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Sydney, Adelaide, Brisbane, Melbourne, Perth


Odour Control Consultants and Services

Odour sampling

Stephenson Environmental can take odour samples according to approved test methods on your nominated site anywhere in Australia, from ambient air or point source, area and volume emission sources.  Our sampling is always to ISO/IEC 17025:2005 quality standards - we are accrediated by NATA.


We can tailor training for you and your team regarding:

Comparative assessment of a range of odour and VOC control techniques and strategies, including biofiltration, high temperature combustion, wet and dry scrubbing, activated carbon and alumina and various dispersion approaches. These can be conducted on your site to your specific needs.

Odour sensitivity screening to determine your odour sensitivity and accuracy, using either a sensitivity kit at your site, or a more complex assessment at our ORLA Olfactometry Lab to AS4323.3-2001.

Nasal Ranger use and maintenance.


Stephenson Environmental has a vast range of experience in the design, development and implementation of odour controls,  including:

Biofiltration for: 

  • Organic chemical manufacturing
  • Meat processing and rendering
  • Waste water
  • Food processing

Dry Scrubbing of acid gases for:

  • Brickworks
  • Aluminium smelters                       

Thermal Oxidation for: 

  • Solvents and chemical manufacture
  • Paints and surface coatings
  • Food processing, drying and rendering

Wet scrubbing for:   

  • Rendering
  • Sewerage and waste water
  • Animal and vegetable waste
  • Organic solvents 
  • Pesticides
  • Bitumen/asphalt                                        

Activated Carbon for: 

  • Waste recycling
  • Organic solvents
  • Alcohols
  • Styrene                                      

Electrostatic Precipitation for: 

  • Food cooking and processing                          

Mist Elimination for: 

  • Metal processing and heating
  • Acid production

Odour Laboratory

We analyse odour samples from all over Australia, within 30 hours in accordance with AS4323.3 & 4, to internationally recognised odour units (ou) in our ORLA Olfactometry Laboratory.

Nasal Ranger

Stephenson Environmental are agents for the Nasal Ranger Field Olfactometer sale, hire, calibration and training throughout Australia and New Zealand. 

The Nasal Ranger is a portable, handheld instrument that can be used anywhere, anytime for real-time accurate odour measurement, thus ensuring rapid response time to odour incidents.  Nasal Rangers are widely used by local councils to monitor community complaints, and for self-monitoring in resource recovery, agri-business, remediation and waste water treatment for baseline and screening odour measurements.

For more information

Call Us: 

02 9737 9991 Sydney Head Office

08 8278 2155 Adelaide

07 3303 8549 Brisbane

0417 023 140 Melbourne

Contact Us

Contact us for Odour sampling, analysis, control, training and Nasal Rangers

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