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Endotoxins in the air of objects of waste and wastewater management infrastructure. Review of the applied methodology and obtained results of the study

Jadczyk Piotr

Environment Protection Engineering

2021

Vol. 47, nr 2

49--58

The paper analyses the variability of the methodology of collecting samples of endotoxins from the air in the premises and the vicinity of objects of waste management and wastewater treatment infrastructure, methods of their preparation, determination of endotoxin content, and results of research to date. The high sensitivity of analytical methods enables the analysis of the concentration of endotoxins in air samples with a small volume. After freezing, they can be stored for a long time. The effectiveness of extraction of endotoxins from bioaerosol samples can be improved by adding Tween 20 or Tween 80 to water. So far, factors determining the variability of concentrations of endotoxins in the air in the premises and the vicinity of objects of waste management infrastructure were determined. Further research in the scope is necessary. This will allow the determination of acceptable levels of endotoxin in the future. The impact of endotoxins on human health and the specificity of sewage and waste management must also be taken into account.