By Beth Daley, Globe Staff UPDATE: Some readers alerted us that
some answers are outdated. We apologize. We have removed
outdated questions below. For more information, go to
www.healthytomorrow.org or www.ewg.org I wrote a story in
today's paper about citizen pressure being placed on the state
to ban bisphenol A, the common chemical that can found in baby
bottles and infant formula. I'm also getting a lot of questions
from people about BPA in a host of other products and thought it
a good idea to republish a Q and A we did about a year ago with
Mia Davis, a BPA expert with the National Work Group for Safe
Markets, a coalition of environmental groups. Read on for an
edited version. Q. How do you tell if the bottle contains BPA or
not if the bottom is marked with the recycle number 7A. The
recycling number 7 is a catchall for many types of plastic. Just
because it says number 7, doesn't mean it has BPA, but most 7s
are made with bisphenol. A: For a quick test, if the plastic is
shatter-proof, hard, and transpa