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2010, Revised 2012
This guidance document (Federal Contaminated Site Risk Assessment in Canada, Part I: Guidance on Human Health Preliminary Quantitative Risk Assessment (PQRA), Version 2.0) was prepared to provide guidance for custodial departments.
A major emphasis of the FCSAP is to ensure that remediation or risk management is applied to those sites and properties posing significant human health risks. The purpose of a PQRA is to quantify the degree of potential human health risk posed by the presence of contamination at a subject site. The results of a PQRA for federal sites/properties may be used within the FCSAP to rank and prioritize the subject site for remedial funding and priority for action.
The purpose of this guidance document is to prescribe, to the degree possible, standard exposure pathways, receptor characteristics, TRVs, and other parameters required to quantitatively and consistently assess the potential chemical exposures and human health risks at federal contaminated sites. The primary purpose for PQRA is to rank the potential human health risks posed by federal contaminated sites relative to one another (for decisions regarding funding, etc.) and, therefore, consistency across multiple provincial and territorial boundaries is essential for fair and equitable evaluation.
The Federal Contaminated Sites Action Plan is a program of the Government of Canada designed to ensure improved and continuing federal environmental stewardship as it relates to contaminated sites located on federally owned or operated properties.