The Central Research Institute of Electric Power Industry (CRIEPI) established a "PD Center" to fill the role of the authorized PD qualifying body and PD examination center for the Japanese PD system on November 1, 2005. March 2006 saw the start of PD examinations for ultrasonic testing (UT) depth sizing of austenitic stainless steel pipes in Japan.
As of March, 2009, 23 examination courses have been completed and 27 out of 38 candidates passed the examination.

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