Dr. B. Rey de Castro is a statistician and environmental health researcher with extensive experience in biostatistics, environmental epidemiology, exposure assessment, risk assessment, toxicology, and policy. Dr. de Castro utilizes his multi-disciplinary capabilities to elucidate the health consequences of environmental exposures, with emphasis on such pollutants as airborne particulate matter, black carbon, PAHs, acrolein, VOCs, perchlorate, and tobacco-related compounds.