… 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 …

… 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 …