{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T14:40:33Z","timestamp":1760107233594,"version":"build-2065373602"},"reference-count":34,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2024,3,15]],"date-time":"2024-03-15T00:00:00Z","timestamp":1710460800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Coimbra Heath School of the Polytechnic Institute of Coimbra"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Safety"],"abstract":"<jats:p>The primary sources of ultrafine particulate matter are linked to human activity. Certain particulate emissions, particularly those of a finer nature, can significantly impact human health, making them one of the most concerning pollutants. Ultrafine particles (UFPs), which have a diameter of less than 100 nm, are of particular concern due to their impact on human health and the difficulty in controlling them. The concentration of ultrafine particles (UFPs) in the workplace is a growing concern and is classified as an emerging risk. Workers may be exposed to UFPs through inhalation, skin absorption, ingestion, or a combination of these routes. This study aims to determine the levels of UFP exposure among workers in environments with varying direct particle emission patterns. Measurements were conducted to compare the results with the levels recommended by the WHO. The study monitored industrial workplaces with direct particulate matter emissions, such as a carpentry workshop and a bakery, as well as social sector sites without or almost without direct particle emissions, such as a school and a health clinic. One conclusion drawn from this study is that all tasks and occupations are susceptible to high levels of UFPs, exceeding WHO recommended values in virtually all monitored environments. Therefore, monitoring and controlling UFPs is crucial. Further in-depth studies on this subject are also necessary.<\/jats:p>","DOI":"10.3390\/safety10010030","type":"journal-article","created":{"date-parts":[[2024,3,15]],"date-time":"2024-03-15T09:32:30Z","timestamp":1710495150000},"page":"30","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Determination of Occupational Exposure to Ultrafine Particles in Different Sectors of Activity"],"prefix":"10.3390","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8854-1973","authenticated-orcid":false,"given":"Fernando Miguel","family":"Moreira","sequence":"first","affiliation":[{"name":"Escola Superior de Tecnologia da Sa\u00fade do Polit\u00e9cnico de Coimbra, 3045-043 Coimbra, Portugal"},{"name":"Instituto de Investiga\u00e7\u00e3o, Inova\u00e7\u00e3o e Desenvolvimento (FP-I3ID), Universidade Fernando Pessoa, 4249-004 Porto, Portugal"}]},{"given":"Ana","family":"Ferreira","sequence":"additional","affiliation":[{"name":"Escola Superior de Tecnologia da Sa\u00fade do Polit\u00e9cnico de Coimbra, 3045-043 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2628-9880","authenticated-orcid":false,"given":"Nelson","family":"Barros","sequence":"additional","affiliation":[{"name":"Instituto de Investiga\u00e7\u00e3o, Inova\u00e7\u00e3o e Desenvolvimento (FP-I3ID), Universidade Fernando Pessoa, 4249-004 Porto, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2024,3,15]]},"reference":[{"key":"ref_1","first-page":"111","article-title":"Indoor air quality in gyms\u2014A case study in the county of Coimbra","volume":"2","author":"Monteiro","year":"2018","journal-title":"Millenium J. Educ. Technol. Health"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1469","DOI":"10.1038\/ismej.2011.211","article-title":"Architectural design influences the diversity and structure of the built environment microbiome","volume":"6","author":"Kembel","year":"2012","journal-title":"ISME J."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"749","DOI":"10.1093\/annweh\/wxx049","article-title":"Workplace measurements of ultrafine particles\u2014A literature review","volume":"61","author":"Viitanen","year":"2017","journal-title":"Ann. Work Expo. Health"},{"key":"ref_4","doi-asserted-by":"crossref","unstructured":"Pasquiou, A., Pelluard, F., Manangama, G., Brochard, P., Audignon, S., Sentilhes, L., and Delva, F. (2021). Occupational exposure to ultrafine particles and placental histopathological lesions: A retrospective study about 130 cases. Int. J. Environ. Res. Public Health, 18.","DOI":"10.3390\/ijerph182312719"},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"108992","DOI":"10.1016\/j.buildenv.2022.108992","article-title":"Ultrafine particles: A review about their health effects, presence, generation, and measurement in indoor environments","volume":"216","author":"Marval","year":"2022","journal-title":"Build. Environ."