Manual of Measures to Tackle Water Pollution related to Nitrate Nitrogen and Nitrite Nitrogen

	English	Abb.	学名	日本語	略称
1	Manual of Measures to Tackle Water Pollution related to Nitrate Nitrogen and Nitrite Nitrogen			硝酸性窒素及び亜硝酸性窒素に係る水質汚染対策マニュアル