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A retrospective assessment of occupational exposure to elemental carbon in the US trucking industry.

Authors
Vermeulen-R; Attfield-M; Stewart-PA; Coble-JB; Blair-A; Lubin-JH; Silverman-DT
Source
Environ Health Perspect 2012 Aug; 120(8):A302
NIOSHTIC No.
20041707
Abstract
The widespread use of diesel engines has raised concerns regarding the potential health effects from diesel exhaust (DE) exposure. We recently published four papers on the historical exposure assessment of DE in eight non-metal mining facilities (Coble et al. 2010; Stewart et al. 2010; Vermeulen et al. 2010a, 2010b) as part of a cohort and lung cancer case-control study among non-metal miners. Davis et al. (2011) commented recently that our exposure assessment may have had exposure misclassification bias because of our use of carbon monoxide (CO) for historical extrapolation of current respirable elemental carbon (EC) exposure levels. Here we clarify our use of CO to back-extrapolate underground EC levels. Although our estimates are subject to random variation, there is no evidence that there were systematic biases that would have caused differential exposure misclassification.
Keywords
Truck-drivers; Trucking; Diesel-emissions; Diesel-exhausts; Exposure-assessment; Mining-industry; Mining-equipment; Underground-mining; Nonmetal-mining; Statistical-quality-control; Quality-control; Surveillance
Contact
Debra T. Silverman, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
CODEN
EVHPAZ
CAS No.
7440-44-0; 630-08-0
Publication Date
20120801
Document Type
Other
Email Address
silvermd@mail.nih.gov
Fiscal Year
2012
NTIS Accession No.
NTIS Price
Issue of Publication
8
ISSN
0091-6765
NIOSH Division
DRDS
Priority Area
Mining
Source Name
Environmental Health Perspectives
State
WV; MD
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