AIHA | Protecting Worker Health www.aiha.org
JANUARY 2020
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CONTENTS
CONTRIBUTORS
VERONICA STANLEY, FEATURE AUTHOR
Veronica Stanley, MSPH, CIH, CSP, CESCP, works as adjunct faculty in Workforce Development at Harrisburg Area Community College.
ROY T. MCKAY, FEATURE AUTHOR
Roy T. McKay, PhD, is professor emeritus with the University of Cincinnati.  
PENNEY M. STANCH,  FEATURE AUTHOR
Penney M. Stanch, CIH, CSP, CPE, is a senior consultant with Baer Engineering and Environmental Consulting, Inc., in Austin, Texas.
ON AIHA.ORG
COMING IN FEBRUARY:
Bloodborne Pathogens Outside Healthcare Settings | Combustible Dust: Conducting a Dust Hazard Analysis | Trends in Remote Health Monitoring
The Synergist's mission is to provide AIHA members with news and information about the occupational and environmental health and safety fields and the industrial hygiene profession. The Synergist focuses on industry trends and news, government and regulatory activities, key issues facing the profession, appropriate technical information and news on association events and activities.
The Synergist's objective is to present information that is newsworthy and of general interest in industrial hygiene. Opinions, claims, conclusions, and positions expressed in this publication are the authors' or persons' quoted and do not necessarily reflect the opinions of the editors, AIHA, or The Synergist.


ADVANCES IN UNDERSTANDING NOISE EXPOSURES 
KEY FINDINGS FROM THE NATIONAL OCCUPATIONAL RESEARCH AGENDA FOR HEARING LOSS PREVENTION The new NIOSH agenda for hearing loss prevention research contains significant new insights from the latest science concerning hearing loss, which impacts communication in the workplace. The document also presents critical new information regarding age correction and vulnerable populations.

BY VERONICA STANLEY
»
RESPIRATOR USE AT HIGH ALTITUDES
EXAMINING A COMMON MISUNDERSTANDING ABOUT ATMOSPHERE-SUPPLYING RESPIRATORS
Does an SCBA (self-contained breathing apparatus) respirator protect wearers from oxygen-deficient atmospheres due to increasing altitude? The answer may surprise you.    

BY ROY T. MCKAY
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EXERCISING JUDGMENT WITH OFFICE FURNITURE
ARE “ACTIVE WORKSTATIONS” THE SOLUTION TO EXCESSIVE SITTING?
More employees are requesting to incorporate treadmills, stationary bicycles, exercise balls, and sit-stand desks into workstations. While the health benefits of these “active” workstations may appear obvious, occupational health and safety professionals need to consider their potential impacts on workplace safety and productivity.     
  
BY PENNEY M. STANCH, MARJORIE WERRELL, ALBERT MOORE, AND STEPHEN W. HEMPERLY
»
Advances in Understanding Noise Exposures
Key Findings from the National Occupational Research Agenda for Hearing Loss Prevention
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