Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Probability for detecting hot particles in environmental samples by sample splitting

K Bunzl1

  • 1GSF-National Research Center for Environment and Health, Institute of Radiation Protection, Neuherberg, Germany.

The Analyst
|July 1, 1997
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Spatial variability of fallout-(137)Cs in the soil of a cultivated field.

Environmental monitoring and assessment·2013
Same author

Association of fallout 239+240Pu and 241Am with various soil components in successive layers of a grassland soil.

Environmental science & technology·2011
Same author

Seasonal variation of the radiocaesium transfer soil-to-Swiss chard (Beta vulgaris var. cicla L.) in allophanic soils from the Lake Region, Chile.

Journal of environmental radioactivity·2004
Same author

Global fallout (137)Cs accumulation and vertical migration in selected soils from South Patagonia.

Journal of environmental radioactivity·2003
Same author

Fallout radiocesium in an Antarctic region: deposition history, activity densities and vertical transport in soils.

Radiation and environmental biophysics·2003
Same author

Transport of fallout radiocesium in the soil by bioturbation: a random walk model and application to a forest soil with a high abundance of earthworms.

The Science of the total environment·2002

Detecting radioactive hot particles in environmental samples is crucial. Using multiple sub-samples increases detection probability, making sample division more effective than precise measurements.

Area of Science:

  • Environmental Science
  • Radiochemistry
  • Nuclear Safety

Background:

  • Radioactive hot particles pose risks in environmental samples like soil and vegetation.
  • Detecting these particles often relies on identifying significant activity variations between sub-samples.

Purpose of the Study:

  • To calculate the probabilities of detecting radioactive hot particles using sub-sampling.
  • To determine the optimal number of sub-samples for effective hot particle detection.

Main Methods:

  • Monte Carlo simulations were employed to model detection probabilities.
  • Calculations considered hot particle number, sub-sample count, activity distribution, and measurement precision.

Main Results:

  • With three sub-samples and a log-normal activity distribution, >95% detection probability is achievable for up to five hot particles.

Related Experiment Videos

  • Increasing to four sub-samples allows detection of up to 20 hot particles with the same probability.
  • Increasing measurement precision at the expense of sub-sample number is generally ineffective.

    • Conclusions:

    • Sub-sampling is a viable strategy for detecting radioactive hot particles in environmental matrices.
    • The number of sub-samples is a critical factor in achieving high detection probabilities.
    • Optimizing the sub-sampling strategy enhances environmental radioactivity monitoring.