• American Conference of Governmental Industrial Hygienists (ACGIH)
• American Industrial Hygiene Association (AIHA)
• Ministry of Labour Ontario
• International Labour Organization (ILO)
• ILO Safety and Health at Work
• World Health Organization (WHO)
• NIOSH eNews
• EPA USA
• British Occupational Hygiene Society (BOHS)
• European Agency for Safety and Health at Work https://osha.europa.eu/en
• https://www.cdc.gov/index.htm (Centers for Disease Control and Prevention (CDC)
• ICOH Occupational Health and Safety Guide for Small Business
