Overview
A health hazard evaluation (HHE) is a workplace assessment that helps identify whether employees are exposed to hazardous materials or conditions that could cause health problems.
An HHE request is available to employees, unions, or management and is handled by the National Institute for Occupational Safety and Health (NIOSH). The agency can keep the requestor’s name confidential on request and provides findings and recommendations after an evaluation.
Key takeaways
- An HHE identifies workplace exposures and recommends controls to reduce health risks.
- Any employee (with coworker signatures), union officer, or manager may request an HHE.
- NIOSH reports results to employees, employers, and relevant agencies, and the final report must be posted for workers.
How it works
The request process begins when a worker, a union representative, or management files an HHE request with NIOSH. The agency logs the request and usually responds by letter within a few weeks.
If the situation needs more than a phone consultation, NIOSH assigns a project officer who will contact the requesting party and arrange a visit when appropriate; surprise visits are uncommon. After collecting data through interviews, observations, and measurements, NIOSH issues preliminary findings and a final report with recommendations.
Workplaces with industry-specific hazards may find additional guidance by consulting focused resources such as Hazards in Hotel Work and Construction.
What it may cover (and what it may not)
An HHE can evaluate chemical exposures, airborne contaminants, noise, heat stress, biological agents, ergonomic hazards, and other conditions that pose health risks. The investigation typically includes interviews, walk-throughs, and environmental monitoring when needed.
NIOSH provides recommendations based on best practices and current science, but it does not enforce changes or issue citations; enforcement and regulatory follow-up, if any, are handled by agencies with authority to do so. For employers and workers evaluating the role of insurance and risk transfer, see Occupational Hazard Insurance for industry-specific considerations.
Common mistakes to avoid
- Waiting too long to report symptoms or concerns — early reporting helps target exposures accurately.
- Assuming an HHE will automatically change company policy — NIOSH provides recommendations but not enforcement.
- Not involving employee representatives during visits — participation helps ensure findings reflect workers’ experiences.
- Relying solely on one source of information — combine interviews, observations, and measurements for a complete picture.
Questions to ask an agent
When discussing workplace health and insurance with an agent, ask how your policy addresses occupational exposures, long-term disease claims, and coverage gaps for specific job tasks.
If you represent a specialized operation, request examples of claims or coverages in similar settings; for instance, businesses in media production may want to review industry-specific provisions and risks with resources like Film and Video Production Studio Insurance.
Next steps
If you suspect harmful workplace exposures, document conditions and symptoms, notify your supervisor or safety representative, and consider filing an HHE request with NIOSH.
Share concerns with coworkers and keep records of communications and any medical reports. For help evaluating insurance options or coverage after an HHE, or to talk to an agent about your business needs, contact a licensed insurance professional.
Frequently Asked Questions
Who can request a health hazard evaluation?
Any employee (with two coworker signatures), a union officer, or a manager can request an HHE from NIOSH.
Will NIOSH keep my name confidential?
Yes, NIOSH can keep the requestor’s name confidential if the requestor asks for confidentiality.
Does NIOSH enforce its recommendations?
No, NIOSH issues findings and recommendations but does not have enforcement authority; regulatory agencies handle enforcement.
How long does an HHE take?
Timing varies by case, but NIOSH typically assigns a project officer within weeks and issues a final report after analysis.
Where must the final report be posted?
The final report should be posted where employees from the evaluated areas can access it, as required by the agency.