BSI 22/30394888 DC 2022

$13.70

BS ISO 20956. Radiological protection. Low dose rate calibration of instruments for environmental and area monitoring

Published By	Publication Date	Number of Pages
BSI	2022	21

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PDF Catalog

PDF Pages	PDF Title
6	Foreword
7	Introduction
9	1 Scope 2 Normative references 3 Terms and definitions
10	4 Symbols
11	5 Calibration methods under laboratory conditions 5.1 Calibration of the Radiation Field Ḣ0 using a reference source 5.1.1 General 5.1.2 Calibration procedure of the reference Radiation Field Ḣ0 5.1.3 Calibration procedure of the Radiation Field Ḣ0 at a distance r
12	5.1.4 Uncertainty for the calibration of the radiation field using the reference source 5.2 Ground level facilities with normal background dose levels 5.2.1 General 5.2.2 Dose equivalent rate evaluation using the inverse square of distance 5.2.3 Detector Calibration procedure 5.2.4 Uncertainty contributions to the detector calibration uncertainty
13	5.3 Ground level facilities with added shielding at lower than normal background levels 5.3.1 General 5.3.2 Description of the ground level facility with added shielding 5.3.3 Detector Calibration procedure 5.3.4 Uncertainty contributions to the detector calibration uncertainty 5.4 Underground facilities with ultra-low background dose levels 5.4.1 General
14	5.4.2 Description of the facility 5.4.3 Uncertainty contributions to the detector calibration uncertainty 6 Routine checking 6.1 General 6.2 Description of the method 6.2.1 Introduction
15	6.2.2 Irradiation setup for regular checking 6.2.3 Criteria for routine checks 7 On site calibration 7.1 General 7.2 The method using a portable calibrated radioactive source 7.2.1 General
16	7.2.2 portable calibrated radioactive source 7.2.3 Procedure of calibration 7.2.4 Uncertainty contributions to the detector calibration uncertainty 7.3 The method using a reference standard instrument 7.3.1 General 7.3.2 The calibration instruments 7.3.3 Uncertainty contributions
17	Annex€A (informative) Example of a ground level facility with added shielding[2]
19	Annex€B (informative) Reference sites for characterization of environmental dosemeters with respect to background ionizing radiation in the environment [3,4]
21	Bibliography