scholarly journals Cyanobacterial Toxins Emerging Contaminants in Soils: A Review of Sources, Fate and Impacts on Ecosystems, Plants and Animal and Human Health

10.5772/64940 ◽  
2016 ◽  
Author(s):  
Noureddine Bouaïcha ◽  
Sylvain Corbel
Keyword(s):  
Human Health ◽  
Emerging Contaminants ◽  
Cyanobacterial Toxins

scholarly journals Resilience of Heterogeneous Aquifers Evaluated from Different Dose-Response Models of Bisphenol A

Proceedings ◽  
2019 ◽  
Vol 48 (1) ◽  
pp. 21
Author(s):  
Jinwoo Im ◽  
Calogero B. Rizzo ◽  
Felipe P. J. de Barros
Keyword(s):  
Bisphenol A ◽  
Human Health ◽  
Health Risks ◽  
Dose Response ◽  
Emerging Contaminants ◽  
Contaminated Sites ◽  
Heterogeneous Structure ◽  
Control Plane ◽  
Human Health Risks ◽  
The Impact

With the growing concerns over emerging contaminants in indirect potable reuse (IPR) applications, we investigate the impact on human health risk of emerging contaminants introduced into groundwater. Some emerging contaminants have potential endocrine-related health effects at a specific exposure range that is much lower than current guidelines. We start by analyzing Bisphenol A (BPA), which is one of the frequently detected emerging contaminants in groundwater. The objective of this study is to understand how the non-trivial toxicity of BPA affects the estimation of human health risks and, consequentially, aquifer resilience. Based on our results, we aim to provide indications on how to improve water resources management in BPA contaminated sites. We use numerical methods to model BPA contamination of a three-dimensional aquifer, and human health risks and aquifer resilience are estimated at a control plane representing an environmentally sensitive target. A Monte Carlo simulation is conducted to compute uncertainty associated with two levels of heterogeneity. In order to evaluate health risks due to BPA, two types of Dose-Response (DR) models are considered: the monotonic DR model for general exposure and the non-monotonic DR model for prenatal/postnatal exposure. The aquifer resilience is defined as the capacity to recover the state where groundwater is considered potable (i.e., negligible health risks due to BPA). When using the non-monotonic DR model, computational results indicate that the aquifer resilience reduces and its uncertainty increases as the aquifer heterogeneity increases. On the other hand, the aquifer resilience considering the monotonic DR model enhances, and its uncertainty increases relatively smaller than the one considering the non-monotonic DR model. In addition, the variability of the aquifer resilience is controlled by the residence time of the BPA plumes at the control plane, which is related to the volumetric flow rate at the front side of the contamination source. Finally, the decision-making strategy for BPA contaminated sites should be established in accordance with the heterogeneous structure of aquifer and land uses that determines which DR model of BPA is more important in estimating the aquifer resilience.

A Review of Emerging Contaminants in Water

2020 ◽  
pp. 177-202
Author(s):  
Alexandros I. Stefanakis ◽  
Julie A. Becker
Keyword(s):  
Human Health ◽  
Emerging Contaminants ◽  
Aquatic Environments ◽  
Contaminants Of Emerging Concern ◽  
Aquatic Life ◽  
Introduction Pathways ◽  
Analytical Instrumentation ◽  
Surface And Groundwater

Contaminants of emerging concern or, simply, emerging contaminants represent a newly discovered group of chemicals present in surface and groundwater. It was only the improvements in analytical instrumentation that allowed for the detection of these contaminants even at trace levels. The continuous detection of new chemicals with time raises questions concerning their source pathways, their fate, transport, transformations and impact on aquatic environments. The scope of this chapter is to present an overview of the contaminants classified as “emerging”, their sources and introduction pathways to the environment and the related risks to human health and aquatic life.

A Review of Emerging Contaminants in Water

2015 ◽  
pp. 55-80 ◽  
Author(s):  
Alexandros I. Stefanakis ◽  
Julie A. Becker
Keyword(s):  
Human Health ◽  
Emerging Contaminants ◽  
Aquatic Environments ◽  
Contaminants Of Emerging Concern ◽  
Aquatic Life ◽  
Introduction Pathways ◽  
Analytical Instrumentation ◽  
Surface And Groundwater

Contaminants of emerging concern or, simply, emerging contaminants represent a newly discovered group of chemicals present in surface and groundwater. It was only the improvements in analytical instrumentation that allowed for the detection of these contaminants even at trace levels. The continuous detection of new chemicals with time raises questions concerning their source pathways, their fate, transport, transformations and impact on aquatic environments. The scope of this chapter is to present an overview of the contaminants classified as “emerging”, their sources and introduction pathways to the environment and the related risks to human health and aquatic life.

