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.
When to Conduct a Heat Stress Assessment
Rising temperatures can significantly increase the risk of heat-related illness in the workplace, especially in physically demanding or outdoor environments. This article outlines when a heat stress assessment should be conducted and how a proactive, documented approach can support worker safety, productivity, and compliance with Ontario’s OHSA requirements.
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.


