Foundations of Employee Health, Safety, and Sanitation

Introduction and Context

Employee health, safety, and sanitation constitute an integrated field concerned with protecting people from work-related injury, illness, infection, discomfort, and loss of well-being. For human resource professionals, the subject is not limited to regulatory compliance or emergency response. It concerns how work is designed, how risks are governed, how employees participate in decisions, and how organizational systems influence health outcomes.

Occupational safety traditionally focused on preventing traumatic incidents such as falls, machinery injuries, fires, and explosions. Occupational health expanded this concern to include diseases and disorders caused or aggravated by work, including chemical exposure, occupational hearing loss, respiratory disease, musculoskeletal disorders, fatigue, and work-related stress. Industrial hygiene provides the scientific basis for anticipating, recognizing, evaluating, and controlling workplace hazards. Sanitation addresses conditions that support health, including water quality, toilets, washing facilities, food hygiene, waste management, cleaning, and infection control. Employee well-being is broader still: it includes physical, psychological, social, and sometimes financial conditions that enable people to function sustainably at work.

These domains overlap but are not interchangeable. A workplace may have excellent injury statistics while employees experience excessive fatigue, harassment, poor indoor air quality, or chronic stress. Conversely, an attractive well-being program cannot compensate for unguarded machinery or unsafe chemical storage. Effective management therefore requires a systems perspective.

Learning Objectives

By the end of this chapter, students should be able to:

1. Describe the historical development of occupational health, safety, hygiene, and sanitation.
2. Distinguish major concepts and terminology used in the field.
3. Explain the disciplines and professional roles that contribute to workplace protection.
4. Identify the principal stakeholders and their responsibilities.
5. Apply the hierarchy of controls to a basic workplace problem.
6. Explain the business, ethical, legal, and strategic rationale for managing employee health and safety.
7. Critically evaluate the limits of injury statistics and wellness initiatives as measures of organizational health.

Historical Development

Early origins

Concern for work-related health is ancient. Classical medical writers described illnesses associated with mining, metallurgy, and particular occupations. In the sixteenth century, Georgius Agricola documented mining hazards, while Bernardino Ramazzini’s De Morbis Artificum Diatriba (1700) systematically connected diseases with occupations. Ramazzini’s practice of asking patients about their work helped establish occupational history as a core element of medical assessment.

The Industrial Revolution intensified workplace hazards. Mechanized production, crowded factories, long working hours, child labor, dust, toxic substances, and inadequate ventilation produced severe injuries and disease. Early factory legislation in Britain and elsewhere introduced limits on child labor, inspection systems, machine guarding, and basic sanitary requirements. These reforms reflected both humanitarian concern and growing recognition that unregulated working conditions imposed social costs.

Scientific and regulatory development

During the nineteenth and early twentieth centuries, occupational medicine, engineering, epidemiology, and public health became more systematic. Researchers investigated occupational poisoning, infectious disease, industrial dusts, and accident causation. Governments developed labor inspectorates, workers’ compensation systems, and enforceable standards. Professional associations established specialized knowledge and ethical expectations.

The twentieth century brought major advances in toxicology, exposure measurement, ergonomics, safety engineering, industrial ventilation, occupational epidemiology, and environmental health. International institutions, including the International Labour Organization, promoted the principle that workers should be protected from hazards and that decent work is a social objective. National regulatory systems differ, but most address hazard communication, personal protective equipment, emergency planning, machine safety, sanitation, chemical exposure, and employer duties of care.

Contemporary development

Modern practice has moved from a narrow accident-prevention model toward integrated occupational safety and health management. The contemporary agenda includes psychosocial risks, remote and hybrid work, aging workforces, disability inclusion, infectious disease preparedness, climate-related heat exposure, artificial intelligence, contractor management, and supply-chain responsibility.

A further shift is from reactive measurement to prevention and resilience. Reactive indicators—such as reported injuries—remain important, but they are insufficient because serious hazards may exist without producing a recorded event. Organizations increasingly monitor leading indicators such as hazard corrections, training quality, worker participation, preventive maintenance, exposure assessments, and the timeliness of corrective action.

Scope of the Field

The scope of employee health, safety, and sanitation can be understood through five connected questions:

1. What can cause harm? Hazards may be physical, chemical, biological, ergonomic, psychosocial, organizational, or environmental.
2. Who may be exposed? Employees, contractors, visitors, customers, temporary workers, and members of the public may be affected.
3. How may harm occur? Harm can result from exposure, unsafe acts, unsafe conditions, poor design, inadequate supervision, organizational pressure, or combinations of these.
4. How severe and likely is the harm? Risk assessment considers both potential consequence and likelihood, although precise numerical estimates are not always possible.
5. How can risk be prevented or controlled? Controls should prioritize elimination and reliable design rather than relying primarily on individual behavior.

