[Behaviour of chemicals in soil and groundwater and the importance to groundwater protection]

abastecimiento de agua agua potable approvisionnement en eau aromatic hydrocarbons calidad del agua conservation de l'eau contaminantes danemark degradation denmark dinamarca drinking water eau potable eau souterraine environmental policies groundwater heavy metals hydrocarbure aromatique metales pesados ph politique de l'environnement polluant pollutants procesos de transporte en el suelo soil transport processes transport dans le sol water conservation water quality water supply watershed management