British Standards Institution

Sector: Sustainability

Overview: Under the direction of the EH/3, is responsible for the standardisation of radioactivity measurement methods used in the field of water quality assessment, provision of UK input to ISO/TC147/SC3 and all other matters associated with the standardization of radioactivity measurement used for the monitoring of waters for regulatory purposes, research, etc.

Committee standards activity

In Progress (17)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
ISO/PWI 4723,	ISO/PWI 4723, Water quality -- Actinium-227 -- Test method using alpha-spectrometry Categories: Information management \| Standardization. General rules \| Measurement and Science \| Testing \| Environment \| Water quality \| Water quality. General \| Water. Examination. General \| Water. Examination. Chemical substances Proposal begins : 2020-07-30	Proposal
ISO/PWI 4722-2,	Water quality -- Thorium -- Part 2: Test method using ICP/MS Categories: Information management \| Standardization. General rules \| Measurement and Science \| Testing \| Environment \| Water quality \| Water quality. General \| Water. Drinking \| Water. Examination. General \| Water quality. Other Proposal begins : 2020-06-01	Proposal
ISO/PWI 4717,	ISO/PWI 4717, Water quality -- Protactinium-231 -- Test method using ICP-MS Categories: Information management \| Standardization. General rules \| Water quality \| Water quality. General \| Water. Drinking \| Water. Examination. General \| Water. Examination. Chemical substances \| Water. Examination. Physical properties \| Water quality. Other Proposal begins : 2020-06-01	Proposal
ISO/PWI 4702,	ISO/PWI 4702, Water quality -- Zirconium 93 -- Test method using ICP/MS Categories: Information management \| Standardization. General rules \| Measurement and Science \| Metrology and measurement \| Measurement. Radiation \| Testing \| Environment \| Water quality \| Water quality. General \| Water. Drinking \| Water. Examination. General \| Water quality. Other Proposal begins : 2020-06-01	Proposal
BS ISO 20899	Water quality — Plutonium and neptunium — Test method using ICP-MS Categories: Unclassified documents Drafting begins : 2025-08-16	Drafting
BS EN ISO 9698	Water quality — Tritium — Test method using liquid scintillation counting Categories: Unclassified documents Drafting begins : 2026-05-22	Drafting
BS EN ISO 9697	Water quality — Gross beta activity — Test method using thick source Categories: Water. Examination. Physical properties \| Radiation protection Drafting begins : 2025-09-23	Drafting
BS EN ISO 22125-2	Water quality — Technetium-99 — Part 2: Test method using inductively coupled plasma mass spectrometry (ICP-MS) Categories: Unclassified documents Drafting begins : 2026-02-09	Drafting
BS EN ISO 22125-1	Water quality — Technetium-99 — Part 1: Test method using liquid scintillation counting Categories: Unclassified documents Drafting begins : 2025-11-29	Drafting
BS EN ISO 13169	Water quality — Uranium — Test method using alpha liquid scintillation counting Categories: Water. Examination. Physical properties \| Measurement. Radiation Drafting begins : 2025-09-23	Drafting

Published (36)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS ISO 4723:2023	Water quality. Actinium-227. Test method using alpha-spectrometry Categories: Water. Examination. Physical properties \| Measurement. Radiation Published standard begins : 2023-11-10	Published standard
BS ISO 4722-2:2024	Water quality. Thorium 232. Test method using ICP-MS Categories: Water. Examination. Physical properties \| Measurement. Radiation Published standard begins : 2024-12-04	Published standard
BS ISO 4722-1:2023	Water quality. Thorium 232. Test method using alpha spectrometry Categories: Water. Examination. Physical properties \| Measurement. Radiation Published standard begins : 2023-10-26	Published standard
BS ISO 4721:2024	Water quality. Strontium 90. Test method using ICP-MS Categories: Water. Examination. Physical properties \| Measurement. Radiation Published standard begins : 2024-12-04	Published standard
BS ISO 4717:2024	Water quality. Protactinium 231. Test method using ICP-MS Categories: Water. Examination. Physical properties \| Measurement. Radiation Published standard begins : 2024-12-03	Published standard
BS ISO 4702:2024	Water quality. Zirconium 93. Test method using ICP-MS Categories: Water. Examination. Physical properties \| Measurement. Radiation Published standard begins : 2024-12-04	Published standard
BS ISO 4685:2024	Water quality. Radium 226. Test method using ICP-MS Categories: Water. Examination. Physical properties \| Measurement. Radiation Published standard begins : 2024-01-15	Published standard
BS ISO 23655-2:2022	Water quality. Nickel-59 and nickel-63. Test method using ICP-MS Categories: Water. Examination. Physical properties \| Measurement. Radiation Published standard begins : 2022-09-22	Published standard
BS ISO 23655-1:2022	Water quality. Nickel-59 and nickel-63. Test method using liquid scintillation counting Categories: Water. Examination. Physical properties \| Measurement. Radiation Published standard begins : 2022-09-07	Published standard
BS ISO 20899:2018	Water quality. Plutonium and neptunium. Test method using ICP-MS Categories: Water. Examination. Physical properties \| Radiation protection \| Measurement. Radiation Published standard begins : 2018-09-04	Published standard

Withdrawn (20)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS ISO 9697:2015	Water quality. Gross beta activity in non-saline water. Test method using thick source Categories: Water. Examination. Physical properties \| Radiation protection Withdrawn begins : 2017-12-04	Withdrawn
BS ISO 13168:2015	Water quality. Simultaneous determination of tritium and carbon 14 activities. Test method using liquid scintillation counting Categories: Water. Examination. Physical properties \| Radiation protection Withdrawn begins : 2024-03-11	Withdrawn
BS ISO 13166:2014	Water quality. Uranium isotopes. Test method using alpha-spectrometry Categories: Water. Examination. Physical properties \| Radiation protection Withdrawn begins : 2020-08-05	Withdrawn
BS ISO 13165-3:2016	Water quality. Radium-226. Test method using coprecipitation and gamma-spectrometry Categories: Water. Examination. Physical properties \| Measurement. Radiation Withdrawn begins : 2020-03-09	Withdrawn
BS ISO 13165-2:2014	Water quality. Radium-226. Test method using emanometry Categories: Measurement. Radiation \| Water. Examination. Physical properties Withdrawn begins : 2020-03-06	Withdrawn
BS ISO 13164-4:2015	Water quality. Radon-222. Test method using two-phase liquid scintillation counting Categories: Water. Examination. Physical properties \| Radiation protection \| Measurement. Radiation Withdrawn begins : 2020-03-05	Withdrawn
BS ISO 13163:2013	Water quality. Lead-210. Test method using liquid scintillation counting Categories: Water. Examination. Physical properties \| Measurement. Radiation Withdrawn begins : 2019-08-16	Withdrawn
BS ISO 11704:2010	Water quality. Measurement of gross alpha and beta activity concentration in non-saline water. Liquid scintillation counting method Categories: Measurement. Radiation \| Water. Examination. Physical properties Withdrawn begins : 2015-08-14	Withdrawn
BS ISO 10704:2009	Water quality. Measurement of gross alpha and gross beta activity in non-saline water. Thin source deposit method Categories: Water. Examination. Physical properties \| Radiation protection Withdrawn begins : 2015-08-19	Withdrawn
BS EN ISO 9698:2015	Water quality. Determination of tritium activity concentration. Liquid scintillation counting method Categories: Soil quality \| Water. Examination. Physical properties \| Radiation protection Withdrawn begins : 2019-06-14	Withdrawn

Standards Development

EH/3/8 - Radioactivity measurements methods

Committee standards activity