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Starting a Respiratory Protection Program

Quick Tips #195
Introduction

The Occupational Safety and Health Administration (OSHA) requires employers to develop and implement a written respiratory protection program for situations in which permissible exposure limits (PELs) of airborne contaminants are exceeded, or when the employer requires the use of respirators by employees. In OSHA’s hierarchy of hazard controls, the first strategy is to implement engineering measures to control the hazard at its source. The basic concept behind engineering controls is that the work environment should be designed to eliminate hazards or reduce the exposure to hazards. The next levels of control are administrative and work practice controls. OSHA defines administrative controls as measures aimed at reducing employee exposure to hazards. Examples of administrative controls include the use of relief workers and worker rotation. Safe work practices include general workplace rules and operation-specific rules. When engineering controls are not feasible (while they are being instituted or in an emergency situation), personal protective equipment (PPE) is the last resort to controlling an employee exposure to a hazardous substance.

A respiratory protection program ensures that all employees are properly protected from respiratory hazards. According to 29 Code of Federal Regulations (CFR) 1910.134, employers must create and maintain an individualized, written respiratory program if their employees use respirators. Also, employers must choose National Institute for Occupational Safety and Health (NIOSH) certified respirators for their employees when respirators are required.

29 CFR 1910.134(c) requires employers to develop and implement a written respiratory protection program with worksite-specific procedures and elements for respirator use. A suitably trained program administrator must lead the program. OSHA considers the respirator program administrator as someone who is qualified by appropriate training or experience that meets the complexity of the program or able to oversee the respiratory protection program and conduct the required program evaluations.

Minimum respiratory requirements for all contaminants can be found in 29 CFR 1910.134 and in separate sections for specific contaminants such as CFR 1910.1001 for asbestos and CFR 1910.1025 for lead. The employer must also follow all federal, state and local respiratory protection regulations.

Starting a Respiratory Protection Program

An employer must evaluate workplace contaminants before beginning a respiratory protection program. Airborne contaminants can present a significant threat to worker safety and health. Air contaminants can take the form of harmful dusts, fogs, fumes, mists, gases, smoke, sprays and vapors. Air monitoring is used to identify and quantify airborne contaminants to determine the level of worker protection needed. Generally, industrial hygienists evaluate work-area specific exposure levels.

The following is an overview of OSHA’s 11 requirements for starting an effective respiratory protection program.

Step 1: Written respiratory protection program — An employer is required to develop and implement a written respiratory program with required worksite-specific procedures and elements for required respirator use, according to 29 CFR 1910.134(c). The written program must include a respirator-selection process; medical evaluations; fit testing; procedures for use; procedures and schedules for cleaning, disinfecting, storing, inspecting, repairing and discarding; procedures to ensure adequate air quality, quantity and flow; training in respiratory hazards; training in use limitations and maintenance; and procedures for regularly evaluating the program's effectiveness.

Voluntary use of respiratory protection means that an employee chooses to wear a respirator, even though a respirator is not required by the employer or by any OSHA standard. Employers who allow voluntary respirator use must make sure that the respirator itself does not create a hazard. The following table summarizes 20 CFR 1910.134 requirements for respirators based on the type of voluntary respiratory protection used.

  Filtering Facepiece
(Dust Mask)
Elastomeric
Negative-Pressure
Respirator
Powered Air
Purifying Respirator
Supplied Air
Respirator
Written respiratory
program
No Yes Yes Yes
Medical evaluation No Yes Yes Yes
Fit testing No No No No
Annual training No No No No
Appendix D Yes Yes Yes Yes
Clean, inspect,
maintain and store
Yes Yes Yes Yes

Step 2: Selection of respirators — An employer must evaluate respiratory hazards in the workplace before selecting a respirator. This evaluation must identify contaminants in their chemical state and physical form, and include a reasonable employee exposure-level estimate. If an employer can't identify or reasonably estimate employee exposure, the employer should consider the atmosphere to be immediately dangerous to life and health (IDLH), according to 29 CFR 1910.134(d)(i)(III).

