BS 6400-2:2018 Specification for installation, exchange, relocation, maintenance and removal of gas meters with a maximum capacity not exceeding 6 m$u3/h Medium pressure (2nd family gases)

Gas-supply meters
Size
Volume flowmeters
Buildings
Position
Control devices
2nd family gases
Pressure
Installation
Safety measures
Domestic
Exchange
Flow rates
Flowmeters

Link: BS 6400-2:2018 Specification for installation, exchange, relocation, maintenance and removal of gas meters with a maximum capacity not exceeding 6 m$u3/h Medium pressure (2nd family gases)
Source: BSI Standards

BS EN 16777:2018 Chemical disinfectants and antiseptics. Quantitative non-porous surface test without mechanical action for the evaluation of virucidal activity of chemical disinfectants used in the medical area. Test method and requirements (phase 2/step 2)

Antiseptics
Viruses
Hospitals
Cleaning materials
Test methods
Disinfectant tests
Medical equipment
Medical sciences
Testing
Biological analysis and testing
Microorganisms
Microbiological analysis
Disinfectants

Link: BS EN 16777:2018 Chemical disinfectants and antiseptics. Quantitative non-porous surface test without mechanical action for the evaluation of virucidal activity of chemical disinfectants used in the medical area. Test method and requirements (phase 2/step 2)
Source: BSI Standards