Kōdo shorigata jōkasō no seibi sokushin ni kansuru chōsa gyōmu hōkokusho
Subtitle: Heisei 22-nendo
By: Kankyoshō Haikibutsu Taisakuka Jōkasō Suishinshitsu, Nihon Kankyō Seibi Kyōiku Sentā
Contributors: Nihon Kankyō Seibi Kyōiku Sentā
Publisher: Kankyoshō Haikibutsu Taisakuka Jōkasō Suishinshitsu
Published: 2011
Place of publication: [Tōkyō-to Chiyoda-ku]
Language: jpn
Number of pages: 95
Subjects: Septic tanks; Water quality management
Notes: Cover title.