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Gary E. Mosher, CIH

Senior Managing Scientist

Occupational & Environmental Health

Professional Profile


Mr. Mosher is a certified industrial hygienist with extensive experience (30+ years) in health, safety, and environmental issues, primarily in the foundry and related industries. He is recognized as an expert on all aspects of silica within the domestic and international metalcasting industry and related supplier industries. He provides litigation support as either an expert consultant or witness in toxic tort–product liability lawsuits involving silica.

Mr. Mosher’s metalcasting industry experience spans a number of classic occupational health areas including heavy metals, thermal decomposition products, carbon monoxide, and noise. His experience as a director of an accredited industrial hygiene laboratory adds an understanding of analysis and its limitations. This understanding, coupled with his years of gathering personal air samples, provides a seasoned perspective on the use and application of exposure data.

Mr. Mosher’s work developing emission factors for foundry process were adapted into state air toxics regulations in the mid 1990’s. These factors also were incorporated into pollution codes in other parts of the world such as Australia and Italy. Later work earned Mr. Mosher a best paper awards from the American Foundry Society 2004 and 2007.

Mr. Mosher’s experience include represented the foundry industry in all relevant environmental health and safety matters relating to silica before professional societies, state and federal regulatory agencies and/or advisory committees, elected officials within state legislatures and members of U.S. Congress. These activities culminated in him being presented with the 2005 AFS Environmental, Health and Safety Service Award. This annual award is presented to individuals who have greatly contributed to improving environmental, health and safety within the metal casting industry.

  • M.S., Industrial Health, University of Michigan, Ann Arbor, 1975
  • B.S., Environmental Science Engineering, University of Michigan, Ann Arbor, 1974

    • Diplomate, American Board of Industrial Hygiene, #1592