An employer should then select respirators based on the identified hazards, and workplace and user factors that might hinder respirator performance and reliability. Respirators must be National Institute for Occupational Safety and Health (NIOSH) certified. In IDLH atmospheres, use a full facepiece, pressure-demand self-contained breathing apparatus (SCBA) with a minimum service life of 30 minutes, or a combination full facepiece, pressure-demand supplied-air respirator (SAR) with auxiliary self-contained air supply. In atmospheres that are non-IDLH, employers must use the assigned protection factors (APF) to select a respirator that meets or exceeds the required level of employee protection. For protection from gases and vapors, employers should provide an atmosphere-supplying respirator or an air-purifying respirator (APR), providing the APR has an end-of-service-life indicator or a replacement schedule based upon objective data. For protection against particulates, make sure the equipment is NIOSH certified as a high-efficiency particulate air (HEPA) filter or that an APR equipped with a filter is NIOSH certified for particulates.

Step 3: Medical evaluations — An employer must provide a medical evaluation to determine an employee's medical eligibility for respirator use. The medical evaluation must occur before an employee is fit tested or required to use the respirator in the workplace. Initial exam results or a physician or licensed healthcare professional's (PLHCP) findings might require further evaluations.

Employers should allow for confidential and convenient evaluations during normal work hours, and the PLHCP should ensure that an employee understands the exam's results. The PLHCP must note any limitations the employee might have if there is a need for follow-up exams. The PLHCP must also provide the employee with a written copy of any recommendations. If medical conditions prevent an employee from using a negative-pressure respirator, a powered air-purifying respirator (PAPR) may be appropriate.

Additional medical evaluations might be necessary if:

  • The employee reports symptoms;
  • The physician or licensed healthcare provider, supervisor or program administrator recommends them;
  • Observations or evaluations indicate that they're necessary; or
  • A change in the workplace affects the physical burden placed on the wearer.

 

Step 4: Fit testing — Employees must be fit tested with the same make, model, style and size of respirator that will be used if respirator use is required, according to 29 CFR 1910.134(f).

An employer must ensure that employees who use a tight-fitting facepiece respirator pass an appropriate qualitative fit test (QLFT) or quantitative fit test (QNFT). A QLFT may only be used to fit test negative pressure APRs that must achieve a fit factor of 100 or less. A QNFT must be used when the fit factor must be equal to or greater than 100 for half-face masks and equal to or greater than 500 for full-face masks.

Atmosphere-supplying respirators and tight-fitting PAPRs must be fit tested through quantitative or qualitative testing in negative-pressure mode, regardless of its negative or positive operation, according to 29 CFR 1910.134(f)(8). Employees then should be retested annually, when there is a change in the type of respirator used, or when there is a change in an employee's physical condition, such as an obvious change in body weight.

Step 5: Use of respirators — Employers must establish rules and procedures for respirator use. These rules must prohibit an employee from removing a mask in a hazardous environment and prevent conditions that could result in facepiece seal leaks. The rules must also ensure continued effective respirator use throughout work shifts, and establish procedures for respirator use in IDLH atmospheres and in structural firefighting situations, according to 29 CFR 1910.134(g).

Employers must not allow an employee with facial hair or any condition that limits a facepiece seal or valve function to wear a tight-fitting facepiece. If an employee wears glasses, goggles or personal protective equipment, the employer must ensure that the equipment doesn't interfere with the facepiece seal.

Employers must maintain work-area surveillance for stress and exposure. Employees should leave the respirator work area to replace parts, or to wash their face if there's a breakthrough, leak or change in the breathing resistance.

Step 6: Maintenance and care — The employer must provide for the cleaning and disinfecting, storage, inspection and repair of respirators, according to 29 CFR 1910.134(h). The cleaning and disinfecting shall be done for exclusive-use respirators as needed, for multiple-use respirators before other uses, for rescue respirators after each use, and for those used for fit testing after each use. Stored respirators should be protected from environmental damage and facepiece and exhalation-valve deformation. Emergency respirators must be accessible and clearly marked. Routine-use respirator inspections must be performed before each use and when cleaning. Emergency respirators must be inspected monthly, before and after each use, and in accordance with the manufacturer's recommendations. Escape respirators should be inspected before each use. Inspections should include all parts and a check of elastomeric parts for pliability and deterioration. Emergency respirators should include a certification of inspection, name, date, etc. Only appropriately trained employees should perform repairs or adjustments, and only NIOSH-approved parts should be used.

