Factors Influencing Dust Exposure: Finishing Activities in Drywall Construction.
Sanding drywall joint compound is a dusty construction activity. We studied potential factors influencing exposure to respirable and total dust for sanders and bystanders in the area of drywall joint compound finishing in 17 test events within a room-scale isolation chamber. We found the air change...
| Publicado en: | Journal of Occupational & Environmental Hygiene Vol. 8; no. 5; pp. 324 - 337 |
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| Autores principales: | , , |
| Formato: | equations & formulas pictorial research tables/charts Journal Article |
| Publicado: |
Taylor & Francis Ltd
May2011
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=104564994&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 104564994 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 15459624 V1L jtl: Journal of Occupational & Environmental Hygiene issn: 15459624 maglogo: Y pubinfo: dt: May2011 vid: 8 iid: 5 pid: 377 pub: Taylor & Francis Ltd place: Philadelphia, Pennsylvania artinfo: ui: 104564994 75127935 10.1080/15459624.2011.570239 NLM21491324 104564994 ppf: 324 ppct: 13 formats: fmt: @attributes: type: P tig: atl: Factors Influencing Dust Exposure: Finishing Activities in Drywall Construction. aug: au: Simmons, Catherine E. Jones, Rachael M. Boelter, Fred W. affil: ENVIRON International Corporation, Chicago, Illinois sug: subj: Construction Industry Dust Adverse Effects Environmental Exposure Work Environment Occupational Exposure Respiratory Protective Devices Utilization Random Sample National Institute for Occupational Safety and Health One-Way Analysis of Variance T-Tests Mann-Whitney U Test Null Hypothesis Evaluation Research ab: Sanding drywall joint compound is a dusty construction activity. We studied potential factors influencing exposure to respirable and total dust for sanders and bystanders in the area of drywall joint compound finishing in 17 test events within a room-scale isolation chamber. We found the air change rate to be negatively correlated with dust Ctwa both in the sander's personal breathing zone and surrounding area. We could not conclude that sanding tool type systematically influences dust Ctwa, but the use of 80-grit abrasive was associated with the highest dust Ctwa. We found respirable dusts were uniformly dispersed 1-8.2 m from sanding activities at a fixed location. As anticipated, both respirable and total dust Ctwa in the sander's personal breathing zone are higher than in the surrounding area. The respirable fraction of the total dust mass Ctwa was greater in the surrounding area than in the sander's personal breathing zone. Respirable dust concentrations measured in real time increased over the duration of sanding, exhibiting a temporal trend that is similar to that predicted by the well-mixed box model with contaminant removal by mechanical ventilation only, and continuous emission. Dust concentrations returned to pre-activity (background) levels 2-4 hr after cessation of the sanding activity. pubtype: Academic Journal doctype: equations & formulas pictorial research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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