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Bruce Noble, P.Eng., AECOM Dan MacDonald, P.Eng., CBCL Limited

Sydney Tar Ponds: Canada’s Largest Remediation Site Flow Diversion Overview. Bruce Noble, P.Eng., AECOM Dan MacDonald, P.Eng., CBCL Limited. An Overview of a Unique Canadian Site. 100 years of coking operations Tar Ponds: 81 acres 700,000 tonnes of PAH contaminated sediments

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Bruce Noble, P.Eng., AECOM Dan MacDonald, P.Eng., CBCL Limited

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  1. Sydney Tar Ponds: Canada’s Largest Remediation Site Flow Diversion Overview Bruce Noble, P.Eng., AECOM Dan MacDonald, P.Eng., CBCL Limited

  2. An Overview of a Unique Canadian Site • 100 years of coking operations • Tar Ponds: 81 acres • 700,000 tonnes of PAH contaminated sediments • 45,000 tonnes of PCB contaminated sediments • Coke Ovens: 178 acres • 3,000 tonnes of PAH & VOC contaminated soil • 25,000 tonnes of coal tar in tar cell

  3. Site Aerial View BATTERY POINT NARROWS NORTH POND FERRY STREET SOUTH POND COOLING POND COKE OVEN BROOK PRINCE STREET WASH BROOK

  4. Overview of TP6 Part A Key Dates Phase III North Pond Oct 28, 2011 Start Phase II North Pond Dec 18, 2010 Start Phase I South Pond Oct 23, 2009 Start

  5. Existing Contaminated Sediments Area Undergoing S/S Treatment Remediated Area New Channel Pumping Station Outlet Chamber Path of Stormwater Flows Existing Contaminated Sediments Area Undergoing S/S Treatment Pumping Station Outlet Chamber Path of Stormwater Flows Muggah Creek Muggah Creek Phase 2: Isolation of the North Pond – Southern Half Phase 1: Isolation of the South Pond

  6. Existing Contaminated Sediments Area Undergoing S/S Treatment Remediated Area New Channel Pumping Station Outlet Chamber Path of Stormwater Flows Existing Contaminated Sediments Area Undergoing S/S Treatment Remediated Area New Channel Pumping Station Outlet Chamber Path of Stormwater Flows Muggah Creek Muggah Creek Phase 3: Isolation of the North Pond – Remainder Completed Project With Permanent Channels

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