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"2603","DOI":"10.1016\/S1352-2310(99)00489-6","article-title":"Indoor\/outdoor relationships of particulate matter in domestic homes with roadside, urban and rural locations","volume":"34","author":"Jones","year":"2000","journal-title":"Atmos. Environ."},{"key":"#cr-split#-ref_7.1","unstructured":"Ferreira Martins, V. (2023, June 22). Air Quality in Subway Systems: Particulate Matter Concentrations, Chemical Composition, Sources and Personal Exposure. TDX (Tesis Dr en Xarxa). 2016 April 27 [Cited 2019 April 23]"},{"key":"#cr-split#-ref_7.2","unstructured":"Ferreira Martins, V. 2016. Air Quality in Subway. Available online: http:\/\/www.tesisenred.net\/handle\/10803\/399787."},{"key":"ref_8","doi-asserted-by":"crossref","unstructured":"Kire\u0161ov\u00e1, S., Guzan, M., and Sobota, B. (2023). Using Low-Cost Sensors for Measuring and Monitoring Particulate Matter with a Focus on Fine and Ultrafine Particles. Atmosphere, 14.","DOI":"10.3390\/atmos14020324"},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"107","DOI":"10.15628\/holos.2013.1242","article-title":"Qualidade Do Ar\u2014Par\u00e2metros De Controle E Efeitos Na Sa\u00fade Humana: Uma Breve Revis\u00e3o","volume":"5","author":"Castro","year":"2014","journal-title":"Holos"},{"key":"ref_10","doi-asserted-by":"crossref","unstructured":"Sousa, M., Arezes, P., and Silva, F. (2021). Occupational exposure to ultrafine particles in metal additive manufacturing: A qualitative and quantitative risk assessment. Int. J. Environ. Res. Public Health, 18.","DOI":"10.3390\/ijerph18189788"},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"30","DOI":"10.1007\/s11051-016-3711-8","article-title":"Differential pattern of deposition of nanoparticles in the airways of exposed workers","volume":"19","author":"Fireman","year":"2017","journal-title":"J. Nanopart. Res."},{"key":"ref_12","first-page":"35","article-title":"The impact of ultrafine particles on daily counts of deaths from respiratory diseases in the Municipality of Ljubljana: A temporal variability study\u2014Sanitarno In\u017eenirstvo","volume":"10","author":"Kranjec","year":"2016","journal-title":"Int. J. Sanit. Eng. Res."},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"516","DOI":"10.1093\/annweh\/wxaa126","article-title":"Development of a Job-Exposure Matrix for Ultrafine Particle Exposure: The MatPUF JEM","volume":"65","author":"Gramond","year":"2021","journal-title":"Ann. Work Expo. Health"},{"key":"ref_14","unstructured":"Cassee, F.R., Morawska, L., and Peters, A. (2023, June 22). White Paper on Ambient Ultrafine Particles: Evidence for Policy Makers. \u201cThinking Outs box\u201d Team. Available online: https:\/\/efca.net\/files\/WHITE%20PAPER-UFP%20evidence%20for%20policy%20makers%20(25%20OCT).pdf."},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"100346","DOI":"10.1016\/j.impact.2021.100346","article-title":"Metal enriched quasi-ultrafine particles from stainless steel gas metal arc welding induced genetic and epigenetic alterations in BEAS-2B cells","volume":"23","author":"Boudjema","year":"2021","journal-title":"NanoImpact"},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1186\/s12995-018-0187-8","article-title":"Occupational exposure to ultrafine particles in police officers: No evidence for adverse respiratory effects","volume":"13","author":"Jordakieva","year":"2018","journal-title":"J. Occup. Med. Toxicol."},{"key":"ref_17","unstructured":"WHO (2021). Coast Estuar Process, WHO."},{"key":"ref_18","unstructured":"Wolf, J., Pr\u00fcss-Ust\u00fcn, A., Ivanov, I., Mugdal, S., Corval\u00e1n, C., Bos, R., Neira, M., and World Health Organization (2018). Preventing Disease Through a Healthier and Safer Workplace, World Health Organization. Available online: https:\/\/apps.who.int\/iris\/bitstream\/handle\/10665\/272980\/9789241513777-eng.pdf."},{"key":"ref_19","first-page":"30","article-title":"Occupational exposures and determinants of ultrafine particle concentrations during laser hair removal procedures","volume":"16","author":"Eshleman","year":"2017","journal-title":"Environ. Health Glob. Access Sci. Source"},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"24","DOI":"10.1016\/j.jaerosci.2016.02.007","article-title":"Lung-deposited surface area concentration measurements in selected occupational and non-occupational environments","volume":"96","author":"Geiss","year":"2016","journal-title":"J. Aerosol. Sci."