• Paint Shops Save Money on Compressed Air Testing

Air Monitoring

Paint Shops Save Money on Compressed Air Testing

Nov 10 2020

Case Study: Discover how a1-cbiss saved a paint shop thousands of pounds on their compressed air testing whilst protecting their paint sprayers.


Paint booths or paint shops as they’re sometimes known, are areas that are often an enclosed space used to perform intricate paint jobs on metal works, aircraft, motor vehicles, ships and machinery.

Our client contacted us that use heavy paints in large volumes at any one time. The high levels may exceed the Workplace Exposure Limits (WELs), as stipulated in the EH40 guidelines.

Harmful fumes can cause anything from headaches or dizziness to nausea and fatigue. More severe symptoms may cause breathing difficulties.

To prevent these symptoms, paint sprayers wear air fed or supplied air respirators to provide them with a continuous stream of safe to breathe air. This air is supplied via sample line or tube from a breathing air compressor.


We informed the owner that it is the responsibility of the employer to protect their sprayers with adequate respiratory equipment. Clean breathing is essential when working in paint spraying.

At the time, we recommended that a respirator must be worn. The most protective type of respirator is a supplied air respirator with P3 filter.

Paint sprayers are required to wear air fed respirators that will provide them with a continuous stream of safe to breathe air. This air is supplied via sample line or tube from a breathing air compressor.

The compressor normally pulls air from outside, filters it and delivers it to the respirator. However, it’s not enough to assume that this is always safe. From time to time, contaminants (oil, carbon monoxide or water droplets) may get into the compressed breathing airline. These have the potentially to be highly dangerous to those breathing in the air.

To prevent the breathing air supply becoming contaminated, the compressed airline needs to be tested every 3 months in with EN12021.

The EN12021 regulation has been implemented under the COSHH regulations to ensure that tests are regularly completed to protect spray painters and wearers of PPE.

Testing is carried out using a compressed breathing air test kit to remove the impurities in the air. As paint shops are required to carry out testing every quarter at a minimum, it can quickly become expensive to pay a contractor when you calculate the costs over the course of a year. We’ve learnt that contractors that charge as much as £2300 per year.


We’ suggested to our client that they carry out the simple testing themselves using our AIRQUAL-1, it would save them a small fortune in the process.

After the initial outlay of just £1395, the AIRQUAL-1 provides a considerable cost saving. With annual tests (based on 4 per year) costing as low as £150, you can save over £2000 per year. A big difference don’t you think?!

How much can you save on compressed air line testing?

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