BS EN 1406:2017 Chemicals used for treatment of water intended for human consumption. Modified starches

Water purification
Storage
Transportation
Impurities
Chemical properties
Starches
Water treatment
Physical properties of materials
Potable water
Safety measures
Purity
Marking
Chemical composition
Chemical analysis and testing

Link: BS EN 1406:2017 Chemicals used for treatment of water intended for human consumption. Modified starches
Source: BSI Standards

BS EN 50663:2017 Generic standard for assessment of low power electronic and electrical equipment related to human exposure restrictions for electromagnetic fields (10 MHz – 300 GHz)

Exposure-rate meters
Trade restrictions
Electrical equipment
Electronic devices
Risk assessment

Link: BS EN 50663:2017 Generic standard for assessment of low power electronic and electrical equipment related to human exposure restrictions for electromagnetic fields (10 MHz – 300 GHz)
Source: BSI Standards