Meeting the required quality and safety of substances and materials is often taken for granted. Nowadays, sustainability is also important and sometimes mandatory regarding the production process and specifications of a substance or material. Kiwa has extensive expertise in the independent monitoring of the quality and safe use both of traditional materials such as concrete, steel and plastics, and also hazardous substances and materials according to very specific requirements. We can also provide a statement on a materials weaknesses caused by degradation mechanisms such as corrosion, stress corrosion or embrittlement.