Posts Tagged ‘ BPA receipts ’

BPA Paper Tigers: “Check The Receipts”

October 22nd, 2009. By Hunter West

As LawyersandSettlements revealed today there is a new and disturbing source of bisphenol-A (BPA). 

Move over, plastic water bottles. Enter the cash register and credit card receipt. Something we handle every day, keep in our wallets, pile on top of our desks…. 

According to John C. Warner, of the Warner Babcock Institute of Green Chemistry in Wilmington, Massachusetts BPA contained in electronic cash register and credit card receipts has been a problem for some time. 

It was about ten years ago when BPA first appeared on the radar screen, a time when Babcock was teaching green chemistry at the University of Massachusetts. His former career with Polaroid taught him a thing or two about thermal imagining papers, a subject he talked about in an interview with ScienceNews published on October 7^th. 

Manufacturers would coat a powdery layer of BPA onto one side of a piece of paper together with an invisible ink, he said. “Later, when you applied pressure or heat, they would merge together and you’d get color.” 

At the time, in the ’90s he thought little about the technology, he told ScienceNews, other than the fact he thought it was clever. However, when the health concerns about BPA began to emerge, he looked into it further—and he was in a perfect position to do so. As a professor of green chemistry at the University of Massachusetts, he had a ready gang Read the rest of this entry »

Tags: BPA, BPA receipts
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