Domestic Nonpoint Pollution Reduction Facility Operation Status
* Nonpoint Pollution : Pollution created other places than factory and livestock cage where pollutant is regularly discharged. The most common example is that pollutant falls down on the earth becoming dirt and this nonpoint pollutant..
Domestic Radon Safety Measures – Indoor Air Quality Management Law Amendment
* Radon(Rn) : Radon is a chemical element of which element symbol is Rn and element number is 86. Radon is inert radioactive gas without color, taste and smell and heavier than air. In the nature, it is generated by na..
* Green tide: Due to mass increase of floating current in eutrophicated lake or river with slow velocity, the phenomenon of accumulation of the floating current on the water surface causing the color of water to be substantially green. Eutrophication occ..