Quantitative Fit Testing Services

Respirators must be tested to verify their level of protection in hazardous environments. Quantitative fit testing (QNFT) offers a reliable way to ensure employees are fully protected by providing clear, measurable data on how well a respirator fits and seals to the face. Unlike qualitative testing, which relies on the wearer’s sense of smell or taste to detect leaks, QNFT uses specialized equipment to measure actual leakage. This objective method generates a numerical fit factor that verifies the respirator’s effectiveness.

The three main quantitative fit testing methods OSHA recognizes are:

  • Generated aerosol. The concentration of an aerosol introduced outside the mask is measured both inside and outside the respirator to calculate any leakage.
  • Ambient aerosol condensation nuclei counter (CNC). Particles already existing in the environment are measured, and the concentrations inside and outside the mask are compared using instruments like the PortaCount®.
  • Controlled negative pressure (CNP). This method creates a vacuum within the respirator and measures seal integrity by how quickly air leaks in.

Each of these quantitative respirator testing methods helps organizations comply with OSHA 29 CFR 1910.134 so that employees get the level of protection their job requires. For half-face respirators, a fit factor of at least 100 is required. For full-face, negative-pressure respirators, the minimum fit factor is 500.

Flexible Scheduling and Multi-Brand Support

At Jorgensen Company, we understand that each workplace is unique. To meet your specific operational needs, we offer on-site OSHA respirator fit testing services with flexible scheduling. We make the process as easy as possible, whether you have a small crew or you’re coordinating across many departments.

Our team of experienced technicians is knowledgeable with a wide variety of brands and models, including N95, half-face, and full-face respirators. We’ll make sure your employees have respirators that fit properly and function as intended. Our group testing capabilities also minimize downtime.

Respiratory Program Compliance Support

While we don’t develop Respiratory Protection Programs (RPPs), our services are designed to help your team achieve OSHA compliance within your existing RPP.

What we offer:

  • Medical evaluation assistance. Using 3M’s online medical evaluation system, your employees can complete a health screening at any time to establish their specific clearance level for using a given respirator. The process is secure, supports compliance with OSHA 29 CFR 1910.134, and only takes 15 to 20 minutes. Records are kept online, and the results are immediately available for convenience.
  • Training and education. We provide all the support materials needed on how respirators are used and maintained, so every member of your team is informed and protected.
  • Product guidance. If you need help selecting the right equipment, we’re here to help. We’ll recommend NIOSH-approved respirators and accessories that best match your employees’ needs and hazards.

With our fit testing services and support, you can be confident in the compliance and effectiveness of your respiratory program.

When to Use Qualitative Fit Testing Instead

There are situations where qualitative fit testing (QLFT) may be more appropriate than quantitative fit testing, such as:

  • Lower-risk environments. QLFT is allowed for half-mask respirators used in conditions where the assigned protection factor (APF) is 10 or less.
  • Certain regulatory compliance environments. QLFT is a cost-effective option for jobs and environments where qualitative testing meets OSHA compliance.

QLFT relies on the wearer’s ability to identify a test agent like Bitrex or saccharin by smell or taste. QLFT is sufficient for some applications, but the results are subjective and lack the verifiable data provided by quantitative methods. QNFT is the better choice for high-risk or regulated settings.

Why Proper Quantitative Fit Testing Is Crucial

An ill-fitting respirator can compromise worker safety, even if the mask appears to be sealed. Quantitative fit testing is critical because it provides measurable data confirming that each employee’s respirator is functioning exactly as it should.

This testing method works for a variety of masks, including:

  • N95 filtering facepieces
  • Half-face respirators
  • Full-face respirators

Whether your team works in environments with dust, fumes, or hazardous airborne particles, precise fit testing is necessary for compliance and worker safety.

On-Site Fit Testing Services by Jorgensen

Guaranteeing that your employees’ respirators properly fit is an important part of maintaining a safe, OSHA-compliant workplace. Jorgensen’s on-site quantitative fit testing services take the guesswork and hassle out of compliance with end-to-end support, flexible scheduling, and all the tools you need to navigate the requirements of your Respiratory Protection Program. We also offer qualitative fit testing services where quantitative testing is not required.

Learn more about how we can support your respiratory fit testing needs. Contact us today to schedule a consultation.