カゴシマケン カセン ノ スイシツ チョウサ (ダイ1ポウ) : シンカワ (タガミガワ) ノ スイシツ

Recently, inhabitans have been concerned with pollution. Specially, water is necessities for our living, and is used for living, manufacture, agricalture, and others. These rivers are comparatively small scale in Kagoshima city and the water qualities became poor together with increase in population. It is very important thing to reserch of the water conditions. Therefore the author studied the qualities of the Tagami river. The result are given in the accompanying table pH : 7.37, Clearness : 25cm, hardness : 35.33ppm. COD : 3.75ppm, ABS : 0.65ppm, etc. It is considered that the living pollution contained much volume in the water of Tagami river and origin of the pollution has been determined, and affraid that the pollution has been spread out if leave off the condition