Dr. Howard Smith Oncall

A Reminder NOT to Refill Plastic Bottles

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Synopsis

  Vidcast:  https://youtu.be/vJkEL7Zi9vQ   If you refill a plastic bottle with water, after 24 hours that water contains more than 400 chemicals released by the plastic and over 3500 from the dishwasher soap you used to clean it. University of Copenhagen chemists tested 3 different types of plastic bottles and compared them with a glass bottle.  The bottles were tested 3 ways: after a single water rinse and refilling the bottles and letting them sit for a day at room temperature; after 5 water rinses, a refill, and the day sit; and after a cycle in a dishwasher, refilling with water, and the room temperature day sit.  The drinking water then went through solid phase extraction and chromatographic analysis.   The “drinking” water in the water rinsed and reused bottled contained toxic substances including carcinogens, endocrine disruptors, anti-oxidants, and even the insecticide DEET.  The water also contained substances never before identified in plastic with 70% having unknown toxicity to humans.  Putting the