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Engineered carbonaceous nanomaterials manufacturers in the United States: workforce size, characteristics, and feasibility of epidemiologic studies.

Authors
Schubauer-Berigan-MK; Dahm-MM; Yencken-MS
Source
J Occup Environ Med 2011 Jun; 53(6S):S62-S67
NIOSHTIC No.
20038920
Abstract
Objective: Toxicology studies suggest that carbon nanotube (CNT) exposures may cause adverse pulmonary effects. This study identified all US engineered carbonaceous nanomaterial (ECN) manufacturers, determined workforce size and growth, and characterized the materials produced to determine the feasibility of occupational ECN exposure studies. Methods: Eligible companies were identified; information was assembled on the companies and nanomaterials they produced; and the workforce size, location, and growth were estimated. Results: Sixty-one companies manufacturing ECN in the United States were identified. These companies employed at least 620 workers; workforce growth was projected at 15 percent to 17 percent annually. Most companies produced or used CNT. Half the eligible companies provided information about material dimensions, quantities, synthesis methods, and worker exposure reduction strategies. Conclusions: Industrywide exposure assessment studies appear feasible; however, cohort studies are likely infeasible because of the small, scattered workforce.
Keywords
Nanotechnology; Nanotubes; Nanotoxicology; Hazardous-materials; Toxic-materials; Toxicology; Respiratory-system-disorders; Pulmonary-system-disorders; Lung-disorders; Engineering; Workplace-monitoring; Workplace-studies; Employee-exposure; Epidemiology; Exposure-assessment; Industrial-engineering; Industrial-exposures; Chemical-manufacturing-industry;
Contact
Mary K. Schubauer-Berigan, PhD, National Institute for Occupational Safety and Health; Division of Surveillance, Hazard Evaluations, and Field Studies, Industrywide Studies Branch, 4676 Columbia Parkway, MS-R15, Cincinnati, OH 45226
CODEN
JOEMFM
Publication Date
20110601
Document Type
Journal Article
Email Address
zcg3@cdc.gov
Fiscal Year
2011
NTIS Accession No.
NTIS Price
ISSN
1076-2752
NIOSH Division
DSHEFS
Priority Area
Manufacturing
Source Name
Journal of Occupational and Environmental Medicine
State
OH; WA
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