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BSi – The company, BSI British Standards, is a national standards body of the United Kingdom (NBS) and it was actually the very first one in the world. It represents national and social interests of Great Britain in all European and international standardization organizations and in the development of business information of British institutions of all sizes and sectors. BSI British Standards cooperates with manufacturing and service industries, various companies, the government and with consumers as well in order to facilitate the production of British, European and international standards. A part of BSI Group, BSI British Standards, works closely with the government of the United Kingdom, especially in the Department for Innovations, Universities and Skills (DIUS).
Measurement of radioactivity in the environment. Air: radon-222. Integrated measurement method for determining average potential alpha energy concentration of its short-lived decay products.
Standard published on 6.11.2019
Selected format:Measurement of radioactivity in the environment. Air: radon-222. Spot measurement method of the potential alpha energy concentration of its short-lived decay products.
Standard published on 12.2.2020
Selected format:Measurement of radioactivity in the environment. Air: radon-222. Integrated measurement method for determining average activity concentration using passive sampling and delayed analysis.
Standard published on 30.3.2021
Selected format:Tracked Changes. Measurement of radioactivity in the environment. Air: radon-222. Integrated measurement method for determining average activity concentration using passive sampling and delayed analysis.
Standard published on 14.6.2021
Selected format:Measurement of radioactivity in the environment. Air: radon-222. Continuous measurement methods of the activity concentration.
Standard published on 18.2.2020
Selected format:Measurement of radioactivity in the environment. Air: radon-222. Spot measurement methods of the activity concentration.
Standard published on 14.2.2020
Selected format:Measurement of radioactivity in the environment. Air: radon-222. Accumulation method for estimating surface exhalation rate.
Standard published on 31.10.2015
Selected format:Non-destructive testing of welds. Ultrasonic testing. Acceptance levels.
Standard published on 9.3.2018
Selected format:Tracked Changes. Non-destructive testing of welds. Ultrasonic testing. Acceptance levels.
Standard published on 24.2.2020
Selected format:Fibre reinforced plastics. Moulding compounds and prepregs. Determination of resin, reinforcement-fibre and mineral-filler content. Dissolution methods.
Standard published on 15.4.2000
Selected format:Latest update: 2026-03-30 (Number of items: 2 269 988)
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