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Updated: Jul 8, 2026

Composition and Distribution Analysis of Bioaerosols Under Different Environmental Conditions
Published on: January 7, 2019
Determining the optimum sample volume for environmental airborne radioactivity monitoring
Gary F Boothe1, Garland Mike R Priddy, Robert H Ruben
1Environmental Radiation Monitoring and Assessment, Office of Radiation Protection, Washington State Department of Health, 309 Bradley Blvd., Suite 201, Richland, WA 99352, USA.
Abstract:
A methodology to determine the optimum air sample volume for environmental airborne radioactivity monitoring is described. For environmental airborne radioactivity measurements at the Hanford Site, the optimum sample volume was determined to be approximately 1,000 m3. At this volume the counting statistics advantage with increasing flow rate and sampling time levels off, and above this volume the potential for particulate fall-off from filters, alpha attenuation during gross radioactivity counting, and stress on the sampling pumps become limiting considerations.
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