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

2. Identification waste streams Identification problems Remediation
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. Construction and Demolition waste
Identification Waste Streams
TYRES
ASBESTOS
BATTERIES
SCRAP METAL
GLASS
Batteries
Who: Heavy metals, sulfuric acid
How: Fires, groundwater, soil
What: Organ damage, cancer, developmental issues, birth defects, blindness, skin burns, death
Priority: high
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
Scrap Metal
Who: Tetanus
How: Cuts
What: Muscle spasms, suffocation, heart attack
Priority: low
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)
Glass
Who: None
How: None
What: None
Priority: None
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
C&D
OIL
PAINTS & CHEMICALS
PLASTICS
GREEN WASTE
High
Low
None
High
High
Slide 6/10
Introduction
Quantification
Identification waste
Identification problems
Remediation
Rehabilitation and aftercare

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

8. Remediation Physical Chemical Biological Excavation, isolation
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…”