Further information on Polystyrene

2013/1/8 Study finds styrene does not cause cancer
Plastic News

2012/9/20 588. Styrene (WHO Food Additives Series 19)
World Health Organization / International Programme on Chemical Safety

Human clinical and epidemiological studies performed to data have generally shown that styrene is not carcinogenic and failed to establish a link between styrene exposure and carcinogenesis.

2011/6/11 National Toxicology Program Report on Styrene: No Change in Safety of Plastic Foodservice Packaging
American Chemistry Council

2010/11 Toxicological Profile for Styrene
Agency for Toxic Substance and Disease Registry, U.S. Department of Health and Human Services

No studies were located regarding health effects in humans after oral ingestion of styrene. Based on the animal data that follow, the oral toxicity of styrene in humans would be expected to be low to moderate.

2009 U.S. Code of Federal Regulations, Chapter 21, § 177.1640 Polystyrene and rubber-modified polystyrene
U. S. Food and Drug Administration

Polystyrene and rubber-modified polystyrene identified in this section may be safely used as components of articles intended for use in contact with food.

2009 European Union Risk Assessment Report, Annex XV Transitional Dossier: Styrene
European Chemicals Agency

Conclusion (ii) "There is at present no need for further information and/or testing and for risk reduction measures beyond those which are being applied already" applies to long term long-term low level exposures arising as a result of emissions from... food sources (mainly as a consequence of food packaging).

Safety of Polystyrene Foodservice Products
American Chemistry Council

YouKnowStyrene.org - Health and Safety: Consumers
Styrene Information and Research Center

YouKnowStyrene.org - Expert Science Reviews
Styrene Information and Research Center

History of reviews by government, academia and industry

スチレン・ポリスチレンの安全性 Safety of Styrene/Polystrene
Japan Styrene Industry Association

食品容器としてポリスチレンは安全です。Polystyrene is safe to be used as food containers.

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