About TANAKA YOSHITO
About 福岡県保健環境研
About NAGAFUCHI YOSHITAKA
About 新日本環境コンサルタント
About KUMAGAI HIROSHI
About 福岡県保健環境研
About SHIRAKAWA YUKARI
About 福岡県田川保健福祉環境事務所
About MATSUO HIROSHI
About 福岡県保健環境研
About 季刊全国環境研会誌
About water pollution
About character(group theory)
About public waters
About organic substance
About TOC
About Fukuoka prefecture
About water quality control
About BOD
About water quality index
About Water pollution in general
About 福岡
About 公共用水域
About TOC
About 有機汚濁
About 傾向
About 水質保全
About 対策
About 指標