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Occupational exposure to organic solvents during bridge painting.

Authors
Qian-H; Fiedler-N; Moore-DF; Weisel-CP
Source
Ann Occup Hyg 2010 Jun; 54(4):417-426
NIOSHTIC No.
20039750
Abstract
Exposure to volatile organic compounds (VOCs) from bridge painting was measured in New York City and New Jersey during the summer and fall seasons from 2005 to 2007. The effect of painting activities (paint coating layer, confinement setup, and application method) and meteorological conditions (temperature, humidity, and wind speed) on solvent exposure to aromatic, ketone, ester, and alkane compounds were individually evaluated. Mixed-effect models were used to examine the combination effects of these factors on the air concentration of total VOCs as the individual compound groups were not present in all samples. Air concentration associated with spraying was not affected by meteorological conditions since spraying was done in a confined space, thus reducing their impact on solvent air concentration. The mixed models for brushing and rolling samples included two fixed factors, i.e. application method and temperature, and one random factor, i.e. sampling day. An independent dataset (daily air samples) was used to validate the mixed model constructed for brushing and rolling samples. The regression line of the predicted values and actual measurements had a slope of 1.32 +/- 0.15 for daily brushing and rolling samples, with almost all points being within the 95% confidence bands. The constructed model provides practical approaches for estimating the solvent exposure from brushing and rolling activities among construction painters. An adjusted mean air concentration derived from the activity-specific spray samples was the best estimate for that painting application
Keywords
Exposure-levels; Exposure-limits; Environmental-hazards; Environmental-factors; Environmental-exposure; Painters; Painting; Paints; Solvents; Solvent-vapors; Paint-spraying; Volatiles; Models; Alkanes; Esters; Ketones; Aromatic-hydrocarbons; Neurological-reactions; Neurological-system
CODEN
AOHYA3
Publication Date
20100601
Document Type
Journal Article
Email Address
weisel@eohsi.rutgers.edu
Funding Type
Grant
Fiscal Year
2010
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-008198; B10122011
Issue of Publication
4
ISSN
0003-4878
Source Name
Annals of Occupational Hygiene
State
NJ; PA
Performing Organization
University of Medicine and Dentistry of New Jersey-Robert Wood Johnson Medical School, Piscataway, New Jersey
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