Different Technologies For The Treatment Of
PAH Contaminated Sediments And
Consequences On Human Health Individual Risk
Author(s)
D. Cocarta, I. A. Oprea, M. Ragazzi, G. Andreottola,
G. Ziglio, A. Badea & T. Apostol
Abstract
Contaminated soils turn out to be a serious public health problem. For this
reason, in the present work two aspects are illustrated. The first one regards
different techniques for soil/sediment remediation. The sediments taken into
account are contaminated by polycyclic aromatic hydrocarbons. The second
aspect regards the influence of those on individual human health risk.
The technologies used in the experimental work are based on chemical and
electrochemical oxidation. The considered exposure pathway for the assessment
of the individual risk is soil ingestion. A few concentrations of total PAHs and
BaP were considered in order to exemplify the influence of different
technologies for soil remediation and effects on exposure through the soil
ingestion pathway.
Assuming that the impacted area could be dedicated to a specific use,
ingestion exposure pathway for organic pollutants as PAHs is one of the most
significant. Moreover, the ingestion is an essential pathway of exposure
considering that B(a)P carcinogenicity for the ingestion exposure pathway is one
order of magnitude higher than the one for the inhalation.
Based on the results of this study, both chemical oxidation and
electrochemical oxidation proved to be effective in the remediation of the
sediments of concern. Additionally, the possibility of using the human health risk
assessment as a tool in decisional criteria was underlined. The individual risk
was assessed considering the HRAIRC software developed through an
international PhD and some laboratory analyses performed at the Civil and
Environmental Department of the University of Trento, Italy.
Keywords: contaminated soils remediation, risk assessment, BaP, sediments.
Keywords
contaminated soils remediation, risk assessment, BaP, sediments.
Related Book
Other papers in this volume
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