Sangam: A Confluence of Knowledge Streams

Sources of airborne endotoxins in ambient air and exposure of nearby communities - a review

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dc.creator Rolph, Catherine A.
dc.creator Gwyther, Ceri L.
dc.creator Tyrrel, Sean F.
dc.creator Nasir, Zaheer A.
dc.creator Drew, Gillian H.
dc.creator Jackson, Simon K.
dc.creator Khera, Shagun
dc.creator Hayes, Enda T.
dc.creator Williams, Ben
dc.creator Bennett, Allan
dc.creator Collins, Samuel
dc.creator Walsh, Kerry
dc.creator Kinnersley, Rob
dc.creator Gladding, Toni L.
dc.date 2018-10-01T09:45:31Z
dc.date 2018-10-01T09:45:31Z
dc.date 2018-09-26
dc.date.accessioned 2022-05-25T16:38:36Z
dc.date.available 2022-05-25T16:38:36Z
dc.identifier Catherine A. Rolph, Ceri L. Gwyther, Sean F. Tyrrel, et al., Sources of airborne endotoxins in ambient air and exposure of nearby communities - a review. Atmosphere, Volume 9, Issue 10, Article number 375
dc.identifier 2073-4433
dc.identifier https://doi.org/10.3390/atmos9100375
dc.identifier http://dspace.lib.cranfield.ac.uk/handle/1826/13499
dc.identifier.uri http://localhost:8080/xmlui/handle/CUHPOERS/182355
dc.description Endotoxin is a bioaerosol component that is known to cause respiratory effects in exposed populations. To date, most research focused on occupational exposure, whilst much less is known about the impact of emissions from industrial operations on downwind endotoxin concentrations. A review of the literature was undertaken, identifying studies that reported endotoxin concentrations in both ambient environments and around sources with high endotoxin emissions. Ambient endotoxin concentrations in both rural and urban areas are generally below 10 endotoxin units (EU) m−3; however, around significant sources such as compost facilities, farms, and wastewater treatment plants, endotoxin concentrations regularly exceeded 100 EU m−3. However, this is affected by a range of factors including sampling approach, equipment, and duration. Reported downwind measurements of endotoxin demonstrate that endotoxin concentrations can remain above upwind concentrations. The evaluation of reported data is complicated due to a wide range of different parameters including sampling approaches, temperature, and site activity, demonstrating the need for a standardised methodology and improved guidance. Thorough characterisation of ambient endotoxin levels and modelling of endotoxin from pollution sources is needed to help inform future policy and support a robust health-based risk assessment process.
dc.language en
dc.publisher MDPI
dc.rights Attribution 4.0 International
dc.rights http://creativecommons.org/licenses/by/4.0/
dc.subject bioaerosol
dc.subject endotoxin
dc.subject composting facilities
dc.subject intensive farming
dc.subject air pollution
dc.title Sources of airborne endotoxins in ambient air and exposure of nearby communities - a review
dc.type Article


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