BPA is only part of the story. For their study, researchers tested more than 500 BPA-free consumer products for other estrogenically active chemicals and found that 92 % of the products readily leached the potentially hazardous compounds. Leaching was more common when products experienced ordinary stresses like dishwashing, microwaving and exposure to sunlight.
Read Are BPA-Free Plastics Really Safe?
by Mike Usey, LiveScience, 13 March 2011