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A model to estimate worker exposure to spray paint mists.

Authors
Carlton-GN; Flynn-MR
Source
Appl Occup Environ Hyg 1997 May; 12(5):375-382
NIOSHTIC No.
00237136
Abstract
An empirical model for the estimation of worker exposure was based on dimensional analysis and predicted breathing zone concentrations of paint mist during spray painting activities. A laboratory wind tunnel was used with a mannequin, flat plate, and spray nozzle to develop the model. Using the model it was possible to successfully explain the variability in the average breathing zone concentration of the mannequin within measurement uncertainty. A significant effect on breathing zone concentrations was demonstrated by the orientation of the mannequin to the free stream. The concentration of the breathing zone was affected by a dimensionless quantity which consisted of spray nozzle pressure, mannequin height, liquid viscosity, and average free stream velocity. While the authors note that differences between the setup used in the experimental study and the conditions actually found in the workplace may limit the usefulness of their model, they suggest that their findings indicate there is good potential for empirical/conceptual models which are based on dimensional analysis to be able to usefully predict breathing zone concentrations. Such findings could result in more effective control interventions and reduced exposures to the workforce.
Keywords
NIOSH-Grant; NIOSH-Publication; Grants-other; Spray-painting; Paints; Air-quality-monitoring; Painters; Inhalants; Air-flow; Fluid-mechanics
Contact
Environmental Sciences & Engr University of North Carolina CB 7400 Rosenau Chapel Hill, NC 27599-7400
CODEN
AOEHE9
Publication Date
19970501
Document Type
Journal Article
Funding Amount
463513
Funding Type
Grant
Fiscal Year
1997
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-02858
Issue of Publication
5
ISSN
1047-322X
Priority Area
Other Occupational Concerns; Grants-other
Source Name
Applied Occupational and Environmental Hygiene
State
NC
Performing Organization
University of North Carolina Chapel Hill, Chapel Hill, North Carolina
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