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The fit testing process also accounts for any other PPE that may be worn, such as safety glasses, hard hats, and hearing protection, which can interfere with the respirator’s fit. To ensure the respirator maintains a proper seal even with additional equipment, AS/NZS 1715 and ISO 16975.3 standards require all such PPE to be worn during the fit test. This precaution ensures that there are no unexpected issues with the respirator's performance when combined with other protective gear.
Qualitative fit testing is a sensory-based method used to determine whether a respirator fits correctly. It is often applied for half-mask respirators like P2 masks, N95s or other disposable respirators, where the mask covers the nose and mouth. This test relies on the wearer’s ability to detect the presence of a test agent while performing a series of exercises.
Test agents used:
The purpose of these agents is to help detect any leaks in the respirator seal. If the wearer can sense the agent—whether through taste, smell, or irritation—it indicates that the respirator is not fitting properly.
1. Pre-test setup
2. Test exercises
The wearer is asked to perform a series of exercises designed to simulate typical movements during work, which may affect the respirator’s fit. These exercises last around 60 seconds each:
3. Using the test agent
4. Pass or Fail:
Quantitative fit testing provides a more precise measurement of respirator fit by using instruments to measure particle leakage around the mask. This method is suitable for all types of tight-fitting respirators, including full-face masks, and is considered more accurate than qualitative testing.
Testing Instruments Used:
Quantitative fit testing provides a fit factor, which is a numerical value that indicates how well the respirator fits. The higher the fit factor, the better the seal.
1. Pre-test setup
2. Test exercises
As with qualitative testing, the wearer performs the following exercises, each lasting approximately 60 seconds:
3. Fit factor calculation
4. Pass or Fail
Row content
Employers in Australia have a legal duty under the Work Health and Safety (WHS) law to protect their workers. A Person Conducting a Business or Undertaking (PCBU) must ensure the health and safety of employees by providing personal protective equipment (PPE), including respirators, when required.
In Australia, fit testing should be conducted:
Yes, under the Work Health and Safety (WHS) law, respirator fit testing is mandatory in workplaces where tight-fitting respirators are required to protect workers from airborne hazards. The AS/NZS 1715:2009 standard outlines the requirements for fit testing, which include conducting the test before the worker first uses the respirator and annually thereafter.
Fit testing is required for any tight-fitting respirators that rely on a proper seal around the face to provide protection. These respirators are classified by the level of protection they offer and include the following:
The following types of tight-fitting respirators across different levels require fit testing:
Loose-fitting respirators, such as hoods and helmets, do not require fit testing since they do not depend on a tight seal to protect the wearer.
If a worker fails a fit test, it means the respirator does not create a proper seal on their face. In this case, the following steps should be taken:
Yes, facial hair, particularly around the sealing area of the respirator, can significantly affect the fit. Beards, stubble, or even long sideburns can interfere with the mask's seal, causing leaks and reducing its effectiveness.
The AS/NZS 1715:2009 standard requires workers to be clean-shaven in the area where the respirator seals to ensure a proper fit during the test and in actual use.
Under WHS law, employers (PCBU) have a legal obligation to ensure that workers using tight-fitting respirators undergo fit testing. Employers must:
Yes, Aussie Pharma Direct offers on-site respirator fit testing to ensure convenience and efficiency, especially for larger companies or groups. Our certified professionals can visit your workplace, making it easier to test multiple workers in one session without disrupting your operations. On-site testing is ideal for ensuring your team is compliant with safety regulations while saving time.
For smaller companies or individual workers, we also offer the flexibility to choose between on-site fit testing at your location or visiting our office for testing. This allows you to select the most convenient option for your needs.
You are welcome to bring your own mask for the fit test, whether it’s a personal respirator or one issued by your company. If you're exploring other options or looking to find the best fit, Aussie Pharma Direct can also provide up to 5 alternatives of the most popular respirators for you to try during the fit test. This allows you to choose the mask that provides the best protection and comfort for your needs.
After a fit test, employers should keep detailed records of each worker’s test results, including:
These records should be kept on file to demonstrate compliance with WHS regulations and to schedule future tests.
If your new role involves different exposure risks or requires a different type of respirator, you may need to undergo another fit test. Even if you're using the same respirator model, significant changes in tasks, environments, or even facial structure may require a new test to ensure the respirator still fits properly.
Yes, there is an important distinction. Fit testing is a formal process done by a trained professional to verify the respirator’s seal and is required before using a respirator. User seal checks, on the other hand, are quick checks performed by the wearer each time they put on the respirator to ensure that it is positioned and sealed correctly. Seal checks do not replace fit testing.