scholarly journals Determination of the Bioaccumulative Potential Risk of Emerging Contaminants in Fish Muscle as an Environmental Quality Indicator in Coastal Lagoons of the Central Mexican Pacific

Water ◽  
2020 ◽  
Vol 12 (10) ◽  
pp. 2721
Author(s):  
Miguel Ángel Arguello-Pérez ◽  
Eduardo Ramírez-Ayala ◽  
Jorge Alberto Mendoza-Pérez ◽  
María Magdalena Monroy-Mendieta ◽  
Miguel Vázquez-Guevara ◽  
...  
Keyword(s):  
Human Health ◽  
Environmental Quality ◽  
Potential Risk ◽  
Quality Indicator ◽  
Emerging Contaminants ◽  
Coastal Lagoons ◽  
Fish Muscle ◽  
Rural Settlements ◽  
Mexican Pacific ◽  
Muscle Tissues

This research proposes an environmental quality indicator to detect, predict and scientifically evaluate the environmental impact generated by chemical substances within the pollutant group of nonsteroidal anti-inflammatory drugs (NSAIDs) that are categorized as emerging contaminants (ECs) with endocrine disruptive action. The present study was carried out in two coastal lagoons affected by wastewater produced by urban and rural settlements in the states of Colima and Jalisco. Four pharmaceutical compounds were analyzed: diclofenac, ibuprofen, ketorolac and naproxen. The muscle tissues of 14 fish species were analyzed; all had measurable concentrations of the four contaminants. The presence of the ECs was confirmed in all the samples collected. The bioaccumulative potential risk (BPR) of the ECs is estimated by calculating the environmental risk factors and the potential risks to human health, evaluating the concentration and assessing the risk involved in the incorporation of the pollutants into the environment. The BPR indicates the potential impact of NSAIDs on the ecology of these coastal lagoons, and predicts whether a contaminant is likely to act and persist in the environment and bioaccumulate in organisms. Additionally, it estimates the possibility of contamination and risks to human health caused by residues of the chemical contaminants.

Metals and emerging contaminants in groundwater and human health risk assessment

2019 ◽  
Vol 26 (24) ◽  
pp. 24581-24594 ◽  
Author(s):  
Luiza Flavia Veiga Francisco ◽  
Bruno do Amaral Crispim ◽  
Juliana Caroline Vivian Spósito ◽  
Julio César Jut Solórzano ◽  
Nayara Halimy Maran ◽  
...  
Keyword(s):  
Risk Assessment ◽  
Health Risk ◽  
Human Health ◽  
Health Risk Assessment ◽  
Emerging Contaminants ◽  
Human Health Risk ◽  
Human Health Risk Assessment

scholarly journals Cyanobacterial toxins, exposure routes and human health

1999 ◽  
Vol 34 (4) ◽  
pp. 405-415 ◽  
Author(s):  
Geoffrey Codd ◽  
Steven Bell ◽  
Kunimitsu Kaya ◽  
Clive Ward ◽  
Kenneth Beattie ◽  
...  
Keyword(s):  
Human Health ◽  
Cyanobacterial Toxins ◽  
Exposure Routes

scholarly journals Could EB irradiation be the simplest solution for removing emerging contaminants from water and wastewater?

2018 ◽  
Vol 13 (1) ◽  
pp. 172-183 ◽  
Author(s):  
A. G. Capodaglio
Keyword(s):  
Human Health ◽  
Emerging Contaminants ◽  
Aquatic Environments ◽  
Radiation Processing ◽  
Free Process ◽  
Regulatory Status ◽  
Effective Removal ◽  
Water And Wastewater ◽  
Removal Technologies ◽  
Specific Technology

Abstract Newly observed presence of ‘emerging contaminants’, defined also Compounds of Emerging Concern, chemicals without regulatory status and which impact on environment and human health are poorly understood has been amply reported in wastewater and aquatic environments. ‘Conventional’ water pollutants have been described for decades and their impact on human health and the environment are known; effective technologies for their removal are well established. This is not the case for most emerging contaminants: no effective removal technologies have been discovered to date, to simultaneously remove all of the concerned contaminants, even though some techniques have been demonstrated to remove some contaminants to a certain extent. Radiation processing using electron beam (EB) accelerators and gamma irradiators has shown promising results in many water-related applications. Radiation/EB processing is an additive-free process using short lived reactive species formed during radiolysis of water for decomposition of pollutants. Isolated studies have demonstrated the effectiveness of radiation, alone or in combination with other treatments, in the decomposition of refractory organic compounds in aqueous solutions and in the removal or inactivation, of microorganisms and parasites. This review paper on this specific technology summarizes results of reported applications.

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