• Blythe Mansfield, MD, Chief Medical Officer for Unilever, NA, formerly of Kelsey Seybold Occupational Medicine, shared information about what air pollution is, kinds of exposure, and specifics about the EPA’s criteria pollutants, benzene, and 1-3, butadiene. She also described environmental and occupational causes of health problems and EPA’s proposed actions to advance environmental justice related to the topic.  Dr. Mansfield’s professional background includes working with chemical companies to reduce employee exposure and engage employees in their own health; and working in the public health sector.