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Filtering by: Subject Scanning systems -- Evaluation

Calculation of scanning efficiencies for portable instruments used to detect particulate contamination

Creator:

Moss, Stephen Craig

Abstract:

Efforts are continually being made in remediation surveys to reduce the time and manpower required to perform work while maintaining the ability to detect low levels of contamination. To this end, organizations are utilizing portable instrumentation in conjunction with global positioning systems (GPS). This combination of technologies allows a surveyor...

Resource Type:

Masters Thesis
Predicting instrument detection efficiency when scanning small area radiation sources

Creator:

Hart, Kevin G.

Abstract:

Accurate quantification of radionuclides detected during a scanning survey relies on an appropriately determined scan efficiency calibration factor (SECF). Traditionally, instrument efficiency was determined from a fixed instrument to source geometry. However, as is often the case, the instrument is used in a scanning mode where the source to instrument...

Resource Type:

Masters Thesis