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This paper shows a characterization of the organic and inorganic fraction of river waters (Tiber and Marta) and ores/soil samples collected in the Northern Latium region of Italy for evaluating the anthropogenic/natural source contribution to the environmental pollution of this area. For organic compounds, organochloride volatile compounds in Tiber and Marta rivers were analyzed by two different clean-up methods (i.e., liquid-liquid extraction and static headspace) followed by gas chromatography-electron capture detector (GC-ECD) analysis. The results show very high concentrations of bromoform (up to 1.82 and 3.2 µg L -1 in Tiber and Marta rivers, respectively), due to the presence of greenhouse crops, and of chloroform and tetrachloroethene, due to the presence of handicrafts installations. For the qualitative and quantitative assessment of the inorganic fraction, it is highlighted the use of a nuclear analytical method, instrumental neutron activation analysis, which allows having more information as possible from the sample without performing any chemical-physical pretreatment. The results have evidenced high levels of mercury (mean value 88.6 µg g -1 ), antimony (77.7 µg g -1 ), strontium (12,039 µg g -1 ) and zinc (103 µg g -1 ), whereas rare earth elements show levels similar to the literature data. Particular consideration is drawn for arsenic (414 µg g -1 ): the levels found in this paper (ranging between 1 and 5100 µg g -1 ) explain the high content of such element (as arsenates) in the aquifer, a big issue in this area.

international journal of environmental  research and public health/international journal of environmental research and public health

Halogenated Volatile Organic Compounds in Water Samples and Inorganic Elements Levels in Ores for Characterizing a High Anthropogenic Polluted Area in the Northern Latium Region (Italy)