Building 42 Wrest Park Silsoe BEDFORD Bedfordshire MK45 4HP
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The Right Lab For Your Odour Samples

The Right Lab For Your Odour Samples

'All You Need Is A Lab' - for your odour samples needs

All You Need Is A Lab

There are a huge range of odour services available. For many of you, our integrated approach to odour assessment and management is enormously beneficial. However, not all of you will need this. Did you know we offer odour testing as a standalone service? Finding a reliable laboratory to test your odour samples can be challenging. That’s why we’re proud that we can back our claims with credentials. In 2005, Silsoe Odours became the first odour lab in the UK to receive UKAS accreditation. And we’ve successfully achieved this every year since, receiving our fifteenth successful UKAS audit at the beginning of 2019 (find out more here). 

What’s more, this article gives you a chance to hear from our customers too. Read on to see their experiences of sending odour samples to us for testing…

Odour sampling at Silsoe Odours

What Do Customers Think?

H&M Environmental Ltd

“Silsoe Odours are invaluable to me as a partner for testing odour samples. I use their laboratory services, on average, several times each month, for many of my clients.

“Silsoe Odours are a great source of expertise and allow me to offer clients an integrated odour consultancy experience, without the associated overhead and resourcing costs of operating my own laboratory.

“They understand both my needs as an independent environmental consultant, and those of my clients – whether utilities or multi-national operators.

“The flexibility and ease of working with Silsoe Odours is hugely valuable. I don’t hesitate to recommend their services.”

Matthew Houseman
Director, H&M Environmental Ltd

H&M provides specialist odour monitoring and measurement services.


“At Biogen, we regularly take odour samples from around our sites. This forms part of our Best Practice activities within our Odour Management Plans. By being proactive, we’re able to demonstrate compliance with our operating permits to the regulator, and ensure we’re not impacting the communities we work alongside.

“Our in-house teams conduct the odour sampling activities, with Silsoe Odours completing the subsequent odour testing. I knew of Silsoe Odours from my previous role, and from attending their Odour Study Day training course. We’ve now been working closely with them for over 10 years , and they have proven themselves a highly trusted partner.

“The team at Silsoe Odours are knowledgeable and friendly, and the laboratory services they provide are second-to-none. I cannot recommend them enough for their understanding of our business needs, flexibility and efficiency. Their odour specialists are also a valued source of helpful, prompt advice.”

Kate Lister
Director of Compliance, Biogen

Biogen is the UK’s leading operator of anaerobic digestion plants with over 20 years of working in the food waste recycling industry.

How Do I Take Odour Samples?

It’s important that your odour samples are taken in line with the requirements of European Standard BSEN13725:2003. So if you’re not immediately clear on what this means, it might be an idea to ask us about our odour sampling skills too. On the other hand, if you’re a sustainability or environmental consultant, operator or regulator familiar with the process of taking odour samples correctly, our ‘lab only’ service may be just what you need.

As long as your sampling methodology complies with the relevant olfactometry standards, we can analyse your samples. If you’re not sure, there’s a handy reference list at the bottom of this article to help.

Furthermore we’d be happy to talk through anything you’re not clear on, just get in touch.

odour samples - on-site

What Do You Test Odour Samples For?

We can test for a number of different things within our odour testing services, depending on your requirements. These include: 

Odour concentration – gives an emission source an objective number for use in the calculation of emissions

Odour intensity – provides a qualitative scale to rank the perceived strength; very faint to extremely strong

Odour characterisation – a description of the odour at just above the detection level

Hedonic tone – provides a quantative scale to rate how unpleasant an odour is

Chemical analysis – identifies the individual compounds contained in a sample with odour

Odour detection threshold – provides a numerical value for a compound’s odour

The Odour Panel at Silsoe Odours

One of our 'sniffer teams' testing odour samples

Tell Me More About The Guidelines

Finally, as we referenced above, there are a number of different guidelines available if you’re taking odour samples. Here’s our handy reference list:

European Standard BS EN13725:2003
You’ll need to purchase this one – click here for a link to the BSI shop

Institute of Air Quality Management
Guidance on the assessment of odour for planning – July 2018 version

Environment Agency
Additional guidance for H4 Odour Management – how to comply with your environmental permit

Odour Study Day (CPD-Certified, IAQM-Endorsed & CIWEM Accredited Odour Training)
If you’d like to find out more about odour assessment, sampling and management, take a look at the Odour Study Day training course

Please get in touch to find out how we can help support you with your odour samples. 

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