@@ -304,16 +304,16 @@ Once a month, the ventilation in the technologies is serviced (i.e. switched off
[3] [Brandschutzordnung Teil A (Aushang)](https://www.rwth-aachen.de/global/show_document.asp?id=aaaaaaaaaaajthg&download=1), siehe Anhang A, aufgerufen 2022-05-17
## 9. List of Changes
2013-06-10 Creation - Draft
2014-03-13 Published
2014-06-26 Hazardous substances, material consumption, paragraph
2014-11-24 DGUV Information 213-850, compulsory attendance taken over from old "briefing”
2015-01-15 Minor corrections Chap. 2 Flowbox & deductions
2016-04-21 Minor adjustment together with the introduction of the General Cleanroom Laboratory Regulations
2018-11-07 Update to Compound Semiconductor Technology, old hazardous substances removed, minor error corrections.
2019-01-16 Minor changes
2021-12-17 Translated into English
2022-05-18 Adaptation to the current proposal
2013-06-10 Creation - Draft\
2014-03-13 Published\
2014-06-26 Hazardous substances, material consumption, paragraph\
2014-11-24 DGUV Information 213-850, compulsory attendance taken over from old "briefing”\
2015-01-15 Minor corrections Chap. 2 Flowbox & deductions\
2016-04-21 Minor adjustment together with the introduction of the General Cleanroom Laboratory Regulations\
2018-11-07 Update to Compound Semiconductor Technology, old hazardous substances removed, minor error corrections.\
