Ecological Categorization of Substances
on the Domestic Substances List (DSL)

Categorization Decisions (Completed in September 2006)

• Summary of Government of Canada Categorization Decisions for Substances on the DSL (September 2006)
• DSL Search Engine and Pre-Set Searches for Categorization Decisions (September 2006)
• Categorization Update on a CD-ROM
  A comprehensive collection of information on Environment Canada's Categorization of the DSL (including general information, categorization guidance and approach documents, progress reports and spreadsheets of ecological categorization decisions, robust study summaries, and other related documents) appears on the Existing Substances Program CD-ROM. To obtain a copy of the CD, please send a request to the following address: existing.substances.existantes@ec.gc.ca.

General Information

• Ecological Categorization Criteria and Process
• Voluntary Data Submission
• Frequently Asked Questions

Robust Study Summaries (September 2006)

• Robust Study Summaries for Substances on the DSL
• Completed robust study summaries (RSSs) for studies on organics, inorganics, organic metal salts, and organometallics (along with related guidance documents and RSS templates) are available on a CD. To obtain a copy of the CD, please send a request to the following address: existing.substances.existantes@ec.gc.ca.

Related Documents

• Guidance Manual for the Categorization of Organic and Inorganic Substances on the DSL
• Approach Documents for the Ecological Categorization of Organometallics, Polymers and UVCBs on the DSL
• DSL Categorization Technical Workshop Report

Disclaimer: Although care has been taken to ensure that the information found on this website accurately reflects the requirements prescribed in the Canadian Environmental Protection Act (1999), you are advised that, should any inconsistencies be found, the legal documents, printed in the Canada Gazette, will prevail.