Validating a standard procedure

In some classical fields of environmental and food analysis which usually undergo regulatory requests, standard methods exist. This is typically the case for water and air analysis, waste disposal or incineration, natural and processed food samples etc. Such standardised methods (in particular the most recent standards) are often described in such a manner that a validation can be achieved rapidly. AOAC has validated hundreds 

Evaluation of ruggedness and statistical control of the method (charts) 

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