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  • BSI
    BS ISO 16640:2021 Monitoring radioactive gases in effluents from facilities producing positron emitting radionuclides and radiopharmaceuticals
    Edition: 2021
    $497.46
    / user per year

Description of BS ISO 16640:2021 2021

This document focuses on monitoring the activity concentrations of radioactive gases. They allow the calculation of the activity releases, in the gaseous effluent discharge from facilities producing positron emitting radionuclides and radiopharmaceuticals. Such facilities produce short-lived radionuclides used for medical purposes or research and can release gases typically including, but not limited to 18F, 11C, 15O and 13N. These facilities include accelerators, radiopharmacies, hospitals and universities. This document provides performance?based criteria for the design and use of air monitoring equipment including probes, transport lines, sample monitoring instruments, and gas flow measuring methods. This document also provides information on monitoring program objectives, quality assurance, development of air monitoring control action levels, system optimisation and system performance verification.

The goal of achieving an unbiased measurement is accomplished either by direct (in-line) measurement on the exhaust stream or with samples extracted from the exhaust stream (bypass), provided that the radioactive gases are well mixed in the airstream. This document sets forth performance criteria and recommendations to assist in obtaining valid measurements.

NOTE 1

The criteria and recommendations of this document are aimed at monitoring which is conducted for regulatory compliance and system control. If existing air monitoring systems were not designed according to the performance criteria and recommendations of this document, an evaluation of the performance of the system is advised. If deficiencies are discovered based on a performance evaluation, a determination of the need for a system retrofit is to be made and corrective actions adopted where practicable.

NOTE 2

The criteria and recommendations of this document apply under both normal and off?normal operating conditions, provided that these conditions do not include production of aerosols or vapours. If the normal and/or off-normal conditions produce aerosols and vapours, then the aerosol collection principles of ISO 2889 also apply.



Standard NumberBS ISO 16640:2021
TitleMonitoring radioactive gases in effluents from facilities producing positron emitting radionuclides and radiopharmaceuticals
StatusWithdrawn
Publication Date2021-01-18
Withdrawn Date2023-03-21
Identical National Standard OfISO 16640
DescriptorsRadionuclides, Gaseous emissions, Accelerators (particle), Wards (hospitals), Universities, Medical equipment, Probes, Gas flow, Quality assurance systems, Quality assurance
ICS13.280 Radiation protection, 13.030.30 Special wastes
CommitteeNCE/2
ISBN978 0 580 97874 6
PublisherBSI
Pages64

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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