Disputed chemical bisphenol-A found in paper receipts

Disputed chemical bisphenol-A found in paper receipts
http://www.washingtonpost.com/wp-dyn/content/article/2010/07/26/AR2010072605001.html

"As lawmakers and health experts wrestle over whether a controversial chemical, bisphenol-A, should be banned from food and beverage containers, a new analysis by an environmental group suggests Americans are being exposed to BPA through another, surprising route: paper receipts."