Major hazard categories

The categories are analytical aids, not separate realities. For example, a hospital employee may face biological exposure, awkward lifting, violence, shift-work fatigue, and emotional strain simultaneously. Risk management must therefore examine interactions among hazards.

Core Terminology

Occupational health is the promotion and protection of workers’ physical and mental health, including prevention of work-related disease and support for safe work participation.

Occupational safety concerns the prevention of injury, death, and acute harm arising from work processes, equipment, environments, and organizational decisions.

Occupational hygiene, often called industrial hygiene, is the science and practice of anticipating, recognizing, evaluating, and controlling workplace conditions that may cause illness, impaired health, or significant discomfort.

Sanitation refers to systems and practices that maintain hygienic conditions, including potable water, toilets, handwashing, waste disposal, food safety, cleaning, and control of contamination.

A hazard is a source or situation with the potential to cause harm. Risk is the combination of the likelihood that harm will occur and the severity of that harm. A hazard exists even when exposure is absent; risk depends on the circumstances of exposure and the effectiveness of controls.

An incident is an unwanted event or occurrence that resulted in, or could have resulted in, injury, illness, damage, or other loss. A near miss is an incident in which harm did not occur but could reasonably have occurred. A recordable injury is an injury or illness that meets the recording criteria of the applicable jurisdiction or organizational system; it is not synonymous with every injury.

An exposure occurs when a person comes into contact with a hazard. Dose refers to the amount of an agent received by the body over a specified period. Risk assessment is the systematic process of identifying hazards, evaluating risk, and determining controls. Residual risk is the risk remaining after controls are implemented.

Well-being is a multidimensional state involving health, functioning, psychological experience, social connection, and the ability to sustain meaningful participation. It should not be reduced to employee happiness or participation in voluntary wellness activities.

Theoretical and Management Frameworks

The hierarchy of controls

The hierarchy of controls is a foundational framework for selecting risk controls. From generally most reliable to least reliable, it consists of:

1. Elimination: remove the hazard entirely.
2. Substitution: replace the hazard with a less hazardous alternative.
3. Engineering controls: isolate people from the hazard through design, guarding, enclosure, ventilation, or automation.
4. Administrative controls: change procedures, scheduling, training, supervision, or signs.
5. Personal protective equipment (PPE): place protective equipment on the worker.

The hierarchy does not mean that lower-level controls are never used. Effective programs commonly use several controls. However, administrative controls and PPE depend heavily on consistent human behavior and may be less reliable than eliminating or engineering out a hazard.

The systems approach

A systems approach views harm as an outcome of interactions among people, technology, tasks, environment, and management. It rejects the assumption that an injured worker is automatically the sole cause of an incident. Questions include:

• Was the task designed safely?
• Were staffing, time, tools, and competence adequate?
• Did production incentives conflict with safety expectations?
• Were hazards reported and corrected?
• Did procurement, maintenance, or contractor decisions create exposure?
• Did management learn from previous warnings?

This approach supports root-cause analysis, but “root cause” should not be treated as a single hidden explanation. Incidents usually have multiple contributing conditions, and analysis should identify practical system improvements rather than merely assign blame.

The prevention cycle

A mature management cycle is continuous:

Policy and objectives → hazard identification → risk assessment → controls → training and communication → monitoring → review and improvement.

This cycle resembles the plan–do–check–act logic used in occupational health and safety management systems. It creates accountability while recognizing that workplace conditions change as technology, staffing, materials, and work organization change.

Leading and lagging indicators

Lagging indicators measure outcomes after harm has occurred, such as lost-time injuries, occupational disease claims, or absenteeism. Leading indicators measure preventive capacity, such as the proportion of corrective actions closed on time, the quality of safety inspections, worker participation, exposure monitoring, and preventive maintenance completion.

Neither type is sufficient alone. A low injury rate may reflect effective controls, underreporting, low exposure, or inadequate case recognition. Indicators must therefore be interpreted with qualitative evidence and attention to reporting culture.

The Disciplines That Contribute

Occupational health and safety is interdisciplinary.

