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  • Feature Story

Canada Clears 52 Azo Acid Dyes Following Screen Assessment

November 18, 2014

Following a screening assessment, the Canadian government has determined that 52 azo acid dyes in the Aromatic Azo and Benzidine-based substance grouping do not meet any criteria set out in section 64 of the country’s Environmental Protection Act (CEPA).

On the basis of the available data, the assessment concluded that the 52 azo acid dyes evaluated do not meet the criteria under paragraph 64(c) of CEPA 1999, as they are not entering the environment in a quantity or concentration or under conditions that constitute or may constitute a danger in Canada to human life or health.

The draft Screening Assessment is available here on the Government of Canada’s Chemical Substances website.

Written comments shall be accepted through December 24, 2014.

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