Term
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Definition
| a condition or state of matter or material that makes it unsuitable for its intended purpose |
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Term
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Definition
| A material of little or no worth which results from a production process |
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Term
| Factors Contributing to Waste Problem |
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Definition
- rapid population growth
- expanding rate of industrialization & technology
- increase in per capita consumption of ag products
- fewer farms must produce more products
- increasing cost of labor
- awareness of need for clean air/water
- decreasing number of farms
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Term
| Government Regulation of Wastes |
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Definition
- Water Quality Act (1965)
- Clean Water Act (1972)
- Air Quality Act (1967)
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Term
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Definition
| States directed to develop water quality standards to establish water quality goals for interstate waters |
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Term
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Definition
| etalished water quality-based and technology-based approaches to water pollution control (NPDES) |
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Term
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Definition
| required all states to enact a law to prevent water and air pollution. Changed ideals to "how much can we keep out?" |
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Term
| CAFO: Confined Animal Feeding Operations |
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Definition
Livestock raised in a confined area for a period of 45 days or more within a 12 month timeframe.
Feed is brought to the animals instead of them grazing |
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Term
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Definition
- 270,000 CAFOs in the US.
- 15,500 meet the narrow criteria
- 3 sizes to determine how facility is subject to CWA
- large: automatically subject to EPA regulation
- medium: must meet one of two method of discharge regulations
- small: case by case based on discharge to waterway via manmade conveyance
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Term
| Leading Pollutants in Water Bodies (smallest to largest) |
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Definition
- Rivers (5)
- Lakes(5)
- Estuaries(5)
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Term
| Leading Pollutants in Rivers |
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Definition
- Siltation
- Pathogens
- Nutrients
- Oxygen Depleting substances
- metals
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Term
| Leading Pollutants in Lakes |
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Definition
- nutrients
- metals
- siltation
- oxygen depleting substances
- suspended solids
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Term
| Leading Pollutant in Estuaries |
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Definition
- pathogens
- oxygen depleting substances
- metals
- nutrients
- thermal modifications
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