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BS

BS PD ISO/TS 11665-13:2017

Measurement of radioactivity in the environment. Air: radon 222. Determination of the diffusion coefficient in waterproof materials: membrane two-side activity concentration test method
standard by BSI Group, 10/25/2017

BS

BS PD ISO/TS 11999-2:2015

PPE for firefighters. Test methods and requirements for PPE used by firefighters who are at risk of exposure to high levels of heat and/or flame while fighting fires occurring in structures. Compatibility
standard by BSI Group, 06/30/2015