{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T09:47:15Z","timestamp":1791798435996,"version":"4.3.4"},"reference-count":7,"publisher":"Oxford University Press (OUP)","issue":"8","license":[{"start":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T00:00:00Z","timestamp":1791158400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"funder":[{"name":"Department of Employment and Labour of South Africa"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,10,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Gravimetric weighing remains the gold standard for mass concentration assessments; however, real-time (RT) instruments offer advantages such as immediate feedback and temporal resolution. This study evaluated the comparability of Nanozen DustCount 9000 RT measurements with its gravimetric weighing in non-mining industrial environments.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>Task-based stationary sampling was conducted at 11 sites in the Gauteng Province, South Africa, producing 20 paired gravimetric and RT measurements. RT outputs were analyzed as raw (RT) and density-adjusted (adjusted-RT) values. Comparability was assessed using Wilcoxon signed-rank tests, Bland\u2013Altman analysis, and regression of proportional bias.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>No significant differences were observed between gravimetric and RT (P\u202f=\u202f0.067) or gravimetric and adjusted-RT (P\u202f=\u202f0.277). Bias increased with higher concentrations, but measurements below 1\u202fmg\/m3 showed no significant proportional bias (gravimetric versus RT: R2\u202f=\u202f0.06, P\u202f=\u202f0.34; gravimetric versus adjusted-RT: R2\u202f=\u202f0.02, P\u202f=\u202f0.59).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The RT measurements demonstrated close correspondence with gravimetric results obtained from the Nanozen DustCount 9000 built-in filter cassette, particularly at concentrations below 1\u202fmg\/m3, suggesting this threshold as a cutoff point for reliable agreement.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/annweh\/wxag086","type":"journal-article","created":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T12:01:17Z","timestamp":1790164877000},"source":"Crossref","is-referenced-by-count":0,"title":["Comparison of respirable dust concentrations between gravimetric weighing and real-time dust monitoring equipment in non-mining industries"],"prefix":"10.1093","volume":"70","author":[{"given":"Mathokone Jonas","family":"Shai","sequence":"first","affiliation":[{"name":"Occupational Hygiene Section, National Institute for Occupational Health, A Division of the National Health Laboratory Service , 25 Hospital street, Constitution Hill, Johannesburg 2000 ,","place":["South Africa"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lerato Perseverence","family":"Sebola","sequence":"additional","affiliation":[{"name":"Occupational Hygiene Section, National Institute for Occupational Health, A Division of the National Health Laboratory Service , 25 Hospital street, Constitution Hill, Johannesburg 2000 ,","place":["South Africa"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hlologelo","family":"Ramatsoma","sequence":"additional","affiliation":[{"name":"Epidemiology and Surveillance Section, National Institute for Occupational Health, A Division of the National Health Laboratory Service , 25 Hospital street, Constitution Hill, Johannesburg 2000 ,","place":["South Africa"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-1702-5585","authenticated-orcid":false,"given":"Karen Louise","family":"Du Preez","sequence":"additional","affiliation":[{"name":"Occupational Hygiene Section, National Institute for Occupational Health, A Division of the National Health Laboratory Service , 25 Hospital street, Constitution Hill, Johannesburg 2000 ,","place":["South Africa"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jeanneth","family":"Manganyi","sequence":"additional","affiliation":[{"name":"Occupational Hygiene Section, National Institute for Occupational Health, A Division of the National Health Laboratory Service , 25 Hospital street, Constitution Hill, Johannesburg 2000 ,","place":["South Africa"]},{"name":"School of Public Health, Faculty of Health Sciences, University of Witwatersrand , 27 st Andrews Road, Parktown, Johannesburg 2193 ,","place":["South Africa"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Monica Magdalena","family":"Young","sequence":"additional","affiliation":[{"name":"Occupational Hygiene Section, National Institute for Occupational Health, A Division of the National Health Laboratory Service , 25 Hospital street, Constitution Hill, Johannesburg 2000 ,","place":["South Africa"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2026,10,12]]},"reference":[{"key":"2026101205055551400_wxag086-B1","doi-asserted-by":"publisher","first-page":"107","DOI":"10.3389\/fpubh.2020.00107","article-title":"Can the South African milestones for reducing exposure to respirable crystalline silica and silicosis be achieved and reliably monitored?","volume":"8","author":"Brouwer","year":"2020","journal-title":"Front Public Health"},{"key":"2026101205055551400_wxag086-B2","first-page":"1","volume-title":"In: Methods for the determination of hazardous substances (MDHS 14\/4)","author":"Health and Safety Executive (HSE)","year":"2014"},{"key":"2026101205055551400_wxag086-B3","doi-asserted-by":"publisher","DOI":"10.4209\/aaqr.200631","article-title":"Performance evaluation of real-time DustTrak monitors for outdoor particulate mass measurements in a desert environment","volume":"21","author":"Javed","year":"2021","journal-title":"Aerosol Air Qual Res"},{"key":"2026101205055551400_wxag086-B4","doi-asserted-by":"publisher","first-page":"7","DOI":"10.1186\/s12989-024-00567-9","article-title":"Effective density of inhaled environmental and engineered nanoparticles and its impact on the lung deposition and dosimetry","volume":"21","author":"Lizonova","year":"2024","journal-title":"Part Fibre Toxicol."},{"key":"2026101205055551400_wxag086-B5","first-page":"1","volume-title":"9000-Z1 Dustcount\u00aeIS user manual (ISEx)","author":"Nanozen Industries Inc","year":"2019"},{"key":"2026101205055551400_wxag086-B6","doi-asserted-by":"publisher","DOI":"10.1590\/1806-3713\/e20170396","article-title":"Occupational exposure to dust: an underestimated health risk?","volume":"45","author":"Saleiro","year":"2019","journal-title":"J Bras Pneumol"},{"key":"2026101205055551400_wxag086-B7","doi-asserted-by":"publisher","first-page":"8","DOI":"10.53941\/wah.2025.100008","article-title":"Accuracy of real-time dust monitors in quarry settings: a pilot field and laboratory evaluation","volume":"1","author":"Tefera","year":"2025","journal-title":"Work Health"}],"container-title":["Annals of Work Exposures and Health"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/academic.oup.com\/annweh\/article-pdf\/70\/8\/wxag086\/71859904\/wxag086.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/academic.oup.com\/annweh\/article-pdf\/70\/8\/wxag086\/71859904\/wxag086.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T09:06:04Z","timestamp":1791795964000},"score":1,"resource":{"primary":{"URL":"https:\/\/academic.oup.com\/annweh\/article\/doi\/10.1093\/annweh\/wxag086\/8909097"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,10,5]]},"references-count":7,"journal-issue":{"issue":"8","published-print":{"date-parts":[[2026,10,5]]}},"URL":"https:\/\/doi.org\/10.1093\/annweh\/wxag086","relation":{},"ISSN":["2398-7308","2398-7316"],"issn-type":[{"value":"2398-7308","type":"print"},{"value":"2398-7316","type":"electronic"}],"subject":[],"published-other":{"date-parts":[[2026,11]]},"published":{"date-parts":[[2026,10,5]]},"article-number":"wxag086"}}