last I saw, poland was schedule for Euro switch in 2015 and the reason for the delay was they had not meet all the qualifications for EU membership
That you cannot get the recipes is a big lie propagated by the gasland film.
You can do a google search and find the generic recipes. The problem is those recipes are generic and depending on the soil the proportions of different chemicals change. The big problem and why various companies have been fighting the various anti-frackers is that as you use the water it picks up chemicals from the ground, the various anti-fracker groups want companies to do a constant scan for those picked up chemicals and track all of them and report all of them.
The flush toilet is the basis of Western civilization. -- Alan Coult