Hazard Communication Refresher Training: Reinforcing Chemical Safety and Reducing Risk

Written by Stacey Markel, CHCM, CHSP, HEM

Hazard Communication (HazCom) programs are a core component of workplace safety, but their long-term effectiveness depends on ongoing reinforcement. Refresher training helps employees retain essential knowledge, adapt to operational changes and consistently apply safe practices when working with hazardous chemicals.

Why HazCom Refresher Training Matters

Under OSHA’s Hazard Communication Standard (29 CFR 1910.1200), employers are required to provide training at initial assignment and when new hazards are introduced. As workplace risk continues to evolve, training programs should evolve with it.

Over time, employees may forget procedures, develop shortcuts or become less attentive to hazards. Consistent, practical and workplace-specific training helps reinforce safe behaviors, strengthen safety culture and reduce chemical exposure risk.

Key benefits include:

• Reinforcing core principles such as labeling, Safety Data Sheet (SDS) use and appropriate personal protective equipment (PPE) selection
• Improving hazard recognition, especially when new chemicals or processes are introduced
• Identifying and correcting unsafe behaviors before they lead to incidents
• Supporting loss control efforts by reducing claim frequency and severity

When to Provide HazCom Refresher Training

Organizations that establish a defined refresher schedule are generally more effective in maintaining compliance and managing exposure.

A structured approach may include:

• Annual refresher training for most workplaces
• More frequent training in higher-risk environments, including manufacturing and healthcare

In addition, certain events should prompt immediate refresher training:

• Introduction of new chemicals or operational processes
• Near-miss incidents or emerging claim trends related to chemical exposure
• Updates to Safety Data Sheets (SDS) or labeling requirements
• Audit findings or regulatory inspections that identify gaps

Building More Effective HazCom Refreshers

Effective refresher training focuses on practical application, engagement and relevance to daily operations.

• SDS and Label Review: Reinforce how to locate hazard classifications, first aid measures and PPE requirements
• Real-World Examples: Use internal incidents or industry case studies to highlight potential outcomes and connect training directly to workplace exposures
• Interactive Learning: Incorporate quizzes, group discussions or demonstrations to improve retention and encourage active participation
• Workplace-Specific Content: Focus on actual chemical inventory and processes to ensure training reflects day-to-day operations

Common Gaps in HazCom Programs

Risk assessments often reveal recurring hazard communication challenges:

• Difficulty interpreting Safety Data Sheet (SDS) information
• Inconsistent labeling practices
• Overreliance on one-time onboarding training
• Limited documentation of training completion

Addressing these gaps through structured refresher training helps strengthen compliance and reduce exposure.

Evaluating Your HazCom Approach

As organizations evaluate their Hazard Communication programs, refresher training should align with current operations, exposures and overall risk profile. Our Risk Consulting team can help assess training gaps, identify improvement opportunities and support a more proactive approach to chemical safety. Contact us to learn more.