This European Standard defines the requirements for test waters used in the dynamic test rig defined in EN 15664-1.This document specifies test water(s) when the test procedure is used to:a)assess a material for approval as a reference material for a category of materials;b)assess a material for approval by way of comparative testing;c)obtain data on the interaction of local water with a material.NOTELocal waters used for test waters are not treated with corrosion inhibitors.