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dc.contributor.authorNafees, Asaad Ahmeden_UK
dc.contributor.authorIqbal, Abdul Rehmanen_UK
dc.contributor.authorCullinan, Paulen_UK
dc.contributor.authorMatteis, Saraen_UK
dc.contributor.authorBurney, Peteren_UK
dc.contributor.authorSemple, Seanen_UK
dc.description.abstractObjective There is a lack of consensus on methods for cotton dust measurement in the textile industry, and techniques vary between countries—relying mostly on cumbersome, traditional approaches. We undertook comparisons of standard, gravimetric methods with low-cost optical particle counters for personal and area dust measurements in textile mills in Pakistan. Methods We included male textile workers from the weaving sections of seven cotton mills in Karachi. We used the Institute of Occupational Medicine (IOM) sampler with a Casella Apex 2 standard pump and the Purple Air (PA-II-SD) for measuring personal exposures to inhalable airborne particles (n = 31). We used the Dylos DC1700 particle counter, in addition to the two above, for area-level measurements (n = 29). Results There were no significant correlations between the IOM and PA for personal dust measurements using the original (r = −0.15, P = 0.4) or log-transformed data (r = −0.32, P = 0.07). Similarly, there were no significant correlations when comparing the IOM with either of the particle counters (PA and Dylos) for area dust measurements, using the original (r = −0.07, P = 0.7; r = 0.10, P = 0.6) or log-transformed data (r = −0.09, P = 0.6; r = 0.07, P = 0.7). Conclusion Our findings show a lack of correlation between the gravimetric method and the use of particle counters in both personal and area measurements of cotton dust, precluding their use for measuring occupational exposures to airborne dust in textile mills. There continues to be a need to develop low-cost instruments to help textile industries in low- and middle-income countries to perform cotton dust exposure assessment.en_UK
dc.publisherOxford University Pressen_UK
dc.relationNafees AA, Iqbal AR, Cullinan P, Matteis S, Burney P & Semple S (2021) Use of Low-Cost Particle Counters for Cotton Dust Exposure Assessment in Textile Mills in Low- and Middle-Income Countries. Annals of Work Exposures and Health.
dc.rights© The Author(s) 2021. Published by Oxford University Press on behalf of the British Occupational Hygiene Society. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.en_UK
dc.subjectcotton fibresen_UK
dc.subjecttextile industryen_UK
dc.subjectexposure assessmenten_UK
dc.subjectdeveloping countriesen_UK
dc.titleUse of Low-Cost Particle Counters for Cotton Dust Exposure Assessment in Textile Mills in Low- and Middle-Income Countriesen_UK
dc.typeJournal Articleen_UK
dc.citation.jtitleAnnals of Work Exposures and Healthen_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.funderThe Wellcome Trusten_UK
dc.description.notesOutput Status: Forthcoming/Available Onlineen_UK
dc.contributor.affiliationAga Khan Universityen_UK
dc.contributor.affiliationAga Khan Universityen_UK
dc.contributor.affiliationImperial College Londonen_UK
dc.contributor.affiliationImperial College Londonen_UK
dc.contributor.affiliationImperial College Londonen_UK
dc.contributor.affiliationInstitute for Social Marketingen_UK
rioxxterms.apcnot requireden_UK
rioxxterms.typeJournal Article/Reviewen_UK
local.rioxx.authorNafees, Asaad Ahmed|en_UK
local.rioxx.authorIqbal, Abdul Rehman|en_UK
local.rioxx.authorCullinan, Paul|en_UK
local.rioxx.authorMatteis, Sara|en_UK
local.rioxx.authorBurney, Peter|en_UK
local.rioxx.authorSemple, Sean|0000-0002-0462-7295en_UK
local.rioxx.projectProject ID unknown|The Wellcome Trust|en_UK
Appears in Collections:Faculty of Health Sciences and Sport Journal Articles

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