Chapter 16 Flashcards
Define BrownFields
Abandoned or contaminated property that has actual or perceived contamination and an active potential for redevelopment.
Landfill gas composition
50% Methane
50% CO2
Landfill
the single largest man-made source of methane in the US
Love Canal Tragedy
toxic waste disaster in Nigeria falls, NY
RCRA
Primary federal law governing the management & disposal of:
• nonhazardous solid waste
• hazardous waste
(Active and Future)
CERCLA
rapid containment, cleanup, or remediation of abandoned & illegal hazardous waste sites
Superfund National Priorities List
-provide an immediate response to emergency situations that pose imminent hazards.
• clean up or remediate abandoned or inactive sites.
Hazardous Waste:
Characteristics
- Readily ignitable
- Corrosive
- Reactive
- Toxic
Hazardous Waste:
Sources
- metal processing and mining
2. chemical and petroleum industries
Hazardous Waste:
Effects (Dioxins/PCB’s)
Dioxins: Released as toxic ash when waste is burned
PCB: cause skin irritation
Waste Management Hierarchy
(most preferred to least preferred)
- Source Reduction and Reuse
- Recycling/composting
- energy recovery
- treatment and disposal
Safe Plastics
1,2,4,5
Unsafe Plastics
3,6,7
Primary Recycling
material is recycled into the same material. such as can to can
Secondary Recycling
material is recycled into a different material. Such as bottle to shirt
MSW:
Compostion
everyday items thrown away by businesses and homes
MSW:
Generation
5lbs per day per person
MSW:
Recycling rate
34.3% or about 1.5 person/day
MSW:
Major waste disposal methods
Landfill
• Recycling
• Composting
• Incineration
MSW:
Does NOT include
industrial, hazardous or construction waste or municipal wastewater treatment sludge
What Percent of waste goes to the landfill?
54.2%
Examples of e-waste
-Lead,
• Mercury,
• Cadmium
