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New Antifreeze Regulation Will Help Protect B.C. Pets

New Antifreeze Regulation Will Help Protect B.C. Pets
April 1, 2009

VICTORIA – To increase the safety of pets and to give pet owners more peace of mind, British Columbia has become the first Canadian province to legally require the addition of a bittering agent to antifreeze and engine coolant sold in the province, Environment Minister Barry Penner announced today.

“The sweet taste of antifreeze is a major reason for the accidental – often fatal – ingestion of toxic antifreeze by pets, wildlife and young children,” Penner said. “By making it mandatory to add an extremely bitter substance to the product, we will make it less appealing, reducing its likelihood of being consumed in significant quantities.”

Ethylene glycol-based antifreeze is the most common type of antifreeze commercially available. It is also highly toxic and its appealing sweet taste has linked it to a number of poisonings of animals and small children. With this in mind, the government of British Columbia is mandating the addition of denatonium benzoate to ethylene glycol antifreeze sold at the retail level in B.C.

Better known under the trade names Bitrex or Aversion, denatonium benzoate is the bitterest chemical compound known to date. For years, this substance and other similar bittering agents have been used effectively in human and animal taste behaviour modification products, such as nail biting remedies and anti-chewing/licking products for pets. Bittering agents have also been used to prevent accidental poisonings from some toiletries, household cleaners and pesticides.

“We are very pleased the government is taking this initiative to reduce the threat of antifreeze poisoning for animals across B.C.,” said Craig Daniell, CEO of the B.C. Society for the Prevention of Cruelty to Animals. “Every year our constables and animal care staff deal with numerous cases of pets who have been poisoned by ethylene glycol antifreeze.”

The addition of a bitterant to antifreeze will lessen its appeal, not its toxicity. Individuals should still take personal responsibility for the proper handling, storing and disposal of any antifreeze product or waste. The new Antifreeze Regulation will be effective Jan. 1, 2011.

Denatonium benzoate will not impair antifreeze performance, nor have any impact on vehicle warranties. Adding it to ethylene glycol antifreeze has the potential to prevent children and household pets from accidentally ingesting the product.

To find out more about proper disposal of antifreeze in your area, please contact the Recycling Council of British Columbia’s Recycling Hotline at 604 RECYCLE (732-9253) or 1-800 667-4321
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