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2018 Proficiency Test (PT) on Jet Fuel A1 started


The letter of instructions can be downloaded here as a pdf document. To download a document, please click the right mouse button and choose the "save as" option.


Please download the instructions for the PT iis18J01 here: the letter of instructions and the report form here.

Download the instuctions for iis18J01PS here: letter of instructions for PS and the report form here.


Summary of this proficiency test:


On 28 February 2018 the proficiency test on Jet Fuel A1 started with 100 participants from 53 different countries. On that date, the samples were dispatched to the laboratories. Enclosed to the sample is the material safety data sheet (MSDS).

Please confirm sample receipt as soon as you have received and checked the contents of the sample package via Please enter the date of receipt and press the "save date" button.


The samples can be analyzed on: Acidity, Aromatics, Colour Saybolt, Copper Corrosion, Density at 15°C, Distillation, Existent gum, Flash Point, Freezing Point, Kinematic Viscosity at -20°C, Mercaptan Sulphur, MSEP, Naphthalenes, Smoke Point, Specific Energy, Sulphur and Particle Size . 


The deadline for reporting results is set on 6 April 2018. A laboratory that reports test results after the deadline will definitely not get direct feedback in case any of its results are suspect! So be in good time to get the most out of this proficiency test.

The test results should be reported via our internet based results reporting platform A login and a password can be requested via email to





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