This paper surveys the needs associated with environmental monitoring and longterm environmental stewardship. Emerging sensor technologies are reviewed to identify compatible technologies for various environmental monitoring applications. The contaminants that are considered in this report are grouped into the following categories: (1) metals, (2) radioisotopes, (3) volatile organic compounds, ...

Abstract. Groundwater is a vital resource for the development of urban areas, where problem focuses on quantity and quality this freshwater resource. Barcelona good example as because currently groundwater used irrigation parks gardens street cleaning due to its poor drinking water source. Among pollutants found in groundwater, special interest are contaminants emerging concern (CEC), they pose...