Phase lll Environmental Site Assessment (ESA)/Gap Analysis and Preliminary Quantitative Risk Assessment at Elk Island National park Sewage Lagoons – Fort Saskatchewan, AB

The primary objective at the Sites is the completion of a Phase III ESA, including a Gap Analysis to delineate the extent of groundwater, surface water, and sediment contamination and impacts to other potential pathways in support of determining updated NCSCS – National Contaminated Sites Classification Score classification scores, human health and ecological risk assessments, and remediation action planning. Specific objectives include:
1)	Assess and evaluate data gaps from the Phase II ESA.
2)	Conduct all activities and reporting associated with a Phase III Environmental Site Assessment.
3)	Complete updated NCSCS Scoring for the sites.

In addition, the objectives for the optional component of the work include: 
4)	Assess and determine human health and ecological risks present at the site in a PQRA – Preliminary Quantitative Risk Assessment.