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Geology 101 - 04

waste, water pollution, air pollution

QuestionAnswer
What are the principal sources of solid waste? garbage or refuse, sludge from a wastewater treatment plant,water supply treatment plant,or air pollution control facility and other discarded material
What is the typical composition of solid waste? What is the bulk of it? mineral extraction & processsing, animals, crops, industry, municipalities Animal waste! EEEW!
What is a sanitary landfill? a landfill in which waste is covered with layers of earth
What layers does a properly designed municipal landfill have? What is the purpose of these layers? Mostly clay. to seal below and above the garbage, provide venting for gas, collection of leachates, and has monitoring wells
What can escape and contaminate ground or surface waters if the soil below and above a landfill is permeable? Leachates
What happens to toxic and radioactive wastes? They are put in secure landfills or deep-well disposals.
What are point and nonpoint pollution sources? Point - pollutants are released at one readily identifiable spot Nonpoint - release of pollutant is diffuse
What is the term used to describe the amount of dissolved oxygen needed by aerobic biological organisms in a body of water to break down organic material present in a given water sample at certain temperature over a specific time period? biochemical oxygen demand
What causes eutrophication? lowered dissolved oxygen in the water
What are inorganic pollutants and where do they come from? concentrations are increased in the environment from harmless to toxic due to manufacturing, mining, and mineral-processing
What are the prinicipal sources of US air pollutants? carbon dioxide, carbon monoxide, nitrogen oxide, sulfer dioxide, volatile organic compounds, particulates
How is air pollution controlled? Clean Air Act Amendments, trapping pollutants (filters), converting dangerous compounds to less harmful ones prior to release, implementing emission control programs, monitoring, planning, and permit limits and source inspections
Created by: fiddlephreak
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