Distinctly Canadian Environmental and Occupational Health and Safety Consulting

Our professional staff serve a wide range of clientele including industrial, commercial, institutional (ICI), and residential.

Protect Your Home & Family

Concerned about asbestos, air quality, or mould? Our expert testing services help homeowners identify hidden hazards and create a safer living space. Get fast, reliable results with clear next steps.

Occupational Hygiene and Risk Management

Assessment & Exposure Management Regarding Safety, Ergonomics, Chemical, Physical, and Biological Agents in the Workplace.

Training Programs Covering a Wide Range of Topics

Includes Materials, Occupational & Environmental Health and Safety and Regulatory Compliance.

Hazardous Waste Management Services

Can Provide the way to accomplish Timely, Cost effective Work partnering with Accredited Contractors

Convenient Locations Across Central Canada

Cambridge  I  London  I Montreal  I  Ottawa  I  Toronto 

Our Services

T. Harris Environmental Management Inc. (THEM) is a leading Canadian environmental consulting firm in the following fields:

  • Environmental Services
  • Hazardous Materials Management
  • Occupational Health & Safety

Our professional staff serve a wide range of clientele including industrial, commercial, institutional (ICI), and residential.

We inspire and empower companies to achieve excellence in creating safe and healthy environments. We strive to create an engaged, proactive society which values and protects the health and safety of people and the environment.

Hazardous Building Materials Management

Environmental
Due Diligence & Remediation

Occupational Health & Safety

Health & Safety for Homeowners

What We Stand For

We are passionate about health & safety and committed to excellence.  Since 1979, we continue to provide high quality services. We take pride in building long-term relationships with our clients. We are dedicated to understanding your concerns and meeting your needs by delivering efficient, cost-effective solutions.

Featured News

 

 

 

 

 

 

 

 

 

 

MLITSD Compliance Blitzes 2026-2027

MLITSD has released its 2026–2027 inspection blitz priorities, outlining the sectors and hazards inspectors will be focusing on across Ontario. This article breaks down what to expect and how your organization can prepare proactively to reduce risk, address compliance gaps, and stay inspection-ready.

Spring HVAC & IAQ Readiness Checklist for Facility Teams 

A seasonal HVAC changeover can lead to indoor air quality issues such as dust, airflow imbalances, and humidity concerns. This practical checklist helps property managers proactively identify and address these risks to maintain occupant comfort and building performance. 

open office space

 

 

 

 

 

 

 

 

 

 

Common Violations Identified During MLITSD Blitzes

MLITSD blitz results continue to highlight the same compliance gaps across Ontario workplaces. This article outlines the most frequently cited violations—along with practical, actionable steps to help your organization strengthen programs, improve documentation, and prepare with confidence for the 2026 inspection cycle.

What Our Clients Say

Our Affiliations

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