About SHIRAYAMA HAJIME
About 富山県環境科セ
About TAGUCHI SHIGERU
About waste water treatment
About Industrial wastewater treatment
About Tetrachloroethylene
About Trichloroethylene
About 1,2-Dichloroethane
About Carbon Tetrachloride
About Chloroform
About 紫外線
About 有機塩素化合物
About 光分解