},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"12153","DOI":"10.1021\/acs.est.5b02455","article-title":"Size-Resolved Ultrafine Particle Deposition and Brownian Coagulation from Gasoline Vehicle Exhaust in an Environmental Test Chamber","volume":"49","author":"Zhao","year":"2015","journal-title":"Environ. Sci. Technol."},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"860","DOI":"10.1093\/annhyg\/mew033","article-title":"Characterisation of Exposure to Ultrafine Particles from Surgical Smoke by Use of a Fast Mobility Particle Sizer","volume":"60","author":"Ragde","year":"2016","journal-title":"Ann. Occup. Hyg."},{"key":"ref_23","doi-asserted-by":"crossref","unstructured":"Marcias, G., Casula, M.F., Uras, M., Falqui, A., Miozzi, E., Sogne, E., Pili, S., Pilia, I., Fabbri, D., and Meloni, F. (2019). Occupational fine\/ultrafine particles and noise exposure in aircraft personnel operating in airport taxiway. Environments, 15.","DOI":"10.3390\/environments6030035"},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"1371","DOI":"10.3233\/JAD-181266","article-title":"Where Do Ultrafine Particles and Nano-Sized Particles Come From?","volume":"68","author":"Manigrasso","year":"2019","journal-title":"J. Alzheimer\u2019s Dis."},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"103677","DOI":"10.1016\/j.coal.2021.103677","article-title":"Comprehensive evaluation of potential coal mine dust emissions in an open-pit coal mine in Northwest China","volume":"235","author":"Trechera","year":"2021","journal-title":"Int. J. Coal Geol."},{"key":"ref_26","doi-asserted-by":"crossref","unstructured":"Marcias, G., Fostinelli, J., Catalani, S., Uras, M., Sanna, A.M., Avataneo, G., De Palma, G., Fabbri, D., Paganelli, M., and Lecca, L.I. (2018). Composition of metallic elements and size distribution of fine and ultrafine particles in a steelmaking factory. Int. J. Environ. Res. Public Health, 15.","DOI":"10.3390\/ijerph15061192"},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"828","DOI":"10.1080\/10473289.2002.10470823","article-title":"Continuous Monitoring of Ultrafine, Fine, and Coarse Particles in a Residence for 18 Months","volume":"52","author":"Wallace","year":"2002","journal-title":"J. Air Waste Manag. Assoc."},{"key":"ref_28","unstructured":"European Parliament and Council (2022). Proposal for a Directive of the European Parliament and of The Council on Ambient Air Quality and Cleaner Air for Europe, European Parliament and Council."},{"key":"ref_29","unstructured":"World Health Organization (2023, July 01). Methods for Sampling and Analysis of Chemical Pollutants in Indoor Air. Available online: https:\/\/www.euro.who.int\/en\/health-topics\/environment-and-health\/air-quality\/publications\/2020\/methods-for-sampling-and-analysis-of-chemical-pollutants-in-indoor-air-supplementary-publication-to-the-screening-tool-for-assessment-of-health-risks-from-combi."},{"key":"ref_30","doi-asserted-by":"crossref","first-page":"47","DOI":"10.1053\/j.semnuclmed.2018.10.015","article-title":"Lung Scintigraphy in the Assessment of Aerosol Deposition and Clearance","volume":"49","year":"2019","journal-title":"Semin. Nucl. Med."},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"25","DOI":"10.1016\/j.etap.2016.04.004","article-title":"Recent advances (2010\u20132015) in studies of cerium oxide nanoparticles\u2019 health effects","volume":"44","author":"Li","year":"2016","journal-title":"Environ. Toxicol. Pharmacol."},{"key":"ref_32","doi-asserted-by":"crossref","first-page":"4285","DOI":"10.1016\/j.atmosenv.2006.03.053","article-title":"Particle size characterization and emission rates during indoor activities in a house","volume":"40","author":"Hussein","year":"2006","journal-title":"Atmos. Environ."},{"key":"ref_33","doi-asserted-by":"crossref","first-page":"398","DOI":"10.1016\/j.measurement.2017.10.012","article-title":"Effect of minimum quantity lubrication (MQL) on fine and ultrafine particle emission and distribution during polishing of granite","volume":"114","author":"Songmene","year":"2018","journal-title":"Meas. J. Int. Meas. 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