Water Quality Standards

Water Type

Sample Applications

Standards

Softened water

• Low pressure boilers
• Domestic use
• Closed recirculatory systems
• Bottle washing
• Recirculatory cooling systems
• Laundrettes

Industrial water society (IWS)
BS 2487: 1978
BS1170: 1983
BEWA: COP. 01.85

De-alkalinised water

• Food and soft drinks
• Recirculatory cooling systems
• Brewing

BS 2486: 1978

De-ionised water

• Spirit reduction
• Plating industry
• Labs
• Battery top up
• Renal dialysis
• Humidifiers
• Medium pressure boilers

Purified water

• Cosmetics
• Pharmaceuticals
• Labs
• Boilers
• Laundrettes
• Closed recirculatory systems
• Domestic use
• Chemical manufacturing BS 3978: 1966

Apryogenic water

• Vial washing
• Parental solutions

Water

• Tissue culture

High purity water

• Labs
• High pressure boilers

Ultrapure water

• Labs
• High pressure boilers