found it - from March 2007 EWG e-newsletter Bulletin...    
http://www.ewg.org/node/22621    

 >>  Canned baby formula laced with toxic chemical
A recent EWG investigation found the toxic plastics compound Bisphenol A 
in more than half of our samples of canned fruit, vegetables, soda, 
and--with the highest levels of all--in canned baby formula. BPA is used 
in the resin lining of the cans and is linked to birth defects of the 
male and female reproductive systems.

Our advice? Avoid canned foods when possible and use powdered baby 
formula rather than canned.    <<

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