Effect of solid waste landfill organic pollutants on groundwater in three areas of Sicily (Italy) characterized by different vulnerability

Giuseppe Avellone, Salvatrice Vizzini, Rossella Di Leonardo, David Bongiorno, Leopoldo Ceraulo, Serena Indelicato, Santino Orecchio, Vita Di Stefano, Claudio Scaletta, Esterina Gagliano Candela, Sabina Morici, Giovannella Pecoraino, Antonino Pisciotta, Leonardo La Pica, Salvatrice Vizzini, Rocco Favara, Sergio Bellomo, Fabio Vita, Alfonsa Bellomo

Risultato della ricerca: Articlepeer review

10 Citazioni (Scopus)

Abstract

The aim of this study was to obtain information on the presence and levels of hazardous organic pollutants in groundwater located close to solid waste landfills. Eighty-two environmental contaminants, including 16 polycyclic aromatic hydrocarbons (PAHs), 20 volatile organic compounds (VOCs), 29 polychlorinated biphenyls (PCBs), 7 dioxins (polychlorinated dibenzo-p-dioxins, PCDDs) and 10 furans (polychlorinated dibenzofurans, PCDFs) were monitored in areas characterised by different geological environments surrounding three municipal solid waste landfills (Palermo, Siculiana and Ragusa) in Sicily (Italy) in three sampling campaigns. The total concentrations of the 16 PAHs were always below the legal threshold. Overall, the Fl/Fl + Py diagnostic ratio revealed that PAHs had a petrogenic origin. VOC levels, except for two notable exceptions near Palermo landfill, were always below the legal limit. As concerns PCB levels, several samples were found positive with levels exceeding the legal limits. It is worth noting that the % PCB distribution differs from that of commercial compositions. In parallel, some samples of groundwater containing PCDDs and PCDFs exceeding the legal threshold were also found. Among the 17 congeners monitored, the most abundant were the highest molecular weight ones.
Lingua originaleEnglish
pagine (da-a)16869-16882
Numero di pagine14
RivistaENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL
Volume24
Stato di pubblicazionePublished - 2017

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Pollution
  • Health, Toxicology and Mutagenesis

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