Occupational Intakes of Radionuclides Part 1 - ICRP

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DRAFT REPORT FOR CONSULTATION
CONTENTS
PREFACE 5
GLOSSARY 8
1 INTRODUCTION 25
1.1 Purpose of this report series 25
1.2 Protection quantities and dose coefficients in this report series 26
1.3 Previous reports on occupational intakes of radionuclides 28
1.4 Changes in Publication 103 (ICRP, 2007) that affect the calculation of
equivalent and effective dose 29
1.5 Biokinetic models implemented in this report 31
1.6 Dosimetry implemented in this report 34
1.7 Interpretation of bioassay data 36
1.8 Structure of the Report 37
2 CONTROL OF OCCUPATIONAL EXPOSURES TO RADIONUCLIDES
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2.1 Limits, Constraints, Reference Levels and Investigation Levels 39
2.2 Control of Worker Doses 40
2.3 Objectives of Monitoring 41
2.4 Categories of Individual Monitoring Programme 42
2.5 Needs for Individual Monitoring 43
2.6 Female Workers: pregnancy and breast-feeding 44
3 BIOKINETIC AND DOSIMETRIC MODELS 46
3.1 Introduction 46
3.2 Revised Human Respiratory Tract Model (HRTM) 48
3.3 Human Alimentary Tract Model (HATM) 78
3.4 Intact Skin and Wounds 84
3.5 Biokinetic Models for Systemic Radionuclides 87
3.6 Medical Intervention 97
3.7 Methodology for dose calculations 97
4 METHODS OF INDIVIDUAL AND WORKPLACE MONITORING 103
4.1 Introduction 103
4.2 Body Activity Measurements (In Vivo Measurements) 103
4.3 Analysis of Excreta and Other Biological Materials 104
4.4 Exposure Monitoring of the Workplace 105
5 MONITORING PROGRAMMES 107
5.1 Introduction 107
5.2 General Principles for the Design of Individual Monitoring Programmes 107
5.3 Categories of Monitoring Programmes 108
5.4 Derived Investigation Levels 111
5.5 Record Keeping and Reporting 112
5.6 Quality Management System 112
6 GENERAL ASPECTS OF RETROSPECTIVE DOSE ASSESSMENT 114
6.1 Introduction 114
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