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8 Cards in this Set
- Front
- Back
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Solid Waste
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"any garbage, refuse, sludge, from a waste treatment plant, water supply treatment plant, or air pollution control facility and other discarded material, including soil, liquid, semisolid, or contained gaseous material resulting from industrial, commercial, mining, and agricultural operations and from community activities
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Methods of solid waste disposal(7)
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1. Open/Land disposal=dumping waste on ground
2. Disposal at sea= waste placed on barges away from city 3. Hog feeding= waste is drained and heated to 137 degrees, then fed to hogs 4. Sanitary landfills 5. Source reduction= reduces waste's toxicty before entering waste stream 6. Recycling= reduces waste 7. Incinerators= burning of solid waste; reduces volume of waste; air pollution laws make it impractical |
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Sanitary landfills
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-Most common type of waste disposal.
-prevents breeding and contains odor Location -must not be located on floodplain, near airports, or on wetlands Design -protect ground water, wetlands, and floodplains -prevent surface ponding -vent explosive gases -restricted access Not secure -burrowing animals -roots of vegetation -uneven settling -migration of chemicals or objects Shortcomings -many do not meet federal standards -insufficient cover -ponding |
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Hazardous waste
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"solid waste or combination of solid wastes, which may:
1. cause, or increase moratlity or irreversible/incapacitating illness 2. pose a present or potential hazard to human health or the environment when improperly treated, stored, transported, or dispoed of. Types of waste -solvents, acid/bases, sludge, paints, heavy metals Harzadous waste producers -chemical manufacturers -maintenance shops -construction industries |
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Characteristics of Hazardous Waste(4)
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1. Toxicity= potentially poisonous to humans
2. Ignitability=solvents, oils, paints, and plastics 3. Corrosivity= pH < 2, above12.5 ex. cleaning agents and battery residue 4. Reactivity= may explode and generate toxic gas; chemical waste |
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HAZARDOUS WASTE INCIDENTS
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Louisville, KY
-rural site, 17,000 drums of toxin; dead property owner pocketed money Iberville Parish, LA -truck driver dumped hazmat into waste pit -chemicals reacted, leading to driver's death Montague, MI -illegal dumpong of VOCs -uncovered by whistle blower at chemical company Seymour, IN -60,000 drums of hazardous waste were improperly dumped -Hydrogen gas reacted with solvents -water emergencies, evacuations |
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INCIDENT AT TIMES BEACH
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-oils on dust roads
-horses, animals affected miscarriages -EPA discovered in 1982 -Entire town evacuated in 1985 |
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LOVE CANAL, NY
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-Hooker Chemical Company had a big plant there,
-dumped 21,000 tons of waste from 1942 to1953 -Homes were infected with chemicals 182 million dollars in cleanup, relocation, investigation Health effects= skin sores, epilepsy, rectal bleeding, miscarriages, liver problems |
