CAEALCanadian Association for Environmental Analytical Laboratories
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To this end, CAEAL and the Standards Council of Canada (SCC) jointly deliver an accreditation program for environmental laboratories in Canada.
In addition, CAEAL provides a proficiency testing service for British Columbia Environment which encompasses another 70 labs.
Laboratories which participated in the proficiency testing studies were required to analyze four samples of different concentrations for each parameter, from which CAEAL determines an overall score through a statistical analysis; the maximum score is 100, a pass is 70, and approximately 10% of the results are expected to be considered unsatisfactory due to the statistical treatment of the data.