Indoor Air Quality Testing (IAQ)

Indoor Air Quality Testing

MEC carry out air quality testing and assessment of indoor air quality (IAQ) to help identify environmental factors that are contributing to Sick Building Syndrome (SBS).


MEC's expertise in recognising workplace health hazards and evaluating the magnitude of exposure means we can guarantee proportionate advice on how to control workplace health risks. Our key objective when supporting our customer is to assist in safeguarding employee health, whilst at the same time ensuring your business remains productive as well as helping you maintain compliance with relevant regulations and guidance.

The quality of indoor air inside workplaces, offices and schools is important not only for workers' comfort but also for their health. Poor indoor air quality (IAQ) has been tied to symptoms like headaches, fatigue, trouble concentrating, and irritation of the eyes, nose, throat and lungs. Also, some specific diseases have been linked to specific air contaminants or indoor environments, for example asthma caused by damp indoor environments. 

Many factors affect IAQ. These factors include poor ventilation (lack of outside air), problems controlling temperature, high or low humidity, recent remodelling, and other activities in or near a building that can affect the fresh air coming into the building. Sometimes, specific contaminants like dust from construction or renovation, mould, cleaning supplies, pesticides, or other airborne chemicals (including small amounts of chemicals released as a gas over time) may cause poor IAQ.

The more commonly recognised term, Sick Building Syndrome (SBS) is the name given for symptoms workers only get while they are at work in a particular building, such as an office. SBS is likely to be due to a combination of two factors; physical and environmental factors, and job factors.

Are your employees complaining about, or experiencing a range of symptom which include: 

  • eye, nose and throat irritation,

  • the sensation of dry mucous membranes and skin,

  • hoarseness, wheezing, coughs and frequent respiratory infections,

  • skin rash and itching,

  • headaches and mental fatigue,

  • nausea and dizziness.

Indoor air quality testing falls into the assessment of environmental factors and may involve the measurement and assessment of:

  • Temperature and excessive temperature variations during the work shift

  • Humidity

  • Sampling indoor air pollutants, for example carbon dioxide, carbon monoxide, volatile organic carbons (VOC's), formaldehyde and nitrogen oxides 

  • Rates of air movement

  • Dust particles in the atmosphere



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T:  (01833) 631203

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