1 For an average 2,200-square-foot home, expect to pay about $3,542. For a 3,500-square-foot home, expect to pay about $5,635.  Fire sprinklers cost 1%-2% of the cost of a new home. In already existing properties, sprinkler systems typically cost $2,000-$16,000. The low end of the range is for homes averaging 2,000 square feet in communities with fire sprinkler ordinances in place more than five years.
Non-point source (NPS) pollution refers to both water and air pollution from diffuse sources. Non-point source water pollution affects a water body from sources such as polluted runoff from agricultural areas draining into a river, or wind-borne debris blowing out to sea. Non-point source air pollution affects air quality from sources such as smokestacks or car tailpipes.
diffuser. n. 1. a person or thing that diffuses. 2. (Furniture) a part of a lighting fixture consisting of a translucent or frosted covering or of a rough reflector: used to scatter the light and prevent glare.3. (Electronics) a cone, wedge, or baffle placed in front of the diaphragm of a loudspeaker to diffuse the sound waves.4. (Aeronautics) a duct, esp in a wind tunnel or jet engine, that widens gradually in the direction of flow to reduce the speed and increase the pressure of the air or fluid. 5.. (Electronics) a cone, wedge, or baffle placed in front of the diaphragm of a loudspeaker to diffuse the sound waves. 4. (Aeronautics) a duct, esp in a wind tunnel or jet engine, that widens gradually in the direction of flow to reduce the speed and increase the pressure of the air or fluid. 5.