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Scientific Research Studies in PPE - Performance Challenges (AIHce EXP 2019 OnDemand)
Recorded at AIHce EXP 2019

Earn 1 Contact Hour

Challenges with Existing ASTM Standard in Permeation Studies on Personal Protective Equipment

This study was to evaluate reliability of the existing American Society for Testing and Materials (ASTM) F739-2012 permeation testing method on disposable nitrile gloves for nonvolatile compounds. A moving robotic hand model was developed to simulate real world working condition while employees are exposed to solvents, such as Limonene. Results were compared with the ASTM method. Permeation studies through ASTM model on Kimberly Clark Professional disposable nitrile gloves (blue and sterling) with Limonene indicates a standardized breakthrough time of 70 and 15 min respectively. The standardized breakthrough time for the moving robotic hand was 30, and 5 min, on blue and sterling gloves. This study identifies several shortcomings which have been overlooked while conducting permeation studies using ASTM permeation testing by glove manufacturing companies. Such gloves should not be used as PPE for exposure to limonene, even for short periods of exposures.
Co-Authors / Acknowledgements & References
Professor Shane Que Hee, UCLA Fielding School of Public Health, Los Angeles, CA, USA.
Sean Banaee, PhD, CIH, CSP, Old Dominion University Norfolk, VA
United States of America

Evaluation of CBRN Canister Protection Levels Compared to SCBA in Overhaul Environments
Firefighters are exposed to a hazardous environment during overhaul and need appropriate respiratory protection. An air-purifying respirator with multipurpose cartridge was previously found to provide inadequate protection during overhaul, leading to the current recommendation to use self-contained breathing apparatus (SCBA). Chemical, biological, radiological and nuclear (CBRN) canisters have the potential to provide a higher level of protection than standard multipurpose cartridges. This study evaluated CBRN canisters protection against SCBAs. The two parts of the study were: 1) simulated overhaul settings with average products of combustion concentrations typically found in actual overhaul settings (henceforth termed typical overhaul); and 2) with average products of combustion more representative of the highest actual overhaul settings (henceforth termed high-exposure overhaul).
Co-Authors / Acknowledgements & References
Richard Root, Yuma Fire Department, Yuma, AZ USA. John Gulotta, Tucson Fire Department, Tucson, AZ USA. Ryder Hartley, Northwest Fire District, Tucson, AZ USA. Lee Greenwald, PhD, National Personal Protective Technology Laboratory (NIOSH), Morgantown, WV USA. Gary Walbert, National Institute for Occupational Safety and Health, Pittsburgh, PA USA. Jeffery Burgess, MD, MS, MPH and Stephanie Griffin, PhD, CIH, The University of Arizona, Tucson, AZ, USA.
Mr. Shawn Staack, MPH, University of Arizona Tucson, AZ
United States of America

Stock #: AOD19_C1
ISBN #: 

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