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​Concern over bisphenol-a (BPA) and Water Cooler Bottles

Posted by Graham on

Concern over bisphenol-a (BPA) and Water Cooler  Bottles 

Water coolers are a great way of dispensing bottled water without it being stored in plastic. After a new study published in this month's issue of Environmental Pollution, reveals there could possibly be health implications caused by drinking water from bottles that have been stored in a warm place. Researchers from the University of Florida found that cancer causing chemicals and heavy metals can leech into the water from the plastic bottle under certain conditions, affecting the quality of the water within.

Antimony and carcinogen Bisphenol A (commonly referred to as BPA) are two of the toxins that appear to be released after bottles have been warmed. The same risks could also apply to other liquids stored in polyethylene terphthalate plastic such as milk and fruit juice. Yet more research needs to be done. Some bottles and plastics do not contain these chemicals but the drawn back can be a less stable plastic and more light is allowed through. We have seen BPA free bottles which are sometimes clearer than BPA containing bluer bottles grow green tinged water within when left in sunlight.

In the experiment by researchers at the University of Florida, the research team studied chemicals released in 16 brands of Chinese bottled water, which had been kept at 158 degrees Fahrenheit for four weeks. This caused what the researchers branded a ‘worst-case scenario’ for human consumption, leading them to warn against storing bottled water in situations where the contents can easily warm, such as in a car.

Chinese citizens who have little faith in the purity of their tap water, often keep plastic bottles of water in their cars for months on end. As for the rest of us, we should all take care to keep our bottled water chilled to avoid the possibility of plastic contamination. Alternatively make sure your plastic bottle is BPA free or use a steel or glass bottle.