The TA Luft, 13th BImSchV, 17th BlmSchV, and other ordinances specify requirements for emissions monitoring. The "Uniform Federal Practice" and related guidelines and standards provide details on legal requirements. Continuous recording, processing, and evaluation of measured values according to specific criteria is necessary. To achieve accurate measurements with automatic methods, various factors must be considered. This forum offers fundamental knowledge of emission measurement technology and information on regulations, directives, and standards like DIN EN 14181, including QAL3 recommendations for incineration plant operators. Practical reports are also available.