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Proficiency test AQA 20-35 stack emissions

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This proficiency test is part of the National Measurement Institute's (NMI's) 2020 proficiency testing program for gas mixtures.

Registrations close 1 August 2020.

Test materials

We will supply each sample:

  • in a 5 L gas cylinder 
  • with a AS2473 Type 20 outlet
  • at approximately 30 bar pressure

The gas samples will contain the following components (nominal mole fractions only):

  • Carbon dioxide: > 1 %
  • Carbon monoxide : > 0.05 %
  • Oxygen: < 25 %
  • Nitrogen (as balance gas)

Sample distribution and reporting

  • We will distribute samples by 1 October 2020. 
  • You must submit your measurement results and return the sample cylinders by 1 December 2020.


There are 3 price options to participate: 

  • $1450 if we supply sample cylinder at 30 bar, and you return it after testing 
  • $3600 if we supply a sample cylinder at 100 bar and you keep the sample to use as a calibration standard
  • $4200 if we supply 2 cylinders—a calibration standard and a sample—and you return the sample after testing

These prices include GST and delivery to Australian sites.

You will need to pay extra for:

  • all international freight and duty charges
  • return delivery

To apply

  1. Read our proficiency testing terms and conditions.
  2. Email with your:
  • contact name
  • phone
  • postal address
  • delivery address
  • organisation
  • ABN

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Last updated: 27 February 2020

Content ID: 66484