• Occupational medicine diagnoses and manages work-related disease, evaluates fitness for work, and supports prevention while protecting medical confidentiality.
• Occupational nursing provides health assessment, health education, case management, emergency response, and surveillance.
• Industrial hygiene evaluates exposures to chemical, physical, and biological agents through sampling, interpretation, and control design.
• Safety engineering applies engineering principles to machinery, process safety, fire protection, electrical systems, and failure prevention.
• Ergonomics and human factors examine the fit between people, tasks, tools, information, and environments.
• Epidemiology studies patterns and causes of disease and injury in populations.
• Psychology and organizational behavior address stress, violence, leadership, safety climate, motivation, and human performance.
• Public health and environmental health connect workplace conditions with community health, infectious disease, waste, water, and environmental exposures.
• Human resource management integrates policy, staffing, training, employee relations, accommodation, performance systems, and culture.
• Labor and employment law defines duties, rights, consultation, privacy, compensation, and enforcement.

The HR professional does not replace technical specialists. Rather, HR creates organizational infrastructure: assigning responsibility, aligning incentives, embedding safety in workforce processes, protecting non-retaliation, and ensuring that health information is handled lawfully.

Stakeholders and Governance

The primary stakeholders are employees, employers, managers, supervisors, health and safety professionals, worker representatives, regulators, contractors, suppliers, insurers, healthcare providers, families, communities, and investors. Their interests may align, but they may also conflict. Production pressure, cost reduction, and speed can compete with prevention unless governance explicitly treats safety as a non-negotiable organizational value.

Employer responsibilities

Although legal requirements vary, employers generally have responsibilities to identify hazards, provide safe systems of work, train and inform employees, maintain equipment, provide appropriate protective measures, investigate incidents, consult workers, and avoid retaliation. These duties cannot be transferred simply by appointing a safety officer or outsourcing work.

Manager and supervisor responsibilities

Managers allocate resources and establish priorities. Supervisors translate policies into daily practice. They must recognize hazards, enforce controls consistently, respond to reports, and model safe behavior. A supervisor who rewards speed while verbally supporting safety communicates a contradictory norm.

Employee responsibilities and rights

Employees have responsibilities to follow reasonable procedures, use controls, report hazards, cooperate with investigations, and avoid endangering others. They also have rights to information, training, consultation, appropriate protection, and—subject to applicable law—refusal or removal from imminent danger. Participation is most credible when employees can raise concerns without retaliation.

Governance principles

Strong governance includes clear accountability, competent advice, worker consultation, documented decisions, independent review, transparent reporting, and escalation mechanisms. Health information requires special protection. Employers should collect only information necessary for a legitimate purpose, restrict access, separate medical details from ordinary personnel files where required, and use aggregated data whenever possible.

The Business and Strategic Rationale

The moral rationale is primary: people should not be harmed by earning a living. Legal compliance is also essential, but compliance alone is an inadequate objective because law may establish minimum requirements and enforcement may be imperfect.

The business rationale has several dimensions:

• Direct cost reduction: fewer injuries, illnesses, disruptions, compensation claims, investigations, and property losses.
• Productivity and quality: well-designed work reduces fatigue, errors, rework, and unplanned absence.
• Continuity and resilience: effective emergency and health controls reduce operational interruption.
• Talent and reputation: employees and applicants assess whether an organization is trustworthy and responsible.
• Risk governance: boards and senior leaders face legal, financial, and reputational consequences when foreseeable risks are ignored.
• Innovation: safer design can improve automation, process reliability, accessibility, and user experience.

The business case must be used carefully. It is ethically problematic to imply that protection is justified only when it produces financial returns. Some protections are required because human dignity and rights are not commodities. Moreover, financial estimates can be uncertain and may undervalue pain, disability, family impacts, and social harm.

A basic economic model can illustrate cost categories without pretending to measure the full value of prevention:

Direct cost may include medical treatment, compensation, repair, and legal expenses. Indirect cost may include investigation time, replacement labor, lost production, training, reduced morale, and reputational effects. The categories overlap and their measurement depends on accounting conventions; the expression is a classification identity, not a universal prediction of actual cost.

Applying Risk Assessment

A practical assessment begins by defining the task and identifying people who may be exposed, including vulnerable groups and non-routine workers. The assessor then identifies hazards, examines existing controls, evaluates risk, selects additional controls using the hierarchy, assigns responsibility, and verifies effectiveness.

