1. EN ISO / IEC 17025: 2005 : Algemene eisen voor de competentie van beproevings- en kalibratielaboratoria.

2. IEC 60204-1 : Safety of machinery - electrical equipment of machines. Part 1: general requirements.

3. IEC 62061 : Safety of machinery - functional safety of safety-related electrical, electronic and programmable electronic control systems.

4. ISO 11866-1 : Milk and milk products - Enumeration of presumptive Escherichia coli - Part 1:Most probable number technique using 4-methylumbelliferyl-??-D-glucuronide (MUG).

5. ISO / IEC 17799 : Information technology - Security techniques - Code of practice for information security management.