"This article by investigative journalist Sheila Kaplan is the first in a series supported by the Investigative Reporting Workshop at American University's School of Communication. Politics Daily will publish the remaining installments in the weeks to come.
Fire retardants in baby blankets, nano-particles in cosmetics, plastics in water bottles and anti-bacterial agents in soaps.
Experts call these and other chemicals emerging contaminants -- compounds that were once thought to be safe, but which scientists now believe may pose a danger to human health.
How those chemicals get into your house -- and your bloodstream -- is no surprise: Loopholes in the federal law that regulates toxic chemicals have allowed manufacturers to sell them without first proving they are safe."