Qualitative risk matrices are commonly used, but they should not create false precision. A matrix may classify risk using categories such as low, moderate, high, and critical. The categories are decision aids, not scientific measurements. They work best when definitions are explicit and when high-consequence hazards receive attention even if their likelihood is difficult to estimate.

For example, a warehouse employee repeatedly lifts heavy cartons from floor level to a conveyor. Possible hazards include excessive force, twisting, collision with equipment, and fatigue. A weak response would provide a lifting poster and remind employees to “be careful.” A stronger response would first redesign carton size and storage height, introduce mechanical lift assistance, adjust conveyor layout, reduce unnecessary handling, provide task-specific training, and use PPE only as a supplementary measure.

Sanitation and Infection Prevention

Sanitation is a core employment condition rather than a housekeeping afterthought. Minimum provisions typically include safe drinking water, sufficient toilets, handwashing facilities, soap or an effective cleansing agent, hygienic food areas where relevant, waste disposal, adequate ventilation, and cleaning arrangements. Requirements vary by jurisdiction and sector, but the management principle is universal: sanitation systems must be accessible, maintained, monitored, and designed for actual patterns of use.

Infection prevention combines source control, environmental controls, administrative measures, and personal protection. Examples include staying home when infectious, improving ventilation, cleaning high-touch surfaces when appropriate, hand hygiene, vaccination programs where suitable, isolation procedures, and clear communication. Organizations should avoid stigmatizing illness and should design policies that do not force employees to choose between health protection and loss of income.

Well-Being, Psychosocial Risk, and Work Design

Employee well-being is influenced by workload, autonomy, relationships, fairness, meaningfulness, security, recovery time, and physical conditions. Psychosocial hazards are not simply personal weaknesses. They may arise from understaffing, unpredictable schedules, low control, role conflict, violence, discrimination, bullying, insecure work, or constant digital availability.

Individual resilience programs can provide useful support, but they cannot substitute for organizational prevention. If excessive workload is the cause of stress, meditation training alone is a weak intervention. Effective approaches examine job design, staffing, managerial behavior, participation, conflict resolution, workload allocation, and the accessibility of confidential support.

Remote and hybrid work create both benefits and risks. Reduced commuting may improve well-being, while isolation, blurred working time, inadequate workstations, domestic interruptions, and extended screen use may create new problems. Employers should provide clear expectations, ergonomic guidance, reasonable communication norms, and mechanisms for reporting concerns.

Technology and Artificial Intelligence

Digital tools can support hazard reporting, exposure tracking, maintenance scheduling, ergonomic assessment, training, and emergency communication. Sensors may identify noise, temperature, air quality, or equipment conditions. Predictive analytics may identify patterns associated with incidents.

However, technology introduces governance risks. Surveillance can undermine trust, sensitive health data can be misused, algorithms can reproduce bias, and automated alerts can create false reassurance. AI systems should therefore be treated as decision-support tools rather than replacements for professional judgment and worker consultation. Organizations should document the purpose of data collection, validate models, protect privacy, test for disparate impacts, and retain human accountability for decisions.

Illustrative Case: Northstar Foods Distribution Centre

Background

Northstar Foods operates a regional distribution centre employing 240 workers across two shifts. The company records few lost-time injuries but has high short-term absence, frequent near misses involving pallet trucks, employee complaints about heat, and repeated reports of inadequate handwashing supplies in a seasonal packing area.

Problem

Senior management initially concludes that the safety program is successful because the injury rate is low. HR notices, however, that temporary employees receive abbreviated induction, supervisors emphasize shipment targets, and near misses are not consistently investigated. Workers also report that breaks are difficult to take during demand peaks.

Analysis

A cross-functional team involving HR, operations, maintenance, occupational health, and worker representatives maps the work process. It identifies several interacting conditions: congested traffic routes, insufficient separation between pedestrians and pallet trucks, heat accumulation near packing equipment, inadequate staffing during peaks, inconsistent replenishment of soap, and a reporting system that employees view as punitive.

The team distinguishes outcomes from risk. The low injury count does not demonstrate low hazard. It may partly reflect underreporting and the fact that a serious collision has not yet occurred.

Approach and solution

Northstar adopts a hierarchy-based plan:

1. Redesigns traffic routes and installs physical pedestrian barriers.
2. Repositions packing equipment and improves ventilation.
3. Introduces mechanical aids and adjusts carton presentation height.
4. Revises staffing and break coverage during peak periods.
5. Standardizes induction for permanent and temporary employees.
6. Assigns daily sanitation checks with named accountability.
7. Establishes a confidential, non-retaliatory near-miss process.
8. Reviews trends monthly with worker representatives and senior management.

