We are fit2fit Accredited for both Quantitative (Portacount) & Qualitative (Taste Test) face fit testing: Our face fit testers are trained, competent as per HSE document INDG 479 and accredited for both quantitative (APC portacount) & qualitative (taste test) respirator face fit testing. We can test all types of tight fitting respiratory protective equipment: Full mask respirators, SCBA, reusable half masks, disposable masks etc. There are two types of face fit testing, quantitative & qualitative.
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Quantitative face fit testing can be used to fit test all types of tight-fitting masks including disposable, half and full face masks. Quantitative tests give an objective assessment of facial fit and provide a direct numerical result called a Fit Factor.
The most widely-used quantitative method for RPE fit testing is the Ambient Particle Counting (APC) device method, a title ascribed to the TSI Portacount.
The Portacount measures the number of ambient particles inside and outside a facepiece and provides a numerical result which is the ratio of the two over a given test period.
Qualitative face fit testing relies on the wearer’s subjective assessment of face seal leakage. These methods, during a set of test exercises, use the wearer’s sense of taste to detect face seal leakage of a test agent.
Qualitative tests are subject to problems with sensitivity, lack of objectiveness and inability to provide a numerical result.
For these reasons qualitative tests can only be employed for fit testing of filtering facepieces (disposable masks) and half masks, not full face masks.
Don’t worry if you are not sure of which test you need, our fit testers are accredited in both methods and they will always use the method that is suited to your needs.
Beards – if you or your staff have a beard, your option is a powered air respirator they do not require a face fit test and do not need to form a tight seal against the wearers face for are a prefect solution for people with beards or facial hair.
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