The thread got a bit more added to.... you can only get DOT tested to DOT not the conversion DOT to HSE I was the person who posted the info that I thought it was possible but it got checked out and the result was the aboveOriginally posted by ciaran.mooney
Ok air tank are usually good allround - just make sure its in date when you buy it, not like 4 years out. Also theres a thread hanging around saying that US bottles are tested to DOT standards and for you to use a HP bottle in Europe it needs to be tested to HSE standards. If/when you get it send it off to planet to be checked.