The application of coupled thermal analysis and gas-analysis instruments provides information on type and quantity of gases evolved during a technical production process. This was shown for ceramic firing processes and the curing of a phenolic resin. Kinetic analysis of degradation and decomposition reactions was applied to predict the long-term stability of a PVC compound and the rate-controlled burn-out of polymeric binders from alumina. An endangerment to the environment by atmospheric emissions can be estimated from the type and amount of gases detected and it has to be seen in comparison to the environmental legislation limits.