If a CAB wants to use a standard method outside their intended scope, is there any boundaries for that? (e.g. a water standard for fuels, or salted peanuts)?
Does it have to be flexible?
Our National Standardization Body has a problem with extension: in their opinion, it isn’t possible, only if CABs use their own method name. What are your experiences?
In this application, it could not be considered and described simply as a standard method. It would need to be described as : in-house method« adapted from» or «based on ».
The accredited scope (whether it is fixed or flexible) would have to be drafted to show whatever boundaries of competence had been assessed and agreed with the laboratory.
In any case the proposed method would need to be » validated « for use in the intended application especially as any standard method «validation» would have been conducted in very different circumstances.