Development of a procedure for evaluating the performance of filters used in ventilation systems and industrial vacuums to remove particles smaller than 300 nm in diameter Abstract On a mass-for-mass basis, certain ultrafine particles (UFPs) have higher toxicity than larger particles with the same chemical composition. To date, toxicological knowledge of ultrafine particles remains too limited to establish occupational exposure limits. Filtration remains one of the most frequently used means of protection due to its simple implementation and its efficiency in capturing different-sized particles, including UFPs. However, the researchers observe a lack of knowledge concerning evaluation of the performance of general ventilation systems, local exhaust ventilation systems, and industrial vacuums in terms of UFP filtration. The aim of this research project is therefore to develop a laboratory method for evaluating the performance of filters used in ventilation systems and industrial vacuums. This will make it possible to identify the expected performance ranges of the filters and ultimately to make recommendations to protect workers exposed to UFPs. Produced Under this Project Scientific Reports Development of a Procedure for Evaluating the Performance of Ventilation Filters for Particulate Matter Measuring Less Than 300 NM in Diameter, Including Nanoparticles Research Report: R-1107 Scientific Publications Performance of mechanical filters used in general ventilation against nanoparticlesBrochot C., Abdolghader P., Haghighat F., Ali BahloulSource : (2020). Science and Technology for the Built Environment, 26(10), 1387-1396. doi: 10.1080/23744731.2020.1787085Performance of mechanical filters used in general ventilation against nanoparticlesBrochot C., Abdolghader P., Haghighat F., Ali BahloulSource : (2019). Affiche présentée à IAQVEC Conference 2019, bari, Italie.Performance of mechanical filters used in general ventilation against nanoparticlesBrochot C., Abdolghader P., Haghighat F., Ali BahloulSource : (2019). IOP Conference Series: Materials Science and Engineering, 609(3). doi: 10.1088/1757-899X/609/3/032044Development of a procedure to measure the performance of ventilation filters for nanoparticlesAli Bahloul, Brochot C., Abdolghader P., Haghighat F.Source : (2019). IOP Conference Series: Materials Science and Engineering, 609(3). doi: 10.1088/1757-899X/609/3/032032Évaluation de la performance de filtres mécaniques de ventilation générale pour des particules inférieures à 300 nanomètresAli Bahloul, Brochot C.Source : (2019). Communication présentée à AQHSST, QC.Procedure to measure the penetration of one mechanical filter for nanoparticles: Validation by comparisonAbdolghader P., Brochot C., Haghighat F., Ali BahloulSource : (2019). Measurement, 147. doi: 10.1016/j.measurement.2019.07.068Filtration of nanoparticles applied in general ventilationBrochot C., Abdolghader P., Haghighat F., Ali BahloulSource : (2019). Science and Technology for the Built Environment, 25(2), 114-127. doi: 10.1080/23744731.2018.1500396Airborne nanoparticles filtration performance of fibrous media: A reviewAbdolghader P., Brochot C., Haghighat F., Ali BahloulSource : (2018). Science and Technology for the Built Environment, 24(6), 648-672. doi: 10.1080/23744731.2018.1452454Can 0.3 micrometer be commonly assumed as MPPS for mechanical filters used in ceneral ventilation?Brochot C., Haghighat F., Ali BahloulSource : (2022). Communication présentée à ASHRAE - Ventilation 2022: 13th International Industrial Ventilation Conference for Contaminant Control, Toronto, ON. Other Project(s) You May be Interested in Development of a procedure for measuring the effectiveness of filters for collecting nanoparticlesDevelopment of a generating chamber, a method for the metrology and measurement of the nanoparticle collection efficiency of filtersDevelopment of expertise in metrology and in the generation of nanoparticles and ultrafine particlesEvaluating the performance of an N95 filter against ultrafine particles, including nanoparticles, with a cyclic airflow that simulates the breathing of workers Additional Information Type: Project Number: 2014-0063 Status: Completed Year of completion: 2020 Research Field: Chemical and Biological Hazard Prevention Team: Ali Bahloul (IRSST)Fariborz Haghighat (Université Concordia)