… is possible in case mixing devices which are routinely applied by the farmers are used prior to sampling. In order to get an overview on the variability of liquid … sampled and characterized. Furthermore, temperature (including a temperature profile) in manure tanks was reported in order to select a realistic test temperature. … and a biocide. The experimental methodology which was developed in the project was used in a first inter-laboratory comparison (ring test) with 5 laboratories. …