Nipigon aoc 2009 study preliminary results nipigon bay pac meeting november 29 2010
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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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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

Study Objectives

  • To determine the current status of the Nipigon AOC

  • To support efforts towards delisting the Nipigon AOC


Study design

Study Design

  • Water

    • general chemistry, nutrients, metals

  • Sediment

    • general chemistry, nutrients, metals, organics

  • Sediment toxicity

    • H. azteca, C. dilutus, Hexagenia spp.

  • Benthic community


Water

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


Sediment general chemistry

Sediment – General Chemistry


Sediment metals

Sediment - Metals


Sediment organics

Sediment - Organics

  • No PAH exceedences

  • Dioxin/Furan information not yet available


Sediment toxicity

Sediment Toxicity


Next steps

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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