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This is to certify that

Jens Friedrichsen

has successfully completed

[Live Webinar] Ethical Issues from the St. Francis Dam Collapse

Instructor:
Mr. J. Paul Guyer, P.E., R.A.

2 PDH Units

November 17, 2021

NYSED Sponsor 179

Dr. Hisham N. Ashur, Ph.D, CQE

PDH Source, LLC

PO. Box: 981. Charlottesville, VA 22902. USA

51109 11 2021 64274
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