1st i like to say thanks for all of u people. because i got many valuable information from u people. i am working in gherkin industry. my BRC auditor made NC, because we are not conducting proficiency test for microbiology methods. so please give me any example how to quantify microbiology methods of proficiency testing.
This related forum thread may be of some interest –
Terminologies in this field seem to be somewhat overlapping but here is a basic exposition of PT–
The phrase “ring test” used to be more commonly found as here –
A general overview –
And an (older) detailed practical review from a famous Laboratory –
Proficiency Testing in the Food Microbiology Laboratory, 1999.pdf 107.15KB
Rgds / Charles.C