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Face Fit Testing

Face Fit Testing is the process and testing of ensuring the correct fit of RPE (Respiratory Protective Equipment). Certain job roles and industries require employees to wear particular RPE, in order to protect them from various harmful environments – such as dust and fumes.

If their RPE is not correctly fitted, then the employee could potentially be exposed to hazardous substances, causing ill-health. RPE Face-Fit-Testing is carried out either on-site or at one of our clinics by a fully trained, qualified and experienced professional.

The test utilises the same RPE that will be worn whilst working on the daily task, which ensures the most accurate testing and outcome.

Employer Face-Fit Test Obligations:

  • A face-fit-test is a legal duty of the employer
  • A risk assessment should be carried out by the employer to determine whether a face-fit-test is required
  • The RPE required is matched to the hazard

Common symptoms of HAVS are:

Impaired circulation (leading to Vibration White Finger), Reduced sense of touch, Numbness, Reduced manual dexterity, Tingling, Stiffness of the joints ,Reduced grip strength


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Industry Leading Face Fit Testing:

FIT2FIT Accredited Face Fit Testing:

Our team of experienced and professional respiratory specialists will offer technical advice where needed and show your workforce how to wear their RPE correctly. Our experienced team has delivered thousands of training sessions and uses this knowledge to deliver a seamless educational program to employees across a range of sectors.

Our team are Fit2Fit accredited by the BSIF which is the only UK competency scheme supported by the HSE

Legal Requirement

It is a mandatory legal requirement, under section 7 of the Control of Substances Hazardous to Health Regulations (COSHH) 2002

Employers must provide the correct training in the use and care of respirators and Respiratory protective equipment (RPE) and Face Fit Tests for their employees whose work activities can result in harmful substances contaminating the air in the form of dust, gas or fumes.

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Quantitative testing is using an Ambient Particle Counter

Quantitative fit testing (QNFT) Quantitative fit testing (QNFT) provides a numerical measure of how well a facepiece seals against a wearer’s face; this is called a fit factor. These tests give an objective measure of face fit. QNFT methods are suitable for disposable and reusable half masks and full face masks. Examples of QNFT methods are: ambient particle counting and controlled negative pressure (CNP)

Qualitative is testing via taste

Qualitative fit testing (QLFT) is a pass/fail test based on the wearer’s subjective assessment of any leakage through the face seal region by detecting the introduction of bitter- or sweet-tasting aerosol as a test agent. QLFT methods are suitable for disposable and reusable half masks; they are not suitable for full-face masks. Although this type of test is based on subjective detection and response by the wearer of the RPE, it is important that it is administered by a fit tester competent in using this method.

Our other Services:

Workplace Testing
& Screening

Health screening primarily focuses on employee’s health, before they start a specific job or task. Health screening allows a company to encourage preventative action before employees start work.

Occupational Health Services & Support

LATUS empowers businesses to think about improving employee health at work, not preserving it. We believe that the best businesses put employee well-being and health first.

Health Surveillance

Health surveillance is the monitoring of the health of employees and carrying out ongoing health checks to ensure that they are protected and supported when working.

Fitness For Work Health Assessments

Ensuring that your team’s working environment is free from any health and safety risks should be a top priority for business owners and managers alike.


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Latus is revolutionising occupational health and employee wellbeing.
Integrated healthcare and wellbeing support for every employee, providing the care you need, when and wherever you need it.