Maximum Threshold Limits for potential indoor air contaminants, as published in the Singapore NEA "Guidelines for Good Indoor Air Quality in Office Premises"
Test Parameter Info Maximum Threshold Limit
Carbon Dioxide (CO2) 1000 ppm
Carbon Monoxide (CO) 9 ppm
Formaldehyde (HCHO) 0.1 ppm
Ozone (O3) 0.05 ppm
Total Volatile Organic Compounds (TVOC) 3 ppm
Suspended Particulate Matter 150 µg/m3
Air Temperature 22.5°C – 25.5°C
Relative Humidity ≤70%
Air Velocity ≤0.25m/s
Total Bacterial Counts 500 Cfu/m3
Total Fungal Counts 500 Cfu/m3
Indoor levels of air pollutants can be 2-5 times higher, and occasionally 100 times higher, than outdoor levels. IAQ's expertise is in identifying and eliminating environment -related reactions or allergies.
If you are currently suffering from environment-
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Our objective approach, based on the collection and utilisation of scientific evidence, has helped us identify the root causes of a myriad of environmental problems - and has provided effective solutions for our satisfied customers. This has earned us a reputation for delivering Solutions for Healthier Environments.
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