The American Industrial Hygiene Association (AIHA), by forming a cooperative effort with the Canadian Council of Occupational Hygiene/Conseil Canadien d'Hygiene du Travail (CCOH), hopes to build a centralized resource for occupational health and safety professionals – but not, according to a source knowledgeable about the agreement, to create any new certifications or make policy changes on either side. The memorandum of understanding (MOU) between the two organizations (see related document) was signed June 2. The relationship between AIHA and CCOH is being described as a way to generate join
December 30, 2025