Consultation document on risk management measure for BNST: chapter 1

1 Introduction

1.1 Purpose and Scope of the Consultation

The substance Benzenamine, N-phenyl-, Reaction Products with Styrene and 2,4,4-Trimethylpentene, Chemical Abstract Service Registry Number (CAS RN) 68921-45-9, referred to throughout this document as "BNST", was included in Batch 4 of the Challenge initiative under the Chemicals Management Plan¹.

As part of the Challenge process, the Final Screening Assessment Report, published in August 2009, concluded that BNST meets the criteria as set out in paragraph 64(a) of CEPA 1999 and the criteria for persistence and bioaccumulation potential as set out in the Persistence and Bioaccumulation Regulations.

In the Risk Management Approach for BNST, also published in August 2009², the Government of Canada indicated that the risk management action that it would consider is to add BNST to the Prohibition of Certain Toxic Substances Regulations, 2005 referred to throughout this document as "Prohibition Regulations".

The intent of this consultation paper is to encourage discussion and to give interested and affected parties an opportunity to provide input or comments regarding the regulatory proposal to add BNST to the Prohibition Regulations, 2005³.

1.2 Objectives

The objectives of this consultation are to:

• Inform interested stakeholders of the regulatory proposal;
• Provide an opportunity for interested stakeholders to comment on the regulatory proposal; and
• Ensure that Environment Canada identifies any questions or concerns from interested stakeholders on this regulatory proposal

1.3 Consultations with Interested and Affected Parties

The Government of Canada is committed to providing interested and affected parties with the opportunity to take part in consultations at all stages of the regulatory development process. All interested parties may comment on the regulatory proposal in writing by mail, fax or email to the addresses provided in Section 6 of this document.