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Govt completes assessments for 18 substances of Batch 4
Aug '09
The Honourable Jim Prentice, Canada's Environment Minister, and the Honourable Leona Aglukkaq, Minister of Health, announced the release of the final screening assessments for 18 substances assessed in Batch 4 of the Chemicals Management Plan.

“With the release of these final screening assessments for Batch 4, we have taken another important step towards protecting the health and environment of Canadians,” said Minister Prentice. “We will continue to work with all stakeholders so that these chemicals are managed safely and responsibly.”

“After a thorough review Health Canada has concluded that two of the substances in Batch 4 may pose a risk to human health,” said Minister Aglukkaq. “We are recommending new action so that Canadians' exposure to these substances remains very low.”

Of the 18 substances assessed in Batch 4, one substance poses a risk to the environment (BNST) and is recommended for virtual elimination. Two substances pose a risk to human health (dimethyl sulfate and diethyl sulfate). The Ministers of Environment and Health have recommended all three substances be added to Schedule 1 of the Canadian Environmental Protection Act (CEPA), 1999.

BNST is used as an antioxidant in automotive oils as well as in commercial and industrial lubricants.

Dimethyl sulfate is used in Canada in the manufacture of substances which are then used in pharmaceuticals. It is also used in the production of dyes, fragrances and water/sewage flocculants. Diethyl sulfate is used mainly in Canada by the tissue paper industry as a softener. It may also be used to make products used in the manufacture of dyes, fragrances, agricultural chemicals, pharmaceuticals and textiles.

Notices containing summaries of the final screening assessment reports were published in Canada Gazette, Part I on July 31, 2009. The complete final screening assessments as well as proposed risk management approaches for Batch 4 substances can be found on the Chemicals Management Plan website:

The Government's screening assessments are final, however stakeholders are encouraged to submit comments on the recommended risk management approaches until September 29, 2009.

Health Canada

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