School Environmental Health on the Water Source, Supply and Condition in Northeastern and Northern Thailand

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  • タイ国東北部・北部の水源，供給ならびに水質からみた学校環境衛生
  • タイコク トウホクブ ホクブ ノ スイゲン キョウキュウ ナラビニ スイシツ カラ ミタ ガッコウ カンキョウ エイセイ

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The purposes of this study were to identify the water source and supply route, to examine the quality of the water and to provide the date that were utilized to improve the school environmental health in Northeastern and Eastern Thailand. In resent years, Ministry of Public Health has tried to improve the water quality and to supply water safety using small-scale water-supply system in rural area. However various factors such as weather, natural features and human life make difficult to improve water quality. Colon bacilli polluted two thirds of water inspected from sites. Furthermore, both cadmium and lead polluted almost all inspected drinking water. For preventing bacteria pollution, it is important to make manuals concerning water-filter cleaning, drinking-water preservation and to apply them. Pollution coursed by heavy metal should be specified and gotten rid of.

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