Letters to the Editor
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Bisphenol A.. not in every plastic
Elizabeth should distinguish between plastics as not all plastics contain the possibly damaging Bisphenol A. Polycarbonate does and these bottles are the heavy-walled ones that you buy empty for multiple use. It is also the material most, but not all, water-cooler bottles are made of. PET water and soda bottles on the other hand do not contain Bisphenol A and are safe. When re-using plastic bottles consumers should make sure that the bottles are thoroughly cleaned as bacterial contamination can become a health risk.
Full disclosure: I am a consultant to the plastics industry.