Canadian Registration Board of Occupational Hygienists
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WRITTEN EXAMS (2015-2020) Average
ROHT – 66.8%
ROH Fast Track 1 – 75.6%
ROH Fast Track 2 – 97.1%
ROH (Full Exam) – 56.7%
ORAL EXAMS (2015-2020) Average
NAR – 67%
ROH – 74%