Methyl Methacrylate

Methyl Methacrylate (MMA) is a volatile organic compound (VOC) that is used as a solvent to aid the curing of a number of industrial processes (laying of resin floors, manufacture of plastics etc).

Due to its low boiling point it readily forms a vapour that has a characteristic pungent smell. Levels as low as 0.05 ppm can be detected by the human nose.

MMA is irritating to the skin, eyes, and mucous membranes in humans. An allergic response to dermal exposure may develop. Respiratory effects such as coughing and/or shortness of breath have been reported in humans following acute (short-term) and chronic (longterm) inhalation exposures.

As an employer, you are responsible for taking effective measures to control exposure and protect health.


Methyl Methacrylate has a legal limit called a ‘workplace exposure limit’ the WEL is set at 50ppm (averaged over an 8-hour working period).

Once an assessment has been carried out to measure the exposure levels any actions should then be taken to either reduce or control exposure as part of an ongoing monitoring regime.



Our consultants are here to help you with advice and guidance. We offer a free consultation service to identify an appropriate exposure sampling and monitoring regime that will ensure you meet regulatory compliance.

We will then provide you with a no obligation proposal to attend your premises to carryout the site exposure assessment based on the monitoring regime most appropriate for your organisation.


If you need any further assistance with mould in the workplace or would like to know more please get in touch and we will get back to you as soon as we can.

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