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8 Cards in this Set
- Front
- Back
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What are the water pollution categories?
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1. sediment
2. inorganic nutrients 3. thermal pollution 4. disease producing organisms 5. toxic organic compounds 6.heavy metals 7. oxygen demanding organic wastes |
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Fecal contamination and checking for potential pathogens is monitored by measuring what?
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Coliform Bacteria
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What is coliform bacteria?
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largely harmless, found in human intestines and feces, the EPA now using bacterium called fecal streptococcal to help monitor water more safely
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What are toxic groundwater pollutants?
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1. industrail landfills and lagoons
2. municicpal landfills 3. septic tanks 4. underground storage tanks for gas and other chemicals 5. contaminated industrial sites 6. injection wells |
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Desicribe primary, secondary, and tertiary sewage water treatment:
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Primary: Solids removed by sedimentation
Secondary: organic wastes are removed by bacterial decomposition....some nitrates and phosphates TRICKLING FILTERS or activated sludge processes accomplish decomposition Tertiary: EXPENSIVE, removes nitrogen and phosporus |
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What are two measures used in watershed management?
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Storm water retention ponds and buffer zones
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Oil pollution negatively effects marine life by:
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1. reducing photsymthesis rates
2. concentrating chlorinted hydrocarbons 3. contaminating human food chains with carcinogens suchs as BENZOPYRENE 4. disrupting chemical communication in marine life 5. killing wildlife 6. causing cancers due to chronic exposure to low oil levels |
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what did the oil pollution act of 1990 do?
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1. improved ship designs
2. replaced exisiting fleets 3. financial responsibility, compensation, and liability for spills 4. improved spill response and inspection systems |
