Abstract
The achievement of environmental standard situation of COD in Gulf of Toyama changed in the low situation of 32-60% after 1997. It was concluded that a rise of COD was Inside Production of photo plankton which assumed mineral nutrition salts (nitrogen⁄phosphorus) from land level nourishment source in investigation of Toyama prefecture in 2001, and an action of premeditated reduction of nitrogen⁄phosphorus in Manufacturing and The sewerage treatment was judged with need. This paper introduce an action in Nomachi Mill for corresponding to a plan of Toyama prefecture.
