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    In this activity, students compare the three methods used to polish wastewater.

    By the end of this activity, students should be able to:

    • compare and contrast three methods of polishing wastewater – exposure to UV, chlorination and pumping effluent onto wetlands.

    Download the Word file (see link below) for:

    • introduction/background notes
    • what you need
    • what to do
    • student handout.
      Published 29 July 2008, Updated 1 March 2013 Referencing Hub articles