First Priority Substances List (PSL1)

Click here or on the pdf file for the source of the information.

 

The first Priority Substances List (PSL1) was published in 1989 and included 44 substances or groups of substances. Environmental assessments and human health assessments were completed under the Priority Substances Assessment Program by early 1994. Assessment Reports for each of these PSL1 substances were completed and published following a critical review of relevant identified data. Conclusions of whether the substances were considered toxic under the Canadian Environmental Protection Act were published.

In some cases, there were substances for which a conclusion could not be reached. Follow-up to the orignal assessment report has been undertaken following a review of new information.

For substances on which the final decisions have been made, please click the following links below to obtain the related assessment information.

 

 

 

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