Haysam Elhassan in Sydney works at OHMS Hygiene Pty Ltd (Principal Occupational Hygienist).
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OHMS Hygiene Pty Ltd
Jan 2020 - Present1 year
-
Present
Principal Occupational Hygienist
WSP in Australia & New Zealand
Feb 2014 - Jan 2020
-
Principal Occupational Hygienist
None listed.
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AT OHMS HYGIENE PTY LTD