C.S.
http://www.bisphenolafree.org/
http://zrecs.blogspot.com/2007/12/bpa-in-infant-formula-n...
http://zrecs.blogspot.com/2007/11/z-report-bisphenol-in-b...
Here are some websites you can look at.
From what I've read, I feel like there is a real risk. It seems that some of the companies are willing to switch or in the process of switching... so it seems they are looking at the evidence and research.