Testing Standards
- European Pharmacopoeia (EP)
- International Society of Beverage Technologists (ISBT)
- European Industrial Gases Association (EIGA)
- United States Pharmacopoeia (USP)
- American Military Standards (MIL)
- International Standards Organisation (ISO)
- British Standards (BS)
- Compressed Gases Association (CGA)
- Health Technical Memoranda (HTM)