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Dr. John Richards to Speak at the IMA-NA 2015 Annual Meeting

Posted By Darrell Smith, Thursday, July 23, 2015

Ambient Respirable Crystalline Silica

Dr. John Richards will be addressing the general session of the IMA-NA 2015 Annual Meeting during the luncheon on Thursday, September 17.  Dr. Richards will be discussing ambient silica and his work measuring silica concentrations at the fence lines of sand plants.

About Dr. Richards
John Richards, Ph.D., PE of Air Control Techniques, P.C. of Cary, North Carolina is one of the country’s top experts in the measurement of respirable crystalline silica. Dr. Richards began testing for crystalline silica emissions and fence line concentrations in the mid 1990’s and in 2005 developed the ambient crystalline silica measurement method that is now in widespread use. He conducted  numerous upwind-downwind studies of ambient or airborne silica in the Los Angeles area from 2005 through 2009. 

Dr. Richards began his career at what was then called the National Air Pollution Control Administration (NAPCA) of the U.S. Public Health Service, which in 1970 was absorbed into the newly formed U.S. Environmental Protection Agency (EPA). He was a consultant to the EPA’s Air Pollution Training Institute (APTI) for approximately 20 years, presenting classroom, satellite, and in-field training programs to EPA regional offices and state enforcement agencies in more than 40 states.

Dr. Richards’ wrote many of the Institute’s air pollution control and source inspection courses, some of which are still in use today.

To register for the Annual Meeting, click here.

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