1.9 Environmental Pollution.pdf

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Keywords: Point Source : any single identifiable source of pollution from which pollutants are discharged, such as a pipe, ditch, ship or factory smokestack (Something you can point to). Non-point source: pollution that comes from many diffuse sources, it picks up and carries natural and human-made pollutants, depositing them into lakes, rivers, wetlands, coastal waters and ground waters. Pervasive: A pollutant that spreads easily and is found throughout the area of release Persistent pollutants : pollutants that are resistant to environmental degradation through chemical, biological, and photolytic processes, these pollutants stick around and are still detectable in nature decades after their release. Background level: Levels of chemical or physical agents that are normally found in the environment. Anthropogenic pollutants: originating in human activity.
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