Special Issue "Risk Assessment of Environmental Contaminants"
A special issue of Toxics (ISSN 2305-6304).
Deadline for manuscript submissions: 28 February 2014
Prof. Dr. Marta Schuhmacher
Environmental Engineering Laboratory, Departament d'Enginyeria Quimica, Universitat Rovira i Virgili, Av. Països Catalans 26, 43007 Tarragona, Catalonia, Spain
Interests: human health risk assessment; chemical mixtures; decision support systems; ecotoxicology; modelling of environmental pollution
Dr. Martí Nadal
Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Sant Llorenç 21, 43201 Reus, Catalonia, Spain
Interests: human health risk assessment; chemical mixtures; emerging pollutants; ecotoxicology; biomonitoring
Since a broad range of chemicals is released by urban communities and industries, anthropogenic activities may have an important impact for the environment and the human health. Once they reach the environment, these substances are spread and, ultimately, they enter the human body through several direct (e.g., air inhalation) or indirect (e.g., food consumption) exposure pathways. Understanding the extent to which ecosystems and human populations are exposed to environmental contaminants is essential to identify those pollutants of most concern. Environmental contaminants are ubiquitous, being present not only in
environmental matrices or foodstuffs, but also in personal care products, electronic devices, as well as many other home products. Classical approaches for assessing health risks have focused on the individual evaluation of a single source, pathway or adverse effect. Moreover, pollutants are considered independently, and their chemical interactions have not been taken into account. However, people are really exposed to multiple contaminants from a variety of sources and through different pathways. Therefore, tools to help the assessment of the co-exposure to environmental contaminants, and the associated human health risks are needed. New science-based risk assessment methods are essential as supporting tools for stakeholders of decision-making processes.
Articles selected in this Special Issue of Toxics will cover a number of timely research questions in the area of “Risk assessment of environmental contaminants”, with special emphasis on the combined exposure to chemical pollutants. This Special Issue will cover studies related with:
- Environmental and human monitoring
- Exposure and co-exposure models
- Biomarkers for health risk assessment
- Emerging pollutants in the environment
- Mixtures of environmental contaminants
- Risk management and communication
- Physiologically-based pharmacokinetic (PBPK) modeling for risk assessment
- Nanotoxicology: Risk assessment of nanomaterials
Professor Dr. Marta Schuhmacher
Dr. Martí Nadal
Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. Papers will be published continuously (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.
Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are refereed through a peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Toxics is an international peer-reviewed Open Access quarterly journal published by MDPI.
Please visit the Instructions for Authors page before submitting a manuscript. For the first couple of issues the Article Processing Charge (APC) will be waived for well-prepared manuscripts. English correction and/or formatting fees of 250 CHF (Swiss Francs) will be charged in certain cases for those articles accepted for publication that require extensive additional formatting and/or English corrections.
- human health risk assessment
- exposure assessment
- risk management
- chemical mixtures
- PBPK modeling
- combined exposure
Article: Personal Exposure to Air Pollution in Office Workers in Ireland: Measurement, Analysis and Implications
Toxics 2013, 1(1), 60-76; doi:10.3390/toxics1010060
Received: 8 October 2013; in revised form: 13 November 2013 / Accepted: 14 November 2013 / Published: 2 December 2013| Download PDF Full-text (990 KB) | Download XML Full-text
The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.
Type of Paper: Article
Title: Levels of Metals in Hair and Testosterone in Blood in the Childhood: Potential Neuropsychological Alterations
Authors: Margarita Torrente1,2,*, Mireia Gascón3,4,5, Martine Vrijheid3,4,5, Jordi Sunyer3,4,5,6, Joan Forns3,4,5, José L. Domingo1 and Martí Nadal1
Affiliation: 1Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Reus, Catalonia, Spain; E-Mail: firstname.lastname@example.org (J.L.D.); email@example.com (M.N.)
2Research Center for Behavior Assessment (CRAMC), Department of Psychology, Universitat Rovira i Virgili, 43007 Tarragona, Catalonia, Spain
3 Centre for Research in Environmental Epidemiology (CREAL), Dr. Aiguader 88, 08003 Barcelona, Catalonia, Spain.; E-Mails: firstname.lastname@example.org (M.G.); email@example.com (M.V.); firstname.lastname@example.org (J.S.); email@example.com (J.F.)
4 Hospital del Mar Research Institute (IMIM), Barcelona, Catalonia, Spain.
5 Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Barcelona, Catalonia, Spain.
6 Universitat Pompeu Fabra (UPF), Barcelona, Catalonia, Spain.
Abstract: For more than 100 years, an electrochemical plant is operating in Flix (Catalonia, Spain) by the Ebro River. Its activities have originated a severe accumulation of environmental contaminants (metals, organochlorinated pesticides, and radionuclides) in sediments of the Flix reservoir, while mercury (Hg) has been also frequently released to air. Environmental exposure to industrial pollutants has been associated with decreased intelligence and behavioral problems. In the present study, we assessed in children living in the village of Flix and surrounding villages, the relationships between the concentrations of a number of trace elements (As, Be, Cd, Cs, Hg, Mn, Ni, Pb, Sn, Tl, U, and V) in hair and the levels of testosterone in blood, with respect to potential neuropsychological alterations. Lead (Pb) and Hg showed the highest mean concentrations in hair samples. However, the current Hg levels were lower than those previously found in children living in the same zone, while the concentration of the remaining elements were similar to those reported in the scientific literature. The outcomes of certain neuropsychological indicators showed a significant correlation with metals such as Pb and uranium (U). More specifically, these elements were negatively associated with working memory and hit reaction time, suggesting impulsivity. In summary, although Pb and U concentrations in hair were within standard levels, both metals could be correlated with certain, but minor, neuropsychological alterations in the childhood population of Flix.
Type of Paper: Article
Title: Personal Exposure to Air Pollution in Office Workers in Ireland: Measurement, Analysis & Implications.
Authors: Andrew McCreddin 1†, Laurence Gill 1†, Brian Broderick 1† and Aonghus McNabola 1,*
Affiliation: 1Dept of Civil, Structural & Environmental Engineering, Trinity College Dublin, Ireland
Abstract: An experimental assessment of personal exposure to PM10 in 59 office workers was carried out in Dublin, Ireland. 255 samples of 24 hour personal exposure were collected in real time over a 28 month period. The investigation included an assessment of the uptake of pollutants in the lungs during various daily activities using a Human Respiratory Tract Model. The results of the investigation showed that indoor air quality was the overriding determinant of average daily personal exposure as participants in the study spent over 92% of their time indoors. Exposure in the workplace and exposure at home were the most important microenvironments in total uptake of particulate matter. Exposure while commuting or shopping were found to play a minor role in comparison. The investigation highlighted the importance of considering pollutant uptake as well as personal exposure among receptors where variations in levels of physical activity and duration of exposure are present.
Type of Paper: Article
Title: Scopes and limitations of mathematical models applied to a risk assessment of soil in Ogoni, Nigeria, contaminated by toxic crude oil
Authors: Hannes Thiergärtner1 & Kay Holtzmann2
Affiliation: 1 Prof. Dr. Hannes Thiergärtner, Faculty of Geosciences, Free University Berlin, c/o Kohlisstraße 65, D-12623 Berlin, Germany; E-mail firstname.lastname@example.org;
2 Dipl.-Geol. Kay Holtzmann, Consulting Geologist, Hobrechtstraße 81, D-12043 Berlin, Germany; E-mail email@example.com
Abstract: In 2010, an “Environmental Impact Assessment” in the Ogoni area, Federal Republic of Nigeria, yielded the detection of severe ecological hazards caused by the production and transport of crude oil. Soil and groundwater are locally unacceptably high contaminated by above all toxic hydrocarbons. The Ogoni people and natural compartments are directly exposed towards the dangerous contamination. Aliphatics and aromatics are jointly strong and linear correlated indicating that there is no natural differentiation of the contaminants. It could be shown that there is no linkage between the degree of contamination and the depth of the soil samples. Both results indicate incomplete remediation activities on the sites. The analytical results of the soil samples were also studied by multivariate heuristic classifying methods. The amount of 665 analyzed samples was reduced to 28 classes which represent contamination patterns distinguishable by kind and degree of pollution. Eight examples taken from the four studied Local Government Areas Eleme, Gokana, Khana, and Tai visualize results obtained by multivariate classification of soil samples. They will be discussed and compared with results of environmental investigations of the upper aquifer. Aim and scope of the present contribution is to encourage environmental experts to support their research by mathematical methods. Pros and contras of the application of well established and of newer mathematical models used in geosciences will be discussed showing how to integrate these tools into the investigative work.
Last update: 29 October 2013