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Gefahrstoffe ◽  
2020 ◽  
Vol 80 (06) ◽  
pp. 234-245
Author(s):  
H.-D. Neumann ◽  
M. Buxtrup

Der neue Schimmelpilzleitfaden des Umweltbundesamtes (UBA) weist darauf hin, dass die Anwesenheit flüchtiger organischer Verbindungen mikrobiellen Ursprungs (microbial volatile organic compounds, MVOC) in der Raumluft ein Indikator für einen verdeckten Schimmelbefall sein kann. Zudem wurde eine Standardmethode für das Messen von MVOC veröffentlicht. Dies war Anlass, die Aussagekraft von MVOC-Messungen unter dem Aspekt von Schimmelpilzbelastungen in Räumen anhand der Messergebnisse aus der Studie „Gesunde Luft in Schulen“ der Unfallkasse Nordrhein-Westfalen (UK NRW) noch einmal kritisch zu hinterfragen. Im Ergebnis wurden in 370 der 381 untersuchten Klassenräumen MVOC nachgewiesen. Eine Korrelation zu den gemessenen Schimmelpilzkonzentrationen im Sedimentationsstaub konnte allerdings nicht festgestellt werden. Auch war keine Korrelation zu den Raumklimaparametern oder der Ausstattung der Räume erkennbar. Die gemessenen (M)VOC werden wohl eher aus Bauprodukten und Einrichtungen emittiert als durch Schimmelpilze erzeugt.   Summary The new mould fungi guidance document issued by the German Federal Environment Agency (UBA) states that the presence of microbial volatile organic compounds (MVOCs) in indoor air can be an indicator of hidden mould infestation. A standard method for measuring MVOCs has also been published. This prompted a critical review of the validity of MVOC measurements for determining exposure to mould fungi in rooms. The review was based on results of measurements obtained during the „Healthy air in schools“ study conducted by the German Social Accident Insurance Institution for the public sector in North Rhine-Westphalia (UK NRW). MVOCs were detected in 370 of the 381 classrooms examined. However, a correlation to the measured mould fungi concentrations in the deposited dust was not established, nor were correlations observed to the room climate parameters or the furnishings of the rooms. The (M)VOCs measured are more likely to be emitted from building products and furnishings than to be produced by mould.


2007 ◽  
Vol 4 (1) ◽  
pp. 2-16 ◽  
Author(s):  
Thomas Gawron ◽  
Jana Bovet ◽  
Ekkehard Hofmann ◽  
Wolfgang Köck

AbstractThe German Federal Environment Agency (Umweltbundesamt) commissioned the Department of Environmental and Planning Law of the Helmholtz Centre for Environmental Research - UFZ to analyse the capacity of spatial planning law to reduce land consumption, particularly inquiring into the specific shortcomings of the applicable provisions and making recommendations as to how the legal frame could be made more effective. This article summarises the results of the analysis and the recommendations for a more effective spatial planning law according to the reduction of land consumption.


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