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Working in Wildfire-Impacted Areas

Bryan Little, Farm Employers Labor Service

Updated July 5, 2018

Update: July 5, 2018

Cal/OSHA has published this notice (Spanish) to employers in Yolo and Napa counties who may be impacted by wildfires.  Cal/OSHA also notes they provide updates on wildfire worksite impacts at their website:

Update: Jan. 11, 2018

FELS' longtime friend, Rob Roy of Ventura County Agricultural Association, recently found himself in the epicenter of a controversy contrived by self-appointed farm worker advocates at the Central Coast Alliance United for a Sustainable Economy (CAUSE).  Clever PR on CAUSE's part caused Cal/OSHA to focus on whether agricultural workers in Santa Barbara and Ventura Counties should be provided respiratory protection (respirators) by their employers when working in wildfire-impacted areas before recent rains quenched area fires.  In the end, Cal/OSHA did little other than send letters to area agricultural employers asking to show they did not violate the respiratory protection standard in having employees work in fields and vineyards when fires were burning nearby, and published an update to their wildfire protection webpage, reminding employers of the general conditions of the Injury & Illness Prevention Program (IIPP) standard and the Respiratory Protection standard.

To assist employers in wildfire-impacted areas to demonstrate proactive hazard assessment and response, Rob drafted these Illness and Injury Prevention program addenda in English and Spanish specifically addressing hazard identification, assessment and response in situations where employers have employees working in agricultural employment in areas near wildfire activity.  FELS thanks Rob for allowing us to post these useful resources on our website.

Agricultural employers in wildfire-impacted areas should understand what they are required to do to protect their employees from hazards that may be unique to those areas. Employers whose operations are affected by the recent spate of wildfires in California have contacted FELS' Sacramento office for information about occupational safety and health protections for their employees.

Update: Dec. 7, 2017

Cal/OSHA has reissued guidance previously issued during wildfires in Northern California to help protect workers working in the vicinity of wildfires in Southern California; you can read more here.

Update: Oct. 27, 2017

The Division of Occupational Safety and Health of the California Department of Industrial Relations (Cal/OSHA) has issued further information on Oct. 27 for employers of employees conducting clean-up operations in the wake of wildfires.  This covers a variety of issues like possible exposure to live electrical wires, ruptured natural gas distribution pipes, confined spaces, and possible respiratory hazards.  

Update: Oct. 14, 2017

Cal/OSHA issued a release on Oct. 13, advising employers that special precautions must be taken to protect workers from hazards from wildfire smoke.  In addition to explaining basic respiratory protections, the agency also advises that certain types of respirators may be required where local authorities have warned of hazardous air conditions.  The agency posted similar information on its website, along with locations throughout the state where N95 filtering facepiece respirators are being distributed through county emergency operations centers.

Injury & Illness Prevention Program requirements

California occupational safety and health regulations require employers to create and implement an Injury and Illness Prevention Program (IIPP) (Title 8 California Code of Regulations (CCR) section 3203).

(Note: The Department of Industrial Relations (DIR) website accessible by this link features additional links to sample IIPPs, including one for agricultural employers. Cal/OSHA provides a step-by-step eTool to help you implement an IIPP, which you can access through one of the links mentioned above. FELS can provide you with a personalized IIPP with the purchase of a FELS HR Compliance Manual.

In general, you must evaluate workplace hazards and provide appropriate protections to employees, including: engineering controls (engineering the workplace to control or eliminate a hazard); administrative controls (limiting employee exposure by limiting the time of possible exposure on the part of an employee); or personal protective equipment (PPE) to protect the employee from the hazard if neither engineering controls nor administrative controls can be implemented. Basic IIPP requirements include hazard evaluation, determination of appropriate hazard abatement, employee training if needed, and implementation of engineering, administrative, or personal protective equipment controls.

Respiratory Protection Requirements

If you determine a respiratory hazard is present, Cal/OSHA standards require you to create and implement a written respirator use program (a respirator program is also featured in the FELS HR Compliance Manual.)  Such a program entails documentation of your decisions about the presence of a respiratory hazard, selection of an appropriate respirator, medical evaluation of employees before they work in environments the employer has determined require use of a respirator, fit-testing of the employee and respirator, and employee training in use and maintenance of the respirator. Fit-testing is an involved process requiring a trained fit-test evaluator using a standardized fit-testing protocol. 

If you choose to have employees use a “tight-fitting” respirator (one with a seal between the facepiece and the skin of the face), employees using those respirators may not have facial hair that will interfere with the seal.

