EQUIPMENT FOR CONTINUOUS MONITORING OF RADIOACTIVITY IN GASEOUS EFFLUENTS - PART 2: SPECIFIC REQUIREMENTS FOR RADIOACTIVE AEROSOL MONITORS INCLUDING TRANSURANIC AEROSOLS
International Electrotechnical Committee
FOREWORD
1 Scope and object
2 Normative references
3 Terms and definitions
4 Classification of aerosol effluent monitors
5 Sampling and detection assembly
5.1 Air pump
5.2 Aerosol collection device
5.3 Particle collection efficiency
5.4 Radiation detector
5.5 Ease of decontamination
5.6 Sampling inlet and delivery line
6 Check source
7 Expression of measurement
8 Response to other ionizing radiations
9 Compensation of natural activity
9.1 Methods of compensation
9.2 Requirements for electronic compensation methods
10 Standard test conditions
11 Tests performed with variation of the influence
quantities
12 Sources
12.1 Reference sources
12.2 Special sources
12.3 Check sources
12.4 Design of solid sources
12.5 Uncertainty of test sources activity
13 Radiation performance tests
13.1 Dynamic tests
13.2 Static tests
13.3 Compensation against natural background
13.4 Reference response
13.5 Linearity
13.6 Variation of the detection efficiency as a
function of beta radiation energy (beta monitors)
13.7 Variation of the detection efficiency as a
function of alpha radiation energy (alpha monitors)
13.8 Detection efficiency of non-specific radiation
13.9 Response to radioactive gases
13.10 Response to radon-222 and radon-220 daughters
14 Tests of the air circuit
14.1 External leakage
14.2 Monitor sampling efficiency
15 Type test report and certificate
Annex A (informative) List of radionuclides suitable for
tests with variation of beta energy
Bibliography
Tables
Applies to equipment intended for simultaneous, delayed or discrete sequential measurement of aerosols in gaseous effluents discharged into the environment. The object of this standard is to establish specific standard requirements, including technical characteristics and general test conditions, and to give examples of acceptable methods for aerosol effluent monitors.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 45 |
| Supersedes |
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