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ASTM ISO/ASTM 51707

Standard Guide for Estimating Uncertainties in Dosimetry for Radiation Processing

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Organization: ASTM
Publication Date: 22 January 2002
Status: inactive
Page Count: 21
scope:

This guide defines possible sources of error in dosimetry performed in gamma, x-ray (bremsstrahlung) and electron irradiation facilities and offers procedures for estimating the resulting magnitude of the uncertainties in the measurement results. Basic concepts of measurement, estimate of the measured value of a quantity, "true" value, error and uncertainty are defined and discussed. Components of uncertainty are discussed and methods are given for evaluating and estimating their values. How these contribute to the standard uncertainty in the reported values of absorbed dose are considered and methods are given for calculating the combined standard uncertainty and an estimate of overall (expanded) uncertainty. The methodology for evaluating components of uncertainty follows ISO procedures (see section 2.3). The traditional concepts of precision and bias are not used. Examples are given in five annexes.

This guide assumes a working knowledge of statistics. Several statistical texts are included in the references (1, 2, 3, 4).

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Document History

January 1, 2015
Standard Guide for Estimation of Measurement Uncertainty in Dosimetry for Radiation Processing
This standard provides guidance on the use of concepts described in the JCGM Evaluation of Measurement Data – Guide to the Expression of Uncertainty in Measurement (GUM) to estimate the uncertainties...
January 1, 2005
Standard Guide for Estimating Uncertainties in Dosimetry for Radiation Processing
This guide defines possible sources of uncertainty in dosimetry performed in gamma, X-ray (bremsstrahlung), and electron irradiation facilities and offers procedures for estimating the resulting...
ASTM ISO/ASTM 51707
January 22, 2002
Standard Guide for Estimating Uncertainties in Dosimetry for Radiation Processing
This guide defines possible sources of error in dosimetry performed in gamma, x-ray (bremsstrahlung) and electron irradiation facilities and offers procedures for estimating the resulting magnitude...
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