Respiratory Protection: What OEHS Professionals Need to Know About Proposed Federal Changes

Proposed OSHA revisions seek to eliminate pre-use medical evaluations for N95s and loose-fitting PAPRs to streamline employer compliance.

• By Bernard Fontaine
• Aug 17, 2026

Abstract

Respiratory protection remains one of the most important components of occupational and environmental health and safety (OEHS) programs when engineering and administrative controls cannot adequately reduce worker exposures. OSHA's Respiratory Protection Standard (29 CFR 1910.134) has served as the foundation for employer respiratory protection programs for more than 25 years. During the current federal regulatory review process, OSHA has proposed revisions affecting portions of respiratory protection requirements, particularly medical assessments for users of filtering facepiece respirators (FFRs) and loose-fitting powered air-purifying respirators (PAPRs), as well as updates to several substance-specific standards.

These proposals are intended to reduce administrative burden and harmonize older standards with the general respiratory protection rule. At the same time, OEHS professionals have raised questions and concerns about the potential effects on worker health, medical surveillance, and program implementation. This article reviews the proposed changes, explains their technical basis, and discusses practical consequences for OEHS professionals responsible for protecting workers from airborne contaminants.

Introduction

Respiratory protection is the final line of defense in the hierarchy of controls. OEHS professionals first seek to eliminate hazards, substitute less hazardous materials, implement engineering controls, and improve work practices before selecting respirators. When these measures cannot adequately control airborne exposures, respirators are necessary to prevent occupational illness and disease.

The value of effective respiratory protection has been demonstrated repeatedly—from asbestos removal and silica-generating construction activities to healthcare responses during the COVID-19 pandemic. A well-designed respiratory protection program includes hazard assessment, respirator selection, medical evaluation, fit testing where required, training, maintenance, and periodic program evaluation (OSHA, 29 CFR 1910.134). Recent federal proposals have prompted questions about whether some elements of these programs can be streamlined without jeopardizing worker protections.

Background

OSHA's Respiratory Protection Standard requires employers to develop written respiratory protection programs whenever respirators are necessary to protect worker health. The standard addresses:

• Exposure assessment
• Respirator selection
• Medical evaluation
• Fit testing
• User seal checks
• Maintenance
• Cleaning and storage
• Training
• Program evaluation

Since its adoption in 1998, the standard has been recognized internationally as one of the most comprehensive respiratory protection regulations. Numerous OSHA substance-specific standards—including those covering asbestos, benzene, formaldehyde, lead, cadmium, hexavalent chromium, inorganic arsenic, and others—contain respiratory protection provisions that either supplement or reference 29 CFR 1910.134.

Proposed Federal Changes

One of OSHA's most widely discussed proposals would eliminate mandatory pre-use medical examinations for workers wearing:

• Filtering facepiece respirators (e.g., N95 respirators)
• Loose-fitting powered air-purifying respirators (PAPRs)

The proposal does not eliminate medical assessments for employees using:

• Tight-fitting half-mask respirators
• Full-facepiece respirators
• Supplied-air respirators
• Self-contained breathing apparatus (SCBA)

OSHA has indicated that filtering facepiece respirators and loose-fitting PAPRs generally impose relatively low physiological burden on healthy users and that existing evidence does not support mandatory clinical examinations for every worker using these devices.

Why Did OSHA Propose the Changes?

According to OSHA, the proposed revisions are intended to:

• Reduce unnecessary regulatory burden
• Eliminate requirements considered unsupported by current scientific evidence
• Simplify employer compliance
• Harmonize older substance-specific standards with the general OSHA Respiratory Protection Standard
• Reduce administrative costs for employers

These proposals form part of a broader federal effort to review existing regulations for efficiency while maintaining worker protection.

Possible Benefits

Supporters of the proposed revisions suggest several possible advantages.

• Reduce Administrative Burden: Health examinations require scheduling, physician review, documentation, and recordkeeping. Eliminating mandatory evaluations for certain respirator users could reduce costs and expedite respirator deployment.
• Improve Program Flexibility: Large employers with thousands of workers who occasionally use N95 respirators can implement respiratory protection programs more efficiently.
• Faster Emergency Response: During disease outbreaks, wildfires, or emergency response operations, eliminating unnecessary administrative delays could facilitate more rapid respirator distribution.

Possible Issues

OEHS and occupational medicine professionals have identified several areas that justify careful consideration.

• Undiagnosed Medical Conditions: Health examinations occasionally identify workers with previously undiagnosed or underlying medical conditions, such as severe asthma, chronic obstructive pulmonary disease, cardiovascular disease, claustrophobia, and other conditions affecting respirator use. Although filtering facepiece respirators generally create less breathing resistance than elastomeric respirators, some individuals may still experience physiological or psychological difficulties. OEHS professionals should seek a medical opinion on whether workers should use any respirator.
• Reduced Occupational Health Screening: Medical questionnaires often provide an opportunity to identify broader occupational health concerns beyond respirator tolerance. Removing this requirement could deprive people of opportunities for early intervention or stop adverse health outcomes while wearing a respirator.
• Program Consistency: Medical assessments help ensure consistent implementation across employers. Without regulatory requirements or medical practitioner advice, practices may become more variable and uncertain, especially if production, assigned work tasks, exposure levels, environmental conditions, or personnel change.

