Cobalt Soil Study

The Ministry of the Environment (MOE) has completed a Screening Level Human Health Risks Assessment (SL-HHRA) through soil testing along the Heritage Silver Trail in Cobalt. The Trail is a combination walking and driving tour throughout the historic mine sites within the townships of Coleman and Cobalt. The testing results show elevated levels of 16 heavy metal contaminants, including Arsenic as the main focus.

• MOE Phytotoxicology Interim Report “2003 Soil Assessment Program, Cobalt National Historic Site, Cobalt, Ontario” – Executive Summary (pdf)
• MOE Technical Report “Screening Level Health Risk Assessment of the Historical Mining Tour of Cobalt, Ontario” – Executive Summary (pdf)
• Review of the MOE Report and Recommendations (pdf)
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