German Normalisation Institute

The German normalisation institute DIN has declared substance (Stoff) nicht normfahig (not capable of being defined). 

For standardised instrumental analytical methods, i.e. biomarkers, biosensors and bioassays, there are well-established standard protocols on the national level, e.g. under Association Francaise de Normalisation (AFNOR), British Standard Institute (BSI), DIN (German Organisation for Standardisation), etc., and all those standards are formed by ISO-Working Groups and by validation studies into ISO - and CEN - Standards. Normal accredited and well-qualified laboratories should be able to perform the monitoring. 

In Germany the Standards Committee of German Industry was formed in 1917, This became the Deutscher Normenausschuss, and finally the Deutsches Institut fiir Normung (DIN). In the United States the American Standards Engineering Committee, later to become the American National Standards Institute (ANSI), was established in 1918. In France, the Permanent Standardization Committee was formed in 1918. eventually to become the Association frangaise de normalisation (AFNOR). 

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