Risk management action milestones for Batch 4 chemical substances

The chemical substances listed below are from Batch 4 of the Challenge, and each substance has met one of more of the criteria of section 64 of the Canadian Environmental Protection Act, 1999 (CEPA 1999). The tables below compile the proposed risk management actions for health and environment, and provide the current status and any updated information for these proposed actions. For the complete wording of these proposed actions, please refer to the risk management approach documents listed in the Summary of Batch 4 substances and publications.

Batch 4

CAS No. 64-67-5
Common Name: Diethyl sulfate
Authority Risk management actions Most recent milestone
CEPA 1999 Significant New Activity provision. Order amending the Domestic Substances List was published in the Canada Gazette, Part II: Vol. 147, No. 3 - January 30, 2013.
Food and Drugs Act (cosmetics) Addition to the Cosmetic Ingredient Hotlist. The Cosmetic Ingredient Hotlist has been amended.
CAS No. 77-78-1
Common Name: Dimethyl sulfate
Authority Risk management actions Most recent milestone
CEPA 1999 Significant New Activity provision. Order amending the Domestic Substances List was published in the Canada Gazette, Part II: Vol. 147, No. 3 - January 30, 2013.
Food and Drugs Act (cosmetics) Addition to the Cosmetic Ingredient Hotlist. The Cosmetic Ingredient Hotlist has been amended.
CAS No. 68921-45-9
Common Name: BNST
Authority Risk management actions Most recent milestone
CEPA 1999 Removal from the Prohibition of Certain Toxic Substances Regulations, 2012 In December 2017 the final Regulations Amending the Prohibition of Certain Toxic Substances Regulations, 2012  were published in Canada Gazette, Part II. The amendments remove regulatory controls on BNST.
CEPA 1999 Proposed amendment to Schedule 1 of CEPA 1999 (the List of Toxic Substances) to Proposed order was published in the Canada Gazette, Part I, Vol. 151, No. 49 - December 9, 2017.
CEPA 1999 Addition to the Prohibition of Certain Toxic Substances Regulations, 2012.

Published in the Canada Gazette, Part II on January 2, 2013.

In November 2016, the proposed Regulations Amending the Prohibition of Certain Toxic Substances Regulations, 2012 were published in Canada Gazette, Part I for a 75-day public comment period. The proposed Amendments would modify existing controls for BNST.

In December 2016, the Government of Canada published a consultation document on future regulatory amendments for BNST. The consultation document for BNST is subject to a 60-day public comment period.

CEPA 1999 Addition of BNST to the Environmental Emergency Regulations. Please refer to the Environmental Emergency Regulations Website for further details.
CEPA 1999 Monitoring of BNST in the environment and in wastewater. Monitoring results as to the presence of substituted diphenylamines (SDPAs) in environmental media, wastewater effluent and biosolids, are presented in the final screening assessment for these substances, published in December 2017 as part of the Chemical Management Plan.
Report a problem or mistake on this page
Please select all that apply:

Thank you for your help!

You will not receive a reply. For enquiries, contact us.

Date modified: