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Recent Advances in the Study of the Remediation of Polycyclic Aromatic Compound (PAC)-Contaminated Soils: Transformation Products, Toxicity, and Bioavailability Analyses
School of Science and Technology, Örebro University, Örebro, Sweden; Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis OR, United States. (Man-Technology-Environment (MTM))
Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis OR, United States; Department of Chemistry, Oregon State University, Corvallis OR, United States.
Örebro University, School of Science and Technology. (Man-Technology-Environment (MTM))ORCID iD: 0000-0003-1404-3186
2020 (English)In: Environmental Science and Technology Letters, E-ISSN 2328-8930, Vol. 7, no 12, p. 873-882Article in journal (Refereed) Published
Abstract [en]

Polycyclic aromatic compounds (PACs) encompass a diverse group of compounds, often found in historically contaminated sites. Different eperimental techniques have been used to remediate PAC-contaminated soils. This brief review surveyed more than 270 studies concerning remediation of PAC-contaminated soils and found that, while these studies often measured the concentration of 16 parent polycyclic aromatic hydrocarbons (PAHs) pre- and post-remediation, only a fraction of the studies included the measurement of PAC transformation products (PAC-TPs) and other PACs (n = 33). Only a few studies also incorporated genotoxicity/toxicity/mutagenicity analysis pre- and post-remediation (n = 5). Another aspect that these studies often neglected to include was bioavailability, as none of the studies that included measurement of PAH-TPs and PACs included bioavailability investigation. On the basis of the literature analysis, future remediation studies need to consider chemical analysis of PAH-TPs and PACs, genotoxicity/toxicity/mutagenicity, and bioavailability analyses pre- and post-remediation. These assessments will help address numerous concerns, including, among others, the presence, properties, and toxicity of PACs and PAH-TPs, risk assessment of soil post-remediation, and the bioavailability of PAH-TPs. Other supplementary techniques that aid in these analyses and recommendations for future analyses are also discussed.

Place, publisher, year, edition, pages
American Chemical Society (ACS) , 2020. Vol. 7, no 12, p. 873-882
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:oru:diva-86403DOI: 10.1021/acs.estlett.0c00677ISI: 000599321700002Scopus ID: 2-s2.0-85094649839OAI: oai:DiVA.org:oru-86403DiVA, id: diva2:1475540
Funder
Knowledge Foundation, 20160019NIH (National Institute of Health), P42ES016465NIH (National Institute of Health), P30ES030287Available from: 2020-10-13 Created: 2020-10-13 Last updated: 2022-10-31Bibliographically approved

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Titaley, IvanLarsson, Maria

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