The letter of instruction can be downloaded here as Word document. To download a document, please click the right mouse button and choose the "save as" option. The report form can  be downloaded on this site when deadline has expired.

Download for the main sample of iis15B05EN the  letter of instructions and the  report form.

Download for the additional alkylate sample of iis15B05EN the  letter of instructions and the  report form.

Download for the main sample of iis15B05DVPE the  letter of instructions and the  report form.

Download for the main sample of iis15B05RON/MON the  letter of instructions and the  report form.

Summary of this proficiency test:

On 30 September 2015 the proficiency test on Gasoline  started with 146 participants from 54 different countries.

On that date, the samples were dispatched to the laboratories. Enclosed to the samples were the instructions to the participants for this proficiency test, forms for the reporting of the analysis results and the safety data sheet (SDS).

The samples can be analyzed on: Aromatics, API gravity, Benzene, appearance, Copper strip 3hrs/50ºC, Distillation, Doctor test, Density @15ºC, Existent gum (washed), olefins, aromatics, Pb, Mn, Oxyganates, Sulphur, Oxidation Stability, RON/MON, Total vapour pressure and DVPE.

The extra alkylate sample is meant for the analysis of Aromatics by FIA, Aromatics by Reformulyzer-PNA method Aromatics by Reformulyzer-Winterspec method, Olefins by FIA, Olefins by Reformulyzer-PNA method, Olefins by Reformulyzer-Winterspec method Paraffins by Reformulyzer-PNA method, Paraffins by Reformulyzer-Winterspec method.