Industrial Hygiene and Occupational Health

Since 1979, T. Harris Environmental Management Inc. has  provided our clients with a multi-disciplinary approach to Occupational Hygiene services. Occupational hygiene is the science of anticipation, recognition, evaluation and control of chemical physical, biological and physiological stressors in the work place or community than can impact worker health or community health.

Occupational Hygiene:

  • Audits (Compliance, EHS, Gap Analysis, Waste)
  • EH&S Program and Policy Development
  • Electromagnetic Frequency Surveys (Ionizing and non-ionizing radiation evaluations)
  • Employee EH&S Training
  • Ergonomics Assessment
  • Heat Stress Monitoring
  • Indoor Air Quality Assessments, Odour and Vapour Intrusion Investigations
  • Management Planning
  • Microbial Contamination and Exposure Evaluations
  • Noise (occupational, NC and PNC)
  • Occupational Hygiene & Occupational Health Risk Assessment & Exposure Management
    • safety, ergonomics, chemical, physical and biological agents in the workplace
  • Clandestine drug lab assessments (Meth, MGO)


  • Confined space entry assessments
  • deluge shower / emergency eyewash audits to ANSI standard
  • Prestart health and safety reviews
  • Respirator fit testing
  • Safety Training (lead, asbestos, mould, RF, hazardous materials, Isocyanates, WHMIS, respirator fit testing train the trainer, fall protection)
  • Job hazard analysis and risk assessment

Our teams include Certified Industrial Hygienists (CIH), Registered Occupational Hygiene Technicians (ROHT), and Registered Occupational Hygienists (ROH). Our teams have extensive experience with the organization and administration of occupational health programs and the anticipation, recognition and evaluation and control of occupational hazards, with particular emphasis on chemical, physical and biological hazards.