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Consumers can be assured the U.S. Food and Drug Administration (FDA) works diligently to keep unapproved materials out of plastic water bottles. Bottles sold in the US are made from an FDA approved material known as polyethylene terephthalate (PET). Due to misunderstandings surrounding plastic drink bottles, they are often accused of being harmful.
Health Concerns
Carcinogens found in some plastics are known to cause cancer. Phthalates exposure can cause liver and kidney damage and are suspect in contributing to obesity
Phthalates
Phthalates are used to make plastics soft and moldable. They are often found in items such as shower curtains and vinyl, however, the PET used in plastic beverage containers does not contain phthalates.
Bisphenol-A
Bisphenol-A (BPA) is a material used to harden plastics. Studies have shown the amount of BPA found in plastic bottles is very minimal and, according to Plastics Info, "there are no known human health concerns from exposure to low doses of BPA."
Toxins
According to the Ecology Center, "What migrates from plastic container to contents: Depends on plastics used." This means different plastics can leach different toxins; however, this issue is heavily regulated for food contact items sold in the U.S.
Regulations
The U.S. Food and Drug Administration (FDA) require testing on all plastic drink bottles to assure no toxins will leach into beverages. The bottles are required to meet strict guidelines set forth by regulations known as Code of Federal Regulations (or Title 21 CFR).
Protect Yourself
Plastic bottles are tested before they can be deemed safe and placed onto the market for use as beverage containers. Take extra measures to protect yourself by thoroughly washing bottles before reusing
Source:
PlasticsInfo.org: The Safety of Plastic Beverage Bottles
Green Technical Manual: Substances and Regulations
EcologyCenter.org: Plastic Task Force
Resource:
FDA.Gov: Guidance for Industry
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