Emergency equipment
Occupational safety
Particulate materials
Protective clothing
Chemical-resistant materials
Sealed
Gases
Solids
Liquids
Aerosols
Link: BS EN 943-2:2019 Protective clothing against dangerous solid, liquid and gaseous chemicals, including liquid and solid aerosols Performance requirements for Type 1 (gas-tight) chemical protective suits for emergency teams (ET)
Source: BSI Standards