<Li> The distillate, to which only water and plain caramel colouring may be added (E150a), retains its colour, aroma and taste derived from the production process referred to above </Li> <Li> Irish whiskey is to have a minimum alcoholic by volume content of 40% </Li> <Li> Individual technical specifications for the three varieties of Irish whiskey, "single pot still", "single malt", "single grain", and "blended" whiskey (a mix of these two or more of these varieties) are also outlined in the technical file . The use of the term "single" in the aforementioned varieties being permissible only if the whiskey is totally distilled on the site of a single distillery . </Li> <Li> Maturation only takes place on the island of Ireland </Li>

How many types of irish whiskey are there