Your Water Bottle IS Dangerous
If your water bottle is made of polycarbonate plastic—and most Nalgene and Camelbak bottles sold over the last few years are—it’s probably unsafe for you to use.
Nalgene, the largest manufacturer of outdoor water bottles, announced today that it will stop selling bottles made of polycarbonate. Polycarbonate contains a manmade chemical called bisphenol A (BPA), which leaches from the plastic at levels dramatically higher than previously thought.
Time to throw away your Nalgene bottles
Polycarbonate contains a chemical called bisphenol A (BPA) which has been linked to numerous health problems including breast and prostate cancer, brain damage, endocrine system disruptions, higher levels of testosterone in men and women, recurrent miscarriages, and chromosomal defects in fetuses.
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HOW DO I KNOW IF MY BOTTLE HAS BISPHENOL A IN IT?
Look on the bottom of the bottle for a number surrounded by three arrows. Polycarbonate bottles are categorized as number seven. Note that seven is the catchall “other” category for plastics—all polycarbonates are seven, not all sevens are polycarbonates.
Basically if you see the following image below on your bottle somewhere you could be at risk. 07 represents ‘other’ plastics not categorized such as polycarbonate, fiberglass and nylon; polycarbonate plastic is the plastic in question.
And to think I first heard this on Jumping Monkeys several weeks back
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The Wheat Field 
BPA free water bottles are springing up now…check out the titan water bottle made with tritan material – the same as camelbak’s and nalgene’s new bpa-free bottles. It’s got a patent pending design that makes it super convenient.
Check this out – the inventor discusses the titan bottle
http://www.titanwaterbottle.com
http://best.waterbottle.ever.com/
Yeah I know about BPA free bottles, even Nalgene offers them, it’s just a question of being able to get them here in Brunei. I should check the camping shop in Kiulap… or there is always online shopping! =D