What Is Industrial Hygiene and Why Is It Important?
Industrial hygiene is the science of anticipating, recognizing, evaluating, and controlling workplace hazards to protect worker health. It is a fundamental component of occupational health, as workplace hazard exposures contribute to millions of injuries and illnesses and thousands of fatalities each year in the United States. Effective industrial hygiene programs can prevent harm through hazard identification, exposure assessment and control measure implementation. They also help reduce costs tied to legal claims, medical expenses, and lost productivity while enhancing employee morale and strengthening the organization’s reputation. For any business with employees, industrial hygiene is essential to protecting health and safety while enhancing long-term business performance.
Definition: What Is Industrial Hygiene?
The American Industrial Hygiene Association (AIHA) defines industrial hygiene, as “a science and art devoted to the anticipation, recognition, evaluation, control, and confirmation of protection from those environmental factors or stressors rising in or from the workplace that may cause sickness, impaired health, and well-being, or significant discomfort among workers or among citizens of the community.” The occupational hygiene 5-step framework is:
- Anticipate: predict hazards during workplace design
- Recognize: identify potential hazards
- Evaluate: monitor exposures
- Control: implement mitigation strategies
- Confirm: reassess to verify control effectiveness
Industrial hygiene differs from occupational health nursing and safety management by focusing specifically on the recognition, evaluation, and control of environmental workplace exposures. Certified Industrial Hygienists (CIHs) are qualified professionals who meet the established education and experience requirements and successfully pass a comprehensive certification exam. Through the application of scientific principles and preventive strategies, industrial hygiene helps identify and minimize workplace hazards to protect worker health, safety, and overall well-being.
Why Industrial Hygiene Matters: The Business Case
Prioritizing worker health and safety is essential for injury prevention, reduced illness rates, and minimized long-term health risks associated with occupational exposures. Strong safety compliance programs allow businesses to proactively identify hazards, quantify exposures through scientific methodologies, establish mitigation strategies following the hierarchy of controls, and conduct reassessments to ensure the effectiveness of controls. These efforts protect employees from preventable injuries and adverse health effects, while also protecting companies from costs associated with medical treatment, worker’s compensation claims, and legal fees. The occupational health benefits of investing in industrial hygiene programs can also include increased productivity due to fewer operational disruptions and missed workdays caused by illness or injury. This fosters employee trust and a positive company culture, which can support workforce retention. Together, these factors enhance a business’s reputation as an organization that prioritizes workplace safety important and facilitates long-term organizational success.
Common Workplace Hazards Industrial Hygienists Address
Industrial hygienists are trained to identify, evaluate, and manage a broad spectrum of workplace hazards that compromise employee health and safety. These hazards can include common chemical exposures such as silica dust, volatile organic compounds (VOCs), and lead. Physical hazards such as noise, heat stress, and radiation, as well as biological contaminants like Legionella and mold present significant occupational exposure concerns. Ergonomic stressors that cause repetitive strain and musculoskeletal harm are also often addressed by industrial hygiene professionals. A combination of these hazards occur throughout a multitude of industries. In manufacturing, employees may be exposed to silica and chemical solvents. In construction, asbestos and noise often present a significant concern. Healthcare workers may routinely encounter bloodborne pathogens, while food processing workers face potential chemical exposure risks. RHP assesses all of these hazards across diverse industries and develops actionable risk mitigation strategies tailored to the specific operations and needs of each client.
The Hierarchy of Controls: How Industrial Hygienists Solve Problems
The hierarchy of controls provides a framework for selecting hazard control methods based on their overall effectiveness, ranging from elimination and substitution to engineering controls, administrative controls, and personal protective equipment (PPE). These controls must be applied on a case-by-case basis, since workplace hazards, operational demands, and exposure risks differ across industries and tasks. In some situations, elimination or substitution may be feasible, while in others engineering controls such as ventilation, administrative measures like training and job rotation, or PPE may be more practical or necessary. Because no single approach is universally effective, organizations should evaluate each hazard individually and implement the combination of controls that best reduces exposure while maintaining safe and efficient operations.
Industrial Hygiene vs. Other Safety Disciplines
When comparing an industrial hygienist vs safety professionals, the difference comes down to focus. Safety professionals are more concerned with preventing incidents such as slips, falls, and other workplace accidents, while occupational health nurses provide medical treatment and support. Industrial hygienist are primarily focused on environmental hazards and exposures in the workplace. The Certified Industrial Hygienist (CIH) credential requires qualifying education, professional experience, and a certification exam, while the Certified Safety Professional (CSP) has a broader scope of practice. Professionals with these credentials are trained to handle occupational health and safety concerns across multiple disciplines. RHP’s team includes both CIHs and CSPs, providing comprehensive support for your organization’s compliance needs.
Is Industrial Hygiene Only for Large Manufacturers?
Every organization with employees benefits from industrial hygiene expertise, regardless of size. Small business workplace safety is especially important because smaller organizations often face higher injury rates when limited resources make it difficult to identify and control hazardous exposures. Consultants provide a cost-effective way to manage industrial hygiene costs through targeted assessments and compliance guidance. The consulting ROI stems from reduced incidents, lower insurance premiums, higher productivity, and better employee protection. RHP works with businesses of all sizes, from startups to large facilities, to strengthen safety programs and reduce risk.
Learn how industrial hygiene services can strengthen your workplace safety program. Schedule a consultation with RHP Risk Management’s team of CIHs to see how we can help foster a safer, healthier, and more compliant work environment for your employees. Contact Us.