1. Assessment of Sampling Techniques to Investigate Airborne Transport of Contaminants in Treated Wastewater from Sprinkler Irrigation Fine Droplet
- Author
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Sandrine Bayle, Bruno Molle, Séverine Tomas, Mehrnaz Zardari, Laurent Aprin, Dominique Courault, Gestion de l'Eau, Acteurs, Usages (UMR G-EAU), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-AgroParisTech-Centre national du machinisme agricole, du génie rural, des eaux et forêts (CEMAGREF)-Institut de Recherche pour le Développement (IRD [France-Sud])-Centre International de Hautes Etudes Agronomiques Méditerranéennes - Institut Agronomique Méditerranéen de Montpellier (CIHEAM-IAMM), Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM), Etude des Risques et de la Qualité de l’air (EUREQUA), Laboratoire de Génie de l'Environnement Industriel et des Risques Industriels et Naturels (LGEI), IMT - MINES ALES (IMT - MINES ALES), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)-IMT - MINES ALES (IMT - MINES ALES), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)-Laboratoire des Sciences des Risques (LSR), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT), Environnement Méditerranéen et Modélisation des Agro-Hydrosystèmes (EMMAH), and Avignon Université (AU)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)
- Subjects
Irrigation ,Chromatography ,010504 meteorology & atmospheric sciences ,Indoor bioaerosol ,Sampling (statistics) ,010501 environmental sciences ,Contamination ,01 natural sciences ,6. Clean water ,law.invention ,[SPI]Engineering Sciences [physics] ,Wastewater ,law ,[SDE]Environmental Sciences ,Environmental science ,Fluorescent tracer ,Active sampling techniques ,Sprinkler irrigation ,Particle counter ,Contaminant transport ,Filtration ,Droplet size ,0105 earth and related environmental sciences - Abstract
L'événement lié au congrès a été annulé aux dates et lieu indiqués mais les actes de la conférences ont été publiés : https://ascelibrary.org/doi/book/10.1061/9780784482957; International audience; The objective of the present study is to compare different sampling methods in controlled conditions in order to assess which is the most suitable for monitoring bioaerosols and dispersion. Different active sampling techniques were used and their performance assessed at different sampling times: impingement (AGI-4 and SKC BioSampler), filtration (glass fiber filters), and real-time viable particle counter (BioTrak). Two tracers were evaluated, a fluorescent tracer (ABF) and Escherichia coli (E. coli), added to the water. The results showed that the physical collection efficiency of AGI-4 when using ABF, was higher than SKC BioSampler. The sampling time influenced the culturability of E. coli collected by two impingers: with increasing sampling time from 5 min to 15 min, the culturability of E. coli collected by SKC Biosampler and AGI-4 decreased by 14% and 37%, respectively. By comparing the amount of collected E. coli with impingers and those counted by BioTrak, it appears that BioTrak provided a rapid but less accurate number of viable particles.
- Published
- 2020
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