We carry a wide range of luxury cars and luxury SUVs in Troy that make cruising Birmingham, Royal Oak, Rochester Hill, Sterling Heights and West Bloomfield a more enjoyable experience, and a test drive is never more than an inquiry away, meaning you can learn more about any model you're interested in with ease.
The U.S. Environmental Protection Agency (EPA) defines point source pollution as âany single identifiable source of pollution from which pollutants are discharged, such as a pipe, ditch, ship or factory smokestackâ (Hill, 1997).Factories and sewage treatment plants are two common types of point sources.Factories, including oil refineries, pulp and paper mills, and chemical, electronics and automobile manufacturers, typically discharge one or more pollutants in their discharged waters (called effluents).actories and sewage treatment plants are two common types of point sources. Factories, including oil refineries, pulp and paper mills, and chemical, electronics and automobile manufacturers, typically discharge one or more pollutants in their discharged waters (called effluents).
Categories of Pollution: Nonpoint Source. Nonpoint source pollution is difficult to control because it comes from many different sources and locations. Motor oil and other oil-based chemicals can be recognized by a characteristic rainbow-colored sheen. Click on image for larger view. Most nonpoint source pollution occurs as a result of runoff. When rain or melted snow moves over and through the ground, the water absorbs and assimilates any pollutants it comes into contact with (USEPA, 2004b).