Reference Materials concerning the Basic Policies of Total Reduction of Chemical Oxygen Demand, Nitrogen, and Phosphorus

	English	Abb.	学名	日本語	略称
1	Reference Materials concerning the Basic Policies of Total Reduction of Chemical Oxygen Demand, Nitrogen, and Phosphorus			化学的酸素要求量、窒素含有量及びりん含有量に係る総量削減基本方針に関する参考資料