(Note: FELS Labor Management Consultants can conduct respirator fit-testing and training at your farm or ranch; for details, please contact FELS at 800-753-9073 or This email address is being protected from spambots. You need JavaScript enabled to view it..)

Wildfire Impacts

You may be facing the need to resume or continue harvest or other operations in the ongoing presence of wildfire smoke. Because this situation is so unusual and likely was not anticipated, it is unlikely you have either an IIPP that covers wildfire smoke or a written respiratory protection program that covers employees other than pesticide applicators.

An option other than trying to implement a full written respirator program with medical evaluation is to permit voluntary use of filtering facepiece respirators. You may permit voluntary respirator use without a written respirator program and attendant requirements, including a medical evaluation (T8 CCR 5144 (c)(2)(B)). Voluntary respirator use is permissible if:

  • You do not require respirator use;
  • Respirator use is not required to protect the health of the employee; and,
  • You determine the use of the respirator itself does not create a hazard.

Voluntary use is permissible for filtering facepiece respirators only. (California Department of Public Health recommends a respirator classified by the National Institute for Occupational Safety and Health (NIOSH) as either “N95” or “P100”; they are available in many hardware stores, home improvement stores, and pharmacies; also refer to this FELS "Safety Training for Agricultural Workers: Protect Your Lungs from Wildfire Smoke.")

If you permit voluntary respirator use, you must furnish employees voluntarily using respirators with T8 CCR 5144 Appendix D, “Information for Employees Using Respirators When Not Required Under the Standard” (below).  You should also have posted in your worksite the respirator notice required by T3 CCR 6739(r), “Voluntary Respirator Use Posting,” which is included with FELS’s Employment Notifications Book & Laminated Posters, available on the FELS website.

A filtering facepiece respirator of the type you can provide for voluntary use will protect your employees from particulate matter if used properly (see the California Department of Public Health fact sheet above for information on proper use of filtering facepiece respirators), but it will not protect against other air contaminants that may be present, such as carbon monoxide (CO). Use of respirators providing such protection requires implementation of a written respirator program with medical evaluation protocols. FELS’s sources indicate that Cal/OSHA is not finding indications that CO is being found widely in wildfire-impacted areas. Cal/OSHA is also not known at this time to be conducting programmed worksite inspections focused on respirator compliance in wildfire-impacted areas. If you know of the presence of air contaminants (see T8 CCR 5155, Airborne Contaminants) that exceed Cal/OSHA Permissible Exposure Limits (PELs), you must implement mandatory use of appropriate respirators with a written respirator program and all attendant requirements.

Below is the text of the information T8 CCR 5144 Appendix D requires you to provide to employees voluntarily using filtering facepiece respirators:

Information for Employees Using Respirators When Not Required Under the Standard

Respirators are an effective method of protection against designated hazards when properly selected and worn. Respirator use is encouraged even when exposures are below the exposure limit, to provide an additional level of comfort and protection for workers. However, if a respirator is used improperly or not kept clean, the respirator itself can become a hazard to the worker. Sometimes, workers may wear respirators to avoid exposures to hazards, even if the amount of hazardous substance does not exceed the limits set by OSHA standards. If your employer provides respirators for your voluntary use, or if you provide your own respirator, you need to take certain precautions to be sure that the respirator itself does not present a hazard.

You should do the following:

  1. Read and heed all instructions provided by the manufacturer on use, maintenance, cleaning and care, and warnings regarding the respirators limitations.
  2. Choose respirators certified for use to protect against the contaminant of concern. NIOSH, the National Institute for Occupational Safety and Health of the U.S. Department of Health and Human Services, certifies respirators. A label or statement of certification should appear on the respirator or respirator packaging. It will tell you what the respirator is designed for and how much it will protect you.
  3. Do not wear your respirator into atmospheres containing contaminants for which your respirator is not designated to protect against. For example, a respirator designed to filter dust particles will not protect you against gases, vapors or very small solid particles of fumes or smoke.
  4. Keep track of your respirator so you do not mistakenly use someone else's respirator.

FELS cautions you to be aware of public perceptions that may be created if employees are seen (or portrayed in the media) harvesting food or wine grapes using personal protective equipment like respirators.  Public perceptions about the quality or safety of these products could be problematic.

If FELS can be of further assistance, please contact us at 800-753-9073 or This email address is being protected from spambots. You need JavaScript enabled to view it..