Supporting Material
Accredited Proficiency Testing laboratories perform better

Accredited Proficiency Testing laboratories perform better

Overview

A study conducted by CALA, a Canadian Accreditation body, carried out comparisons between accredited and non-accredited laboratories providing results to a CALA proficiency testing (PT) programme.

The data involved¬† inorganic tests, organic tests and microbiological tests. In all cases examined, the percentage of both ‘Questionable’ and ‘Unsatisfactory’ performance was higher for non-accredited laboratories than for accredited laboratories.

A copy of the paper is available here.




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