Hazard Evaluations and Technical Assistance Branch, Division of Surveillance, Hazard Evaluations, and Field Studies, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, Cincinnati, Ohio.
Address correspondence to: Catherine C. Beaucham, MPH, CIH, RS/REHS, 1090 Tusculum Avenue, Mailstop R-11, Cincinnati, OH 45226 (firstname.lastname@example.org).
This work was supported by the National Institute for Occupational Safety and Health, a U.S. federal government agency.
Analytical Support for this study was provided by Bureau Veritas North America; Desktop Publisher: Shawna Watts; Editor: Ellen Galloway; Logistics: Donnie Booher and Karl Feldmann; Medical Field Assistance: Barbara MacKenzie.
The findings and conclusions in this report are those of the author(s) and do not necessarily represent the official position of the National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention.
The authors have no conflict of interest to declare.