This document specifies a method to determine the influence of factory-made cement based products on the odour, flavour, colour, turbidity and total organic carbon (TOC) of test waters after contact with the products. This document is applicable to factory-made cement based products, e.g. cement mortar linings to metallic pipes, tanks, concrete pipes, etc. intended to be used for the transport and storage of water for human consumption, including raw water used for the production of drinking water. NOTE Tests with the specified test water will not necessarily be representative of materials used in different kinds of waters and especially very soft waters.