Wood Dust in Joineries and Furniture Manufacturing: An Exposure Determinant and Intervention Study.

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dc.citation.issue4
dc.citation.volume61
dc.contributor.authorDouwes J
dc.contributor.authorCheung K
dc.contributor.authorPrezant B
dc.contributor.authorSharp M
dc.contributor.authorCorbin M
dc.contributor.authorMcLean D
dc.contributor.author't Mannetje A
dc.contributor.authorSchlunssen V
dc.contributor.authorSigsgaard T
dc.contributor.authorKromhout H
dc.contributor.authorLaMontagne AD
dc.contributor.authorPearce N
dc.contributor.authorMcGlothlin JD
dc.date.available2017-05-01
dc.date.available2017-02-19
dc.date.issued1/05/2017
dc.description.abstractOBJECTIVES: To assess wood dust exposures and determinants in joineries and furniture manufacturing and to evaluate the efficacy of specific interventions on dust emissions under laboratory conditions. Also, in a subsequent follow-up study in a small sample of joinery workshops, we aimed to develop, implement, and evaluate a cost-effective and practicable intervention to reduce dust exposures. METHODS: Personal inhalable dust (n = 201) was measured in 99 workers from 10 joineries and 3 furniture-making factories. To assess exposure determinants, full-shift video exposure monitoring (VEM) was conducted in 19 workers and task-based VEM in 32 workers (in 7 joineries and 3 furniture factories). We assessed the efficacy of vacuum extraction on hand tools and the use of vacuum cleaners instead of sweeping and dry wiping under laboratory conditions. These measures were subsequently implemented in three joinery workshops with 'high' (>4 mg m-3) and one with 'low' (<2 mg m-3) baseline exposures. We also included two control workshops (one 'low' and one 'high' exposure workshop) in which no interventions were implemented. Exposures were measured 4 months prior and 4 months following the intervention. RESULTS: Average (geometric means) exposures in joinery and furniture making were 2.5 mg m-3 [geometric standard deviations (GSD) 2.5] and 0.6 mg m-3 (GSD 2.3), respectively. In joinery workers cleaning was associated with a 3.0-fold higher (P < 0.001) dust concentration compared to low exposure tasks (e.g. gluing), while the use of hand tools showed 3.0- to 11.0-fold higher (P < 0.001) exposures. In furniture makers, we found a 5.4-fold higher exposure (P < 0.001) with using a table/circular saw. Laboratory efficiency experiments showed a 10-fold decrease in exposure (P < 0.001) when using a vacuum cleaner. Vacuum extraction on hand tools combined with a downdraft table reduced exposures by 42.5% for routing (P < 0.1) and 85.5% for orbital sanding (P < 0.001). Following intervention measures in joineries, a borderline statistically significant (P < 0.10) reduction in exposure of 30% was found in workshops with 'high' baseline exposures, but no reduction was shown in the workshop with 'low' baseline exposures. CONCLUSIONS: Wood dust exposure is high in joinery workers and (to a lesser extent) furniture makers with frequent use of hand tools and cleaning being key drivers of exposure. Vacuum extraction on hand tools and alternative cleaning methods reduced workplace exposures substantially, but may be insufficient to achieve compliance with current occupational exposure limits.
dc.description.publication-statusPublished
dc.format.extent416 - 428
dc.identifierhttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000410530600005&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=c5bb3b2499afac691c2e3c1a83ef6fef
dc.identifier.citationANNALS OF WORK EXPOSURES AND HEALTH, 2017, 61 (4), pp. 416 - 428
dc.identifier.doi10.1093/annweh/wxx020
dc.identifier.eissn2398-7316
dc.identifier.elements-id340371
dc.identifier.harvestedMassey_Dark
dc.identifier.issn2398-7308
dc.identifier.urihttps://hdl.handle.net/10179/11891
dc.relation.isPartOfANNALS OF WORK EXPOSURES AND HEALTH
dc.relation.urihttps://academic.oup.com/annweh/article/61/4/416/3064331
dc.subjectexposure
dc.subjectintervention
dc.subjectjoinery workers
dc.subjectvideo exposure monitoring
dc.subjectwood dust
dc.titleWood Dust in Joineries and Furniture Manufacturing: An Exposure Determinant and Intervention Study.
dc.typeJournal article
pubs.notesNot known
pubs.organisational-group/Massey University
pubs.organisational-group/Massey University/College of Health
pubs.organisational-group/Massey University/College of Health/Research Centre for Hauora and Health
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