Can anyone offer help or guidance on the application of EN 206 conformity rules for compressive strength?

I used to have a QPA booklet "Guidance on the application of the EN 206-1 conformity rules" by T Harrison but can't find now that I need it!

Nor can I find it on the QPA website or by google searches

I seem to have spent hours looking but with no success so if anyone can help it will be much appreciated

A bit of a long shot I know but thanks for looking and thanks for any help you can give

Best regards

D