BS ISO 6980-3:2006 PDF

Nuclear energy. Reference beta-particle radiation - Calibration of area and personal dosemeters and the determination of their response as a function of beta radiation energy and angle of incidence

First page of standard BS ISO 6980-3:2006

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Title (English):

BS ISO 6980-3:2006

Nuclear energy. Reference beta-particle radiation - Calibration of area and personal dosemeters and the determination of their response as a function of beta radiation energy and angle of incidence

Document status:: Withdrawn
Format:: Electronic (PDF)
Publication date:: October 31, 2006
ICS:: 17.240
SKU:: BS ISO 6980-3:2006

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Abstract

1 Scope This part of ISO 6980 describes procedures for calibrating and determining the response of dosemeters and doserate meters in terms of the International Commission on Radiation Units and Measurements (ICRU) operational quantities for radiation protection purposes. However, as noted in ICRU Report 56, the ambient dose equivalent , H *(10), used for area monitoring of strongly penetrating radiation, is not an appropriate quantity for any beta radiation, even that which penetrates 10 mm of tissue ( E max > 2 MeV). For beta particles, the calibration and the determination of the response of dosemeters and doserate meters is essentially a three-step process. First, the basic field quantity, absorbed dose to tissue at a depth of 0,07 mm in a tissue-equivalent slab geometry is measured at the point of test , using methods described in ISO 6980-2. Then, the appropriate operational quantity is derived by the application of a conversion coefficient that relates the quantity measured ( reference absorbed dose ) to the selected operational quantity for the selected irradiation geometry. Finally, the reference point of the device under test is placed at the point of test for the calibration and determination of the response of the dosemeter. Depending on the type of dosemeter under test, the irradiation is either carried out on a phantom or free-in-air for personal and area dosemet...

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BS ISO 6980-3:2006 PDF

Abstract

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Abstract

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