Environmental odour analysis, assessment & control

Accredited, independent odour consultancy

Benefit from our know-how as accredited odour measurement provider and renowned odour experts. Olfasense offers a full range of sensory and molecular odour sampling and odour analysis services to identify, measure and forecast environmental odours, assess odour impact, and help you define robust odour control solutions.

In accordance with the regulatory requirements, we provide you with a comprehensive odour report. Clear recommendations for action and tailor-made solutions for your plant help you to comply with odour regulations as part of your planning or regulatory permits. Appropriate odour management strategies will help you, in a very pragmatic way

  • to sustainably control emissions
  • to optimally plan odour reduction
  • to minimise the risks of odour impact
  • to avoid social, regulatory and legal conflicts

This is our global, corporate website. Via the following links, you can directly access the information about our teams in the UK, the Netherlands, and Germany.

environmental odour testing

Build on our recognised know-how - and our accreditations according to international odour standards

Odour emission measurement and odour impact assessment are a key factor in the approval and planning of many industrial and agricultural facilities. Which can mean nothing less than securing the operation of your plant. In order to eliminate environmental ‘nuisance’ odours, we analyse the sources of emissions at various point sources or area sources of your plant. On this basis, we evaluate the pathways and the odour impact. Our expertise: 4 accredited odour laboratories and a state-of-the-art GC-Sniffing-MS laboratory for molecular odour evaluation. More than 6500 realized odour projects with our own mobile laboratory worldwide. Our claim: Sensory and molecular odour analyses at the highest level – including the accurate selection of panelists, specific training, and the monitoring of precise data.

odour source pathway impact


Our services in the field of odour measurement

Client feedback

Our extensive experience includes a portfolio of over 5000 projects for hundreds of satisfied clients worldwide, from small family-run businesses to major multinationals. Here’s what our clients say about environmental odour analysis, assessment & control services.

Target industries

Whether in industrial or environmental applications: with bundled know-how, many years of experience in odour projects, and through our involvement in relevant odour working and standardisation groups, we support you in gaining an understanding of the odour potential of your plant, planning effective odour mitigation & control, and improving relations with the community. Sectors that we have been consulting, include:

Want to know more about us?

We’ve started small but we’ve always aimed high. Discover more about our accredited areas and our work in relevant working and standardisation groups. And find out how it all began.

FAQs - Frequently asked questions about odour testing

How is odour measured?

All recognized odour measurement methods work with human noses. For this purpose, panellists are used whose olfactory ability has been tested in advance. These panellists assess the odour on the basis of samples taken at the source, or directly in the ambient air around odour-emitting plants.

Can I measure odours myself with one of your devices?

Our devices are designed to perform standardized tests using the human sense of smell. For this purpose, a sample of the odour is first taken at the source. Our devices prepare the samples for the trained panellists to measure the odour. At the moment it is not yet possible to measure the type and concentration of odour exclusively with instruments. Even a measurement with sensors (formerly electronic noses), which can measure odour within certain limits, must always be traced back or calibrated to the human sense of smell. In this way, specific odours can be mapped as well as possible to human perception.

Is there a technology that can replace the human sense of smell, similar to an “electronic nose”?

No. Often smells consist of many different chemical substances. Not every substance is necessarily relevant for odour perception. Studies show that the human nose can (theoretically) distinguish over 1,000,000,000,000 different smells. Instrumental measurement systems do not yet provide this performance. Due to the great differences between technological measurement systems and the biological sense of smell, there is currently no technology that can replace the highly complex human sense of smell. There are some applications, such as process monitoring, instrumental measurement systems can be used for. However, also for those applications, measurements have to be traced back or calibrated to the human sense of smell. In this way, specific smells can be linked as well as possible to human perception.

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