
Erik Rifkin is the president of an environmental consulting firm that specializes in the characterization of ecological and human health risks from exposure to soil, water, air and sediments. His firm provides assistance and guidance to federal and state regulatory agencies and corporations regarding the nature and magnitude of environmental risks and potential remediation strategies. Dr. Rifkin's broad experience includes the communication of health risks and benefits to groups concerned with these issues.
Edward J. Bouwer is Professor of Environmental Engineering at Johns Hopkins University in Baltimore, Maryland. He has extensive experience with water and soil pollution and treatment. His research providesguidance on defining and managing environmental risks and how to interpret human and ecological health risk data. Dr. Bouwer has served on several National Research Council committees that provide guidance on managing human and ecological risks to Congress, regulatory agencies, and the scientific community.
Guest Author Bob Sheff, MD, received his medical training as a radiologist at UCLA and Johns Hopkins Medical Center. He spent his career praticing medicine and running one of the largest medical managed-care systems in the U.S. Now semi-retired, he devotes his time to helping non-profit organizations and individual people addess their medical concerns. He lives in Columbia, MD.