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Nipigon AOC 2009 Study Preliminary Results Nipigon Bay PAC Meeting November 29, 2010

Nipigon AOC 2009 Study Preliminary Results Nipigon Bay PAC Meeting November 29, 2010. Study Objectives. To determine the current status of the Nipigon AOC To support efforts towards delisting the Nipigon AOC. Study Design. Water general chemistry, nutrients, metals Sediment

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Nipigon AOC 2009 Study Preliminary Results Nipigon Bay PAC Meeting November 29, 2010

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  1. Nipigon AOC 2009 Study Preliminary Results Nipigon Bay PAC Meeting November 29, 2010

  2. Study Objectives • To determine the current status of the Nipigon AOC • To support efforts towards delisting the Nipigon AOC

  3. Study Design • Water • general chemistry, nutrients, metals • Sediment • general chemistry, nutrients, metals, organics • Sediment toxicity • H. azteca, C. dilutus, Hexagenia spp. • Benthic community

  4. Water • Nipigon Bay • Exceedence of aluminum Provincial Water Quality Objective (PWQO) at Nipigon Bay reference and Outfall of Norampac • Nipigon River • No exceedences of the PWQO

  5. Sediment – General Chemistry

  6. Sediment - Metals

  7. Sediment - Organics • No PAH exceedences • Dioxin/Furan information not yet available

  8. Sediment Toxicity

  9. Next Steps • Assess benthic community results • Compare 2009 study results with historical data • Coordinate with EC to present an assessment of the entire AOC

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