Occurrence of volatile organic compounds in shallow alluvial aquifers of a Mediterranean region: Baseline scenario and ecological implications

The Science of the Total Environment
T Di LorenzoM Petitta

Abstract

A regional survey of eight volatile organic compounds (VOCs), namely BTEX (benzene, toluene, ethylbenzene and p-xylene) and four chlorinated aliphatic hydrocarbons (CAHs: chloroform, 1,2-dichloroethane, trichloroethene and tetrachloroethene), was carried out at 174 sites, in 17 alluvial aquifers of Abruzzo, a Mediterranean region of southern Italy, from 2004 to 2009. Frequency of detection, concentration range, spatial distribution pattern, and temporal trend of contaminant concentration in each aquifer were analyzed as well as the relationships between VOC concentrations and the total amount of precipitation during the 90days preceding each sampling date. A review of published ecotoxicological data, providing an indication of the biological risk associated with the observed levels of VOC contamination, was presented and discussed. BTEX concentrations were under detection limits in all the investigated aquifers, indicating absence of contamination. In contrast, CAH contamination occurred in 14 out of 17 aquifers. The two most frequently detected compounds were chloroform and tetrachloroethene. No significant temporal trend was observed for chloroform and tetrachloroethene concentrations during the six years of observation, indi...Continue Reading

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Citations

Jul 28, 2016·The Science of the Total Environment·Zhou ChengJichun Wu
Apr 4, 2017·Biomarkers : Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals·Paolo CocciFrancesco Alessandro Palermo
Sep 4, 2019·Environmental Monitoring and Assessment·Abdulaziz S AlquwaizanyAbdulrahman I Alabdulaaly
Nov 27, 2018·Environmental Monitoring and Assessment·Diana Anoubam SharmaDiksha Pant
Jul 14, 2021·Environmental Science and Pollution Research International·Shan LiuRong Chen

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