State study: Low levels of perchlorate affect infants

State study: Low levels of perchlorate affect infants
http://www.pe.com/localnews/stories/PE_News_Local_D_perchlorate11.1edf645.html

"A new analysis by state scientists found that low levels of a rocket fuel chemical common in Inland drinking water supplies appear to be more harmful to newborn babies than previously believed, prompting calls for a tougher limit for tap water."