Hi Dave,
I have corresponded with Günter directly, and yes, you are abolutely correct, 
the creep rates are derived from NCMS data. The problem is little information 
is available how these data have been obtained (NCMS is somewhat better than 
NPL)--this unfortunately is a common problem with consortia. 
Consortia are a real problem since they release--leak--partial information 
that can frequently be misleading, non-members do not know who is working on the 
issues which generates a problem with the credibility of the information. 
Now these data from NCMS [Carol Handworker maybe] and NPL [Colin Lea maybe] 
come from reputable organisations with well-respected people working there. 
Maybe we could hear from Carol and Colin so we get an understanding of these 
differences.

Regards,
Werner Engelmaier

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