W501 Measurement of Hazardous Substances OHTA Course February 13, 2023 @ 8:30 am - February 17, 2023 @ 5:00 pm
W503 Noise – Measurement and its Effects OHTA Course March 6, 2023 @ 8:30 am - March 10, 2023 @ 5:00 pm
NZOHS Work-related Health Conference May 8, 2023 @ 8:00 am - May 9, 2023 @ 5:00 pm Rydges Latimer, Christchurch
W201 Basic Principles of Occupational Hygiene OHTA Course June 6, 2023 @ 9:00 am - June 9, 2023 @ 5:00 pm
