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Tackling Legacy Waste

Thursday, 27 June 2018. Tackling Legacy Waste. ir. Janna Poortinga. Introduction Quantification Identification waste streams Identification problems Remediation Rehabilitation and aftercare. Slide 2 /10. Introduction. Quantification. Identification waste. Identification problems.

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Tackling Legacy Waste

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  1. Thursday, 27 June 2018 Tackling Legacy Waste ir. Janna Poortinga

  2. Introduction • Quantification • Identification waste streams • Identification problems • Remediation • Rehabilitation and aftercare Slide 2/10 Introduction Quantification Identification waste Identification problems Remediation Rehabilitation and aftercare

  3. Big Rivers Region Waste Management Working Group (BRRWMWG) Slide 3/10 Introduction Quantification Identification waste Identification problems Remediation Rehabilitation and aftercare

  4. Legacy Waste “Landfill or waste disposal sites that have had little or no management and usually have existed before 1990.” Slide 4/10 Introduction Quantification Identification waste Identification problems Remediation Rehabilitation and aftercare

  5. Quantification Legacy Waste site • Site History check • Outer Boundaries • Volume • On-site and off-site receptors 2000 2002 Slide 5/10 Introduction Quantification Identification waste Identification problems Remediation Rehabilitation and aftercare

  6. Identification Waste Streams GLASS ASBESTOS SCRAP METAL TYRES BATTERIES Batteries Who: Heavy metals, sulfuric acid How: Fires, groundwater, soil What: Organ damage, cancer, developmental issues, birth defects, blindness, skin burns, death Priority: high Scrap Metal Who: Tetanus How: Cuts What: Muscle spasms, suffocation, heart attack Priority: low Tyres Who: Heavy metals, PAHs, PCBs How: Fires, groundwater, soil, vermin and mosquitos What: Cancer, developmental issues, infertility, respiratory issues Priority: high Asbestos Who: Asbestos fibres How: Air What: Pleural disease, asbestosis, lung cancer, mesothelioma Priority: high Glass Who: None How: None What: None Priority: None Plastics Who: BPA, PCB, DEHP, VOCs, PFOS How: Fires, groundwater, soil, direct ingestion What: hormone disruptive, reproductive issues, cancer, respiratory issues, entanglement, internal blockage Priority: High Construction and Demolition waste Who: None How: None What: None Priority: None (caution: asbestos) Green Waste Who: None How: Fires What: None Priority: Low Oil Who: Heavy metals, PAHs, PCBs How: Fires, groundwater, soil What: Cancer, developmental issues, infertility, respiratory issues Priority: High Paint and chemicals Who: Rat poison, pesticides, paint, anti-freeze and cleaning agents How: Fires, groundwater, soil, direct exposure What: Cancer, birth defects, infertility, acute poisoning, respiratory problems Priority: High High High High Low None PAINTS & CHEMICALS C&D OIL GREEN WASTE PLASTICS High Low None High High Slide 6/10 Introduction Quantification Identification waste Identification problems Remediation Rehabilitation and aftercare

  7. Identification Problems • Air testing • Water testing • Soil testing • Blood testing Slide 7/10 Introduction Quantification Identification waste Identification problems Remediation Rehabilitation and aftercare

  8. Remediation • Physical • Excavation, isolation • Chemical • Fixation, soil washing • Biological • Phytoremediation Slide 8/10 Introduction Quantification Identification waste Identification problems Remediation Rehabilitation and aftercare

  9. Rehabilitation and aftercare • Aftercare period • Future use • Monitoring • Vegetation • Operation treatment system (if applicable) Slide 9/10 Introduction Quantification Identification waste Identification problems Remediation Rehabilitation and aftercare

  10. Feedback // Additions // Questions? “With all waste and pollution, someone somewhere pays for it…”

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