Outcome

After six months, documented near-miss reports increase initially, which management interprets as improved reporting rather than immediate deterioration. Corrective-action completion improves, soap shortages decline, and workers report greater confidence in raising concerns. The organization does not claim success solely from the absence of injuries; it evaluates whether hazards were reduced and whether the management system became more reliable.

Learning points

The case illustrates that safety performance cannot be inferred from one lagging indicator. It also demonstrates the role of HR in integrating temporary-worker induction, staffing, reporting culture, consultation, sanitation accountability, and performance review. Most importantly, the controls address work design and environment rather than relying mainly on employee caution.

Challenges and Limitations

Several challenges complicate professional practice. First, occupational disease may have long latency periods, making causal attribution difficult. Second, injury and illness data are affected by reporting behavior, access to healthcare, employment status, and organizational culture. Third, global supply chains create fragmented accountability, especially where contractors or informal workers are involved. Fourth, standards may differ across jurisdictions, creating ethical questions about whether an organization should apply only local legal minimums or a consistent higher standard.

Fifth, risk assessment can become a paperwork exercise. A completed form is not evidence that controls work. Verification requires observation, exposure measurement where appropriate, employee feedback, maintenance records, and review after change. Sixth, safety initiatives can unintentionally blame individuals, especially when organizations focus on “unsafe acts” while ignoring workload, design, or incentives.

Finally, well-being language can be appropriated for reputation management. Genuine well-being requires attention to working conditions, dignity, equity, and participation—not merely apps, motivational campaigns, or occasional wellness events.

Best-Practice Principles for HR Professionals

1. Treat health, safety, sanitation, and well-being as core work-design responsibilities.
2. Make senior leaders visibly accountable and provide adequate resources.
3. Involve workers and representatives in hazard identification and solution design.
4. Use the hierarchy of controls before relying on training or PPE.
5. Integrate safety into recruitment, induction, scheduling, performance management, procurement, and contractor governance.
6. Combine leading and lagging indicators and interpret them cautiously.
7. Protect confidentiality and prohibit retaliation for reporting concerns.
8. Include psychosocial hazards, disability, equality, climate, and infectious disease in risk assessments.
9. Investigate systems and conditions, not only individual behavior.
10. Review controls after incidents, organizational changes, new technology, and changes in law.

Chapter Summary

Employee health, safety, and sanitation form an integrated, interdisciplinary field concerned with preventing injury and disease, maintaining hygienic conditions, and enabling sustainable and dignified work. The field developed from early occupational observations through industrial regulation and modern systems-based management. Its scope includes physical, chemical, biological, ergonomic, psychosocial, environmental, and organizational hazards.

Key distinctions matter: a hazard is a potential source of harm; risk concerns likelihood and severity; occupational hygiene evaluates exposures; sanitation maintains hygienic conditions; and well-being extends beyond the absence of injury. The hierarchy of controls prioritizes elimination, substitution, engineering, administrative controls, and PPE. Effective governance distributes responsibilities among employers, managers, workers, professionals, regulators, and other stakeholders while protecting participation and confidentiality.

For HR professionals, the subject is strategically important because work design, staffing, training, incentives, reporting culture, accommodation, and employee relations directly influence health outcomes. Yet the business case must not replace the ethical obligation to protect human dignity. Strong practice combines prevention, worker participation, reliable data, professional expertise, continuous improvement, and critical evaluation of both technology and organizational culture.

Key Terms

Occupational health: Protection and promotion of workers’ physical and mental health.

Occupational safety: Prevention of acute injury, death, and immediate harm at work.

Occupational hygiene: Anticipation, recognition, evaluation, and control of workplace exposures.

Sanitation: Maintenance of hygienic conditions through water, toilets, washing, cleaning, and waste systems.

Hazard: A source or situation with the potential to cause harm.

Risk: The likelihood and severity of harm associated with a hazard.

Exposure: Contact between a person and a hazard.

Incident: An unwanted event that causes or could cause harm or loss.

Near miss: An incident in which harm could have occurred but did not.

Risk assessment: Systematic identification, evaluation, and control of risks.

Residual risk: Risk remaining after controls are applied.

Hierarchy of controls: Framework ranking control methods from elimination to PPE.

Engineering control: A design feature that isolates people from hazards.

Administrative control: A change in procedures, scheduling, training, or supervision.

Personal protective equipment: Equipment worn or used to reduce exposure.

