A chemical used as an agricultural fumigant and in certain industrial processes. Extremely toxic and found to be a carcinogen in laboratory animals, EDB has been banned for most agricultural uses in the United States. Shallow, murky bodies of water with concentrations of plant nutrients causing excessive production of algae. The slow aging process during which a lake, estuary, or bay evolves into a bog or marsh and eventually disappears. During the later stages of eutrophication the water body is choked by abundant plant life due to higher levels of nutritive compounds such as nitrogen and phosphorus.
Human activities can accelerate the process.
The loss of water from the soil both by evaporation and by transpiration from the plants growing in the soil. Zoning that excludes classes of persons or businesses from a particular neighborhood or area. Specific organic compounds not subject to requirements of regulation because are deemed by EPA to be of negligible photochemical reactivity. Underground bodies of water defined in the Underground Injection Control program as aquifers that are potential sources of drinking water though not being used as such, and thus exempted from regulations barring underground injection activities. A species that is not indigenous to a region.