiological Health Support Operations

June 2004

operation should be verified weekly by checking for instrument response with a check source or with ambient

levels of radon and thoron daughters.

Preliminary assessments of air samples utilizing field survey techniques should be performed promptly upon

removal. In situations where background levels of radon and thoron daughters interfere with evaluation of alpha air

samples, prompt field assessments may not be possible.

10. Air sample results should be evaluated as quickly as practicable for evaluation of the need for respiratory

protection, area evacuation (if necessary), worker intake, and worker relief from respirator use.

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