BS ISO 20041-1. Tritium and carbon-14 activity in gaseous effluents and gas discharges of nuclear installations. Part 1. Sampling of tritium and carbon-14
27.120.20 - Nuclear power plants. Safety
ISO 20041-1 presents the methods and provisions for sampling tritium and carbon-14 in the gaseous effluents generated by nuclear facilities during operation and decommissioning. Specifically included are sample withdrawal location, extraction, transport flow measurement, and collection for later analysis.
This document doesn’t address to real time measurements of tritium activity and carbon-14 activity in the effluent air of stacks and ducts. Information about real time measurements can be found in the informative annex H of ISO 2889.
Sample processing, analysis and calculations of tritium and carbon-14 emissions are addressed in ISO 20041-2 and ISO 20041-3 respectively.
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