Consumer Reports Concerned about The Chemical Bisphenol A

Our tests find wide ranges of Bisphenol A in soups, juice, and more The chemical Bisphenol A, which has been used for years in clear plastic bottles and food-can liners, has been restricted in Canada and some U.S. states and municipalities because of potential health effects.

The Food and Drug Administration will soon decide what it considers a safe level of exposure to Bisphenol A (BPA), which some studies have linked to reproductive abnormalities and a heightened risk of breast and prostate cancers, diabetes, and heart disease.

However, depending on where their loyalties lie they may not side with the public's safety.
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Chemical threat In Plastics

Our Stolen Future

It's enough to make you afraid to eat the food you buy.While Bisphenol A was first synthesized in 1891, the first evidence of its estrogenicity came from experiments in the 1930's feeding BPA to ovariectomised rats (Dodds and Lawson 1936, 1938).

Some wildly popular water bottles are made of polycarbonate

Another compound invented during that era, diethylstilbestrol, turned out to be more powerful as an estrogen, so bisphenol A was shelved... until polymer chemists discovered that it could be polymerized to form polycarbonate plastic. Unfortunately, the ester bond that links BPA monomers to one another to form a polymer is not stable and hence the polymer decays with time, releasing BPA into materials with which it comes into contact, for example food or water.

Bisphenol A is now deeply imbedded in the products of modern consumer society, not just as the building block for polycarbonate plastic (from which it then leaches as the plastic ages) but also in the manufacture of epoxy resins and other plastics, including polysulfone, alkylphenolic, polyalylate, polyester-styrene, and certain polyester resins.

Its uses don't end with the making of plastic. Bisphenol A has been used as an inert ingredient in pesticides (although in the US this has apparently been halted), as a fungicide, antioxidant, flame retardant, rubber chemical, and polyvinyl chloride stabilizer.

These uses create a myriad of exposures for people. Bisphenol A-based polycarbonate is used as a plastic coating for children's teeth to prevent cavities, as a coating in metal cans to prevent the metal from contact with food contents, as the plastic in food containers, refrigerator shelving, baby bottles, water bottles, returnable containers for juice, milk and water, micro-wave ovenware and eating utensils.

Other exposures result from BPA's use in "films, sheets, and laminations; reinforced pipes; floorings; watermain filters; enamels and vanishes; adhesives; artificial teeth; nail polish; compact discs; electric insulators; and as parts of automobiles, certain machines, tools, electrical appliances, and office automation instruments" (Takahashi and Oishi 2000).

BPA contamination is also widespread in the environment. For example, BPA can be measured in rivers and estuaries at concentrations that range from under 5 to over 1900 nanograms/liter. Sediment loading can also be significant, with levels ranging from under 5 to over 100 g/kg (ppb) BPA is quite persistent as under normal conditions in the environment it does not readily degrade. (Rippen 1999). Contin'd.

Sign the petition to get "Bisphenol A", banned from our food and beverages and containers used to hold food or cook food, especially when it comes to infants and pregnant women. Tell congress that you want untainted food and to force the FDA to crack down on the manufacturing and usage of Bisphenol A.