Effects on High-Hazard Industries

The proposed changes are unlikely to affect respirator selection for many high-risk operations because substance-specific OSHA standards and exposure assessments remain applicable.

Table 1. OSHA Standards Requiring Respiratory Protection

For workers using tight-fitting respirators, medical examinations and fit testing would continue under the proposal.

Selection and Use Considerations

OEHS professionals should continue emphasizing:

• Exposure Risk Assessment: Respirators should never be used as a substitute for adequate exposure characterization. Comprehensive sampling remains necessary to evaluate worker health during both routine and nonroutine work schedules. The exposure risk assessment should evaluate all potential job functions and work tasks, both routine and nonroutine. It should be repeated whenever production, assigned work tasks, occupational exposure levels, environmental conditions, or personnel changes occur.
• Engineering Controls: Engineering controls remain OSHA's preferred method for reducing exposure. Examples include: local exhaust mechanical ventilation, process enclosure, wet methods, and automation. Engineering controls should be evaluated for performance based on the design specification and production schedule.
• Appropriate Respirator Selection: Selection should continue to consider the assigned Protection Factor (APF), known exposure concentration for use, chemical, radiological, and biological properties, oxygen concentration, and Immediately Dangerous to Life or Health (IDLH) conditions during emergency response or self-rescue. When the exposure cannot be evaluated, the OEHS professional should consider control banding options.
• Worker Training: Training remains of critical importance regardless of medical evaluation requirements. Workers should understand the proper donning procedures, restrictions in selection and use, user seal checks, storage, maintenance, and recognition of respirator malfunction. Training should be repeated whenever workers fail to follow the written standard operating procedures, or there is a need to change the level of respiratory protection based on the outcome of an exposure risk assessment.

Case Study: Silica Exposure During Concrete Cutting

A contractor performing indoor concrete cutting required workers to wear N95 respirators while local exhaust ventilation was installed. An OEHS professional determined that measured respirable crystalline silica concentrations exceeded OSHA's permissible exposure limit. Because measured exposures remained above the acceptable level, engineering controls were upgraded, and workers transitioned to elastomeric half-mask respirators with P100 filters. This example illustrates that respirator selection should always be based on measured exposure and hazard assessment—not solely on regulatory minimum requirements.

Potential Effects on Healthcare Workers

Healthcare workers routinely rely on respiratory protection to prevent occupational exposure to airborne infectious agents and hazardous pharmaceuticals. During the COVID-19 pandemic, the use of N95 filtering facepiece respirators (FFRs) and powered air-purifying respirators (PAPRs) became widespread among physicians, nurses, respiratory therapists, emergency medical technicians (EMTs), laboratory personnel, environmental services staff, and other frontline personnel caring for patients with suspected or confirmed airborne infectious diseases. Recognizing their vital role during this crisis can help healthcare professionals feel appreciated and motivated to preserve high standards in respiratory protection.

Healthcare workers may require respiratory protection when caring for patients or working in areas of the country with suspected or confirmed airborne infectious diseases, including:

• Tuberculosis (TB) (Mycobacterium tuberculosis)
• Coronavirus disease 2019 (COVID-19) caused by SARS-CoV-2, particularly during aerosol-generating procedures
• Measles (rubeola)
• Varicella (chickenpox)
• Disseminated herpes zoster (shingles)
• Novel influenza viruses with pandemic potential
• Emerging worldwide respiratory pathogens, depending on public health guidance

Looking Forward

The proposed revisions highlight the difficulty of balancing worker protection with efficient regulatory implementation. Regardless of the final rulemaking, OEHS professionals should continue to:

• Prioritize elimination and engineering controls.
• Conduct quantitative exposure assessments.
• Select respirators based on measured risk.
• Sustain comprehensive respiratory protection programs.
• Incorporate occupational medicine expertise when appropriate.

Evidence-based professional judgment is fundamental for protecting workers' health throughout diverse occupational settings.

The COVID-19 pandemic underscored the importance of sustaining strong respiratory protection programs in healthcare settings. Facilities with established respirator programs, trained staff, and adequate supplies generally adapted more effectively to rapidly changing guidance and rising demand for respiratory protection. Conversely, organizations with limited respiratory protection infrastructure faced greater challenges with respirator shortages, fit testing, training, and employee confidence. These experiences highlight the value of institutional expertise in respiratory protection even as regulatory requirements evolve.

Conclusions

The proposed federal revisions to respiratory protection requirements represent an evolution in OSHA's approach to program administration rather than a wholesale change in respiratory protection philosophy. The proposals would primarily affect medical evaluation requirements for certain lower-burden respirators and harmonize older substance-specific standards with the general Respiratory Protection Standard.

If finalized, these OSHA changes may reduce employers' administrative burden while sustaining core requirements for respirator selection, fit testing, training, and hazard assessment. Nevertheless, OEHS professionals should carefully evaluate whether reduced medical screening could affect vulnerable workers or diminish opportunities to identify health conditions relevant to respirator use. OEHS professionals remain responsible for applying the hierarchy of controls, conducting exposure assessments, and making certain that respiratory protection programs are customized to the specific health hazards. Regardless of regulatory changes, the objective remains unchanged: preventing occupational respiratory disease through sound science, effective risk management, and evidence-based professional practice.