BS ISO 20338:2019 Oxygen reduction systems for fire prevention. Design, installation, planning and maintenance

pH
Performance testing
Fire extinguishing materials
Fire-resistant materials
Marking
Fire safety
Physical properties of materials
Spreading
Concentrates
Viscosity
Chemical properties
Foams
Fire tests
Firefighting equipment
Surface tension

Link: BS ISO 20338:2019 Oxygen reduction systems for fire prevention. Design, installation, planning and maintenance
Source: BSI Standards