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REGION: North America
TOPIC: Health
Online NewsHour
FORUM
Posted: October 30, 2007

Experts Discuss Bisphenol A

Forum Introduction
Baby bottle: Photo credit FDA The chemical bisphenol A (BPA) is used to make many plastic products used in American homes, including baby bottles. Recently, two expert panels examined whether BPA is likely to have adverse effects on human health. Two scientsts answered your questions on BPA.
QUESTIONS
Is there an online source to determine which plastics contain BPA?
Does my filtered water pitcher contain BPA?
What is my likely exposure level to BPA? What level is dangerous?
How does BPA get from a plastic water bottle into the water?
Do softer plastic bottles contain BPA?
Does BPA pose a risk to me as an adult?
Should I have my baby tested for exposure to BPA?
How may patients be exposed to BPA through dental sealants?
Does heat affect the release of BPA?
Greg of Needham, Mass., asks
Is there an online source to determine which plastics contain BPA? Does the recycle triangle number indicate detail on composition?
ANSWERS
Retha Newbold responds:
Retha Newbold responds:

There is currently no way to tell which plastics contain BPA or what levels are present in products but data suggests that its use in consumer products is increasing yearly. The recycle triangle doesn't address BPA content however #7 category, which is mainly polycarbonate plastics used in baby bottles, water bottles, "sport" water bottles, metal food can liners, "sippy" cups and some clear plastic cutlery all have been reported to contain measureable levels of BPA. Still there is no way to tell about other plastics.

Earl Gray responds:
Earl Gray responds:

There are many, many sources of information about BPA in plastics on the Web. Some are from NGOs and others are industry Web sites. I would suggest that one just search on google or some other search engine for "BPA plastics" and read a variety of these from both sides of the issue to get a balanced idea of the controversy about this chemical and its purported toxicity.

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