… even when buildings and uneven terrain influence flue gas dispersion. A computer programme which meets the TA Luft requirements has been developed on behalf of the Federal Environment Agency. It is available free of charge under the name of AUSTAL and has proved its practical value.  Modellers from abroad …

… 3.3.0, program package Linux, GNU-C (ZIP / 22.03.2024) AUSTAL 3.3.0, Quelltexte der Programme (ZIP / 22.03.2024) BESTAL Documentation BESTAL 1.3.0, installation …

… as cosmetics, detergents, medical devices, pharmaceuticals, food, and animal feed. Under REACH a mixture does not have a special shape, surface or design which … chemical composition. Recommendations : Take advantage of your right to information under ⁠REACH⁠! A request to the supplier can be sent quickly and easily by using the … Definitions : A chemical substance means a chemical element (e.g. sodium) or a compound (e.g. sodium chloride) in the natural state or obtained by any manufacturing …

… provides precipitation data from the RESTNI 3 project for dispersion calculations under the TA Luft (Technical Instructions on Air Quality Control). In addition to … in the first quarter of 2026 in the UBA series of texts at https://www.umweltbundesamt.de/publikationen . According to this procedure, the precipitation data will … concentration depends on the distance from the source and the height above the ground. The averaging time (hourly average, annual average) also plays a role. It is …