Safetypee,
Yes, NPA OPS 36 is the same document as Amendment 8, word for word.
Icebore,
Regarding point 2, whilst I can't comment regarding individual aircraft types, I would say that only a couple of years ago Type IV (i.e. very thick, gel-like fluid) was widely used, this now seems not to be the case, due to a number of "issues" where fluid settled in aerodynamically "quiet" areas with the obvious safety implications. Certainly from my experiences this winter, one of the main UK De-Icing providers is solely using Type II Plus fluid,
PHX