Approximately 4 years ago, the BDLI (Bundesverband der Deutschen Luft- und Raumfahrtindustrie) commissioned a "FuSE" (Fume and Smell Event) study at the German Aerospace Center (DLR). According to the BDL (see p. 8), around 800 "scientific and official publications of the past 30 years on the subject of cabin air were commissioned in an extensive literature study".
The results of this study were to be published in 2017. So far this has not happened.
For this reason, we have now submitted these 4 questions to both the BDL and the BDLI:
1) Has this study been completed?
2) Has it already been published, and if so where?
3) Is it accessible to the public?
4) If they have not yet been published, what are the reasons for keeping the results under wraps?
We will inform you of the answers as soon as they have been received.