… 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 …