Step 7: Breathing air quality and use — An employer must provide employees who use atmosphere-supplying respirators (supplied air and SCBA) with high-purity breathing gases, according to 29 CFR 1910.134(i). Compressed breathing air must meet at least the Type 1, Grade D breathing-air requirements described in ANSI/Compressed Gas Association Commodity for Air, G-7.1-1989.

Step 8: Identification of filters, cartridges and canisters — According to 29 CFR 1910.134(j), an employer must ensure that all filters, cartridges and canisters used in the workplace are labeled and color-coded with NIOSH-approved labels. The employer must also ensure that the labels are not removed and remain legible.

Step 9: Training and information — The employer must provide effective training to employees who are required to wear respirators. The training must be comprehensive, understandable and reviewed annually or more often if necessary, according to 29 CFR 1910.134(k). Employees must be able to demonstrate why a respirator is necessary, consequences of improper fit, usage and maintenance. They must be aware of limitations and capabilities of the respirator. They must know how to use it in emergency situations or upon failure of the respirator. They must know how to inspect, maintain and store the respirator. They should be aware of medical signs or symptoms that would limit or prevent the use of the respirator. Retraining is required whenever there are changes in the workplace, when new types of respirators are used, if inadequacies are noticed, or employee knowledge or use indicates a need.

Step 10: Program evaluation — The employer is required to conduct evaluations of the workplace to ensure that the written respiratory protection program is properly implemented and that it continues to be effective, as stated in 29 CFR 1910.134(l). The employer shall conduct evaluations as necessary. They should regularly consult employees regarding respirator fit, selection, use and maintenance.

Step 11: Record keeping — The employer is required to establish and retain written information regarding medical evaluations, fit testing and the respirator protection program. This information will facilitate employee involvement in the respirator protection program, assist the employer in auditing the adequacy of the program, and provide a record for compliance determinations by OSHA, according to 29 CFR 1910.134(m). Records of medical evaluations required by this section must be retained and made available in accordance with 29 CFR 1910.1020. Fit-testing records must be detailed and retained until the next fit test. The employer must also retain a written copy of the current respirator protection program.

Conclusion

It’s important to remember that respiratory protection is the last option for employers addressing airborne contaminants in the workplace. In OSHA’s hierarchy of hazard controls, all engineering control and administrative control measures must be exhausted before implementing a respiratory protection program. For a more detailed review of OSHA’s fit testing requirements, see Quick Tips #140: Respirator Fit Testing Requirements and Procedures.

Commonly Asked Questions
 
Q. Can I use canisters or respirator parts from another manufacturer to repair my respirator?
A. No, doing so will void all NIOSH approvals.
 
Q. Do I need a written respiratory protection program if I only have employees using disposable dust/mist respirators?
A. OSHA defines filtering facepieces and dust masks as one and the same within 29 CFR 1910.134. And if employees are required to wear a respirator, of any type, a written program is required. If employees voluntarily wear respirators, the employer must demonstrate that all conditions for voluntary use exist. OSHA is very clear on voluntary use of respirators. Voluntary use means:
  • An exposure assessment has been conducted;
  • The permissible exposure limit (PEL) is not exceeded;
  • No OSHA regulation requires that respirators be provided by the employer (For example, 1910.1025 requires employers to provide respirators upon request to employees exposed to lead at any concentration.);
  • The employer does not believe it is necessary to reduce exposures below their current levels (i.e., there is no perceived hazard);
  • The employer does not require, recommend, encourage or suggest that respirators be used;
  • Workers ask to wear respirators; and
  • Respirators will not be used for emergency response or escape.
If one or more of these conditions are not met, respirator use is not voluntary. Therefore, a complete written respiratory protection program is required.
 
Q. What is IDLH?
A. IDLH is the concentration at which a contaminant is immediately dangerous to life and health. If the concentration meets or exceeds the IDLH concentration, a pressure-demand self-contained breathing apparatus (SCBA) or airline respirator with escape should be selected.
 
Sources

NIOSH Workplace Safety and Health Topics - Respirators

OSHA 29 CFR 1910.134

OSHA Respiratory Protection eTool

(Rev. 9/2015)


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Please Note:
The information contained in this publication is intended for general information purposes only and is based on information available as of the initial date of publication. No representation is made that the information or references are complete or remain current. This publication is not a substitute for review of the current applicable government regulations and standards specific to your location and business activity, and should not be construed as legal advice or opinion. Readers with specific questions should refer to the applicable standards or consult with an attorney.


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