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

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 organics
Sediment - Organics

  • No PAH exceedences

  • Dioxin/Furan information not yet available



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