In American the meaning of the name Amy is: Beloved. The name Amy is a French baby name. In French the meaning of the name Amy is: Dearly loved; Beloved. From the Old French Amee, which derives from the Latin amatus meaning loved. In common use after publication of American Louisa May Alcott's 'Little Women'.
There are two main types of pollution, point source pollution and nonpoint source pollution. Point source pollution comes from one source (you can easily point to it) like a factory or waste water treatment plant.
Section 502 ( 14 ) of the Clean Water Act defines point source pollution as ,  ...any discernible , confined and discrete conveyance , including but not limited to any pipe , ditch , channel , tunnel , conduit , well , discrete fissure , container , rolling stock , concentrated animal feeding operation , or vessel or other floating craft , from ...