Psychosocial hazard: A work-related condition that may harm psychological or social health.

Leading indicator: A measure of preventive activity or system capacity.

Lagging indicator: A measure of harm or loss that has already occurred.

Safety culture: Shared values, practices, and expectations concerning safety.

Well-being: A multidimensional condition supporting health, functioning, and sustainable participation.

Review Questions

Short Answer Questions

1. Distinguish between a hazard and a risk.
2. What is the purpose of occupational hygiene?
3. List the five levels of the hierarchy of controls.
4. Why are injury statistics alone insufficient for evaluating safety performance?
5. Identify three sanitation provisions that support employee health.

Long Answer Questions

1. Trace the historical development of occupational health and safety from early occupational medicine to contemporary systems-based management.
2. Explain how HR professionals contribute to occupational health and safety without replacing technical specialists.
3. Compare leading and lagging indicators, including the strengths and limitations of each.
4. Discuss why psychosocial risks should be addressed through work design and organizational measures as well as individual support.
5. Evaluate the ethical and business rationales for investing in employee health, safety, and sanitation.

Analytical / Application Questions

1. A manufacturing plant has frequent minor hand injuries despite extensive PPE training. Apply the hierarchy of controls to recommend a stronger intervention strategy.
2. A company reports zero lost-time injuries but has high turnover, fatigue complaints, and few hazard reports. Analyze at least four possible explanations and propose an evaluation plan.
3. An organization wants to use AI to predict which employees are most likely to experience stress-related absence. Assess the potential benefits, privacy risks, bias risks, and governance safeguards required before implementation.

Multiple Choice Questions with Answers

Question 1

Which statement best distinguishes a hazard from a risk?

A. A hazard is a source of potential harm, while risk considers the likelihood and severity of harm.

B. A hazard is always more serious than a risk.

C. Risk exists only after an injury has occurred.

D. A hazard is a recorded injury, while risk is a near miss.

Correct Answer: A. A hazard is a source of potential harm, while risk considers the likelihood and severity of harm.

Question 2

Which control is generally highest in the hierarchy of controls?

A. Personal protective equipment

B. Administrative training

C. Elimination

D. Warning signage

Correct Answer: C. Elimination

Question 3

What is the primary focus of occupational hygiene?

A. Negotiating employee salaries

B. Evaluating and controlling workplace exposures that may cause illness

C. Preparing annual financial statements

D. Designing employee social events

Correct Answer: B. Evaluating and controlling workplace exposures that may cause illness

Question 4

Which is a leading indicator of safety performance?

A. Number of occupational injuries last year

B. Number of compensation claims

C. Number of corrective actions completed on time

D. Number of fatalities

Correct Answer: C. Number of corrective actions completed on time

Question 5

Which example most directly represents sanitation?

A. Installing a machine guard

B. Providing accessible toilets, soap, and potable water

C. Conducting a performance appraisal

D. Increasing sales commissions

Correct Answer: B. Providing accessible toilets, soap, and potable water

Question 6

Why should organizations avoid relying only on low injury rates to judge safety?

A. Injury rates are never legally relevant.

B. Low rates may reflect underreporting or limited exposure rather than effective controls.

C. Injury rates measure only employee satisfaction.

D. Low injury rates prove that all hazards have been eliminated.

Correct Answer: B. Low rates may reflect underreporting or limited exposure rather than effective controls.

Question 7

Which discipline primarily examines the fit between people, tasks, tools, and environments?

A. Ergonomics and human factors

B. Accounting

C. Marketing

D. Industrial relations law

Correct Answer: A. Ergonomics and human factors

Question 8

A warehouse replaces a hazardous solvent with a less hazardous solvent. Which control has been applied?

A. Elimination

B. Substitution

C. Administrative control

D. PPE

Correct Answer: B. Substitution

Question 9

Which approach best addresses excessive workload as a psychosocial hazard?

A. Providing only motivational posters

B. Telling employees to become more resilient

C. Reviewing staffing, workload, autonomy, and work organization

D. Removing all employee feedback mechanisms

Correct Answer: C. Reviewing staffing, workload, autonomy, and work organization

Question 10

Why must AI-based health and safety tools retain human accountability?

A. Algorithms cannot process any workplace information.

B. Automated systems may produce bias, privacy harms, or misleading predictions.

C. Human accountability prevents all workplace incidents.

D. AI tools are always illegal in occupational safety.

Correct Answer: B. Automated systems may produce bias, privacy harms, or misleading predictions.