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Recent Emerging Contaminants Articles

Recently published articles from Emerging Contaminants.

Antibiotics in two municipal sewage treatment plants in Sri Lanka: Occurrence, consumption and removal efficiency

Dilanka N.D. Samaraweera | Xin Liu | Guangcai Zhong | Tilak Priyadarshana | Riffat Naseem Malik | Gan Zhang | Mahdi Safaei Khorram | Zewen Zhu | Xianzhi Peng

Most of the monitoring data on the occurrence of antibiotics in sewage treatment plants (STPs) have been reported from Europe, North America and some countries in Northeast Asia, while very limited...

Levels and trends of poly- and perfluoroalkyl substances in the Arctic environment – An update

Derek Muir | Rossana Bossi | Pernilla Carlsson | Marlene Evans | Amila De Silva | Crispin Halsall | Cassandra Rauert | Dorte Herzke | Hayley Hung | Robert Letcher | Frank Rigét | Anna Roos

Poly- and perfluoroalkyl substances (PFASs) are important environmental contaminants globally and in the early 2000s they were shown to be ubiquitous contaminants in Arctic wildlife. Previous reviews...

Dose specific responses of Anabas testudineus (Bloch) to anthracene (PAH): Haematological and biochemical manifestation

Sukhendu Dey | Palas Samanta | Niladri Sekhar Mondal | Debraj Kole | Arghya Mandal | Atanu Patra | Apurba Ratan Ghosh

Present work compared the toxicological responses of A. testudineus (Bloch) to anthracene exposure after treatment with two concentrations i.e., 25% (0.0075 mg/l) and 50% (0.015 mg/l) of LC50 value...

A review of chlorinated paraffin contamination in Arctic ecosystems

Katrin Vorkamp | Jennifer Balmer | Hayley Hung | Robert J. Letcher | Frank F. Rigét

Chlorinated paraffins (CPs) present a complex mixture of congeners which are often analysed and assessed as short-, medium- and long-chain CPs, i.e. ΣSCCP (C10–C13), ΣMCCP (C14–C17) and ΣLCCP (≥C18)....

Temporal trends of per- and polyfluoroalkyl substances (PFAS) in the influent of two of the largest wastewater treatment plants in Australia

Hue T. Nguyen | Sarit L. Kaserzon | Phong K. Thai | Soumini Vijayasarathy | Jennifer Bräunig | Nicholas D. Crosbie | Anders Bignert | Jochen F. Mueller

Per- and polyfluoroalkyl substances (PFAS) are found ubiquitously in wastewater treatment plants (WWTPs) due to their multiple sources in industry and consumer products. In Australia, limited spatial...

Current-use halogenated and organophosphorous flame retardants: A review of their presence in Arctic ecosystems

Katrin Vorkamp | Jennifer Balmer | Hayley Hung | Robert J. Letcher | Frank F. Rigét | Cynthia A. de Wit

Since the ban of polybrominated diphenyl ethers (PBDEs) and hexabromocyclododecane (HBCDD), other flame retardants may be increasingly used. Thirty-one current-use halogenated (HFRs) and 24 organophosphorous...

Identifying further chemicals of emerging arctic concern based on ‘in silico’ screening of chemical inventories

Derek Muir | Xianming Zhang | Cynthia A. de Wit | Katrin Vorkamp | Simon Wilson

In the past 12 years several studies have screened lists of thousands of chemicals available in the industrial chemical inventories of the European Union, the USA and Canada with the goal of identifying...

Occurrence, distribution and ecological risk assessment of organophosphorus flame retardants and plasticizers in sediment samples along the Vaal River catchment, South Africa

Tlou B. Chokwe | Jonathan O. Okonkwo

The occurrence, distribution and ecological risk assessment of twelve (12) organophosphorus flame retardants (OPFRs) were investigated in sediments from the Vaal River, South Africa. Six halogenated...

Emerging bisphenol a replacements (colour developers) in indoor dust from Spain

María Jesús Dueñas-Mas | Ana Ballesteros-Gómez | Soledad Rubio

Bisphenol A (BPA) and replacements, such as bisphenol S (BPS) and F (BPF) and other substitutes (BPS-MAE, D-8 and TGSA) have been recently reported in thermal paper. In this study, BPA, BPS, BPF; BPS-MAE,...

Global evolution of organochlorine pesticides research in biological and environmental matrices from 1992 to 2018: A bibliometric approach

Chijioke Olisah | Omobola O. Okoh | Anthony I. Okoh

The analysis of organochlorine pesticides (OCPs) in ecosystem components has been a major niche area among environmental scientists, probably due to their endocrine-disruptive properties. Here, we evaluated...

A review of organotin contamination in arctic and subarctic regions

John R. Kucklick | Michael D. Ellisor

Organotin (OT) compounds are of continued Arctic concern as they are still widely used despite the most well-studied OT, tributyl tin (TBT), being restricted from use on marine vessels to prevent fouling...

Effective adsorptive removal of amoxicillin from aqueous solutions and wastewater samples using zinc oxide coated carbon nanofiber composite

James Madimetja Chaba | Philiswa N. Nomngongo

This study reports the removal of amoxicillin from environmental water matrices using zinc oxide coated carbon nanofibers composite as an adsorbent. The structural and surface properties of zinc oxide...

Sources and environmental fate of pyrogenic polycyclic aromatic hydrocarbons (PAHs) in the Arctic

Jennifer E. Balmer | Hayley Hung | Yong Yu | Robert J. Letcher | Derek C.G. Muir

Polycyclic aromatic hydrocarbons (PAHs) are large class of hydrophobic, semi-volatile organic contaminants that may enter the environment from both natural sources and anthropogenic activities. Pyrogenic...

Effects of plant density on the bioremediation of soils contaminated with polyaromatic hydrocarbons

Mohammad Hazaimeh | Asia Fadhile Almansoory | Sahilah Abd Mutalib | Belal Kanaan

This study aims to evaluate the effects of plant density on the degradation of polyaromatic hydrocarbon (PAH) compounds in soils contaminated with crude oil. In this work, Axonopus compressus was applied...

Hexachlorobutadiene (HCBD) contamination in the Arctic environment: A review

Jennifer E. Balmer | Hayley Hung | Katrin Vorkamp | Robert J. Letcher | Derek C.G. Muir

Hexachlorobutadiene (HCBD) is a halogenated hydrocarbon that is primarily produced as an unintentional byproduct in the manufacture of chlorinated solvents. Similarities between HCBD and other persistent...

A review of halogenated natural products in Arctic, Subarctic and Nordic ecosystems

Terry F. Bidleman | Agneta Andersson | Liisa M. Jantunen | John R. Kucklick | Henrik Kylin | Robert J. Letcher | Mats Tysklind | Fiona Wong

Halogenated natural products (HNPs) are organic compounds containing bromine, chlorine, iodine, and rarely fluorine. HNPs comprise many classes of compounds, ranging in complexity from halocarbons to...

Levels and trends of current-use pesticides (CUPs) in the arctic: An updated review, 2010–2018

Jennifer E. Balmer | Adam D. Morris | Hayley Hung | Liisa Jantunen | Katrin Vorkamp | Frank Rigét | Marlene Evans | Magali Houde | Derek C.G. Muir

Global regulations and many regional and national controls restrict the use of substances that exhibit the potential for environmental persistence and long-range transport. Nevertheless, many current-use...

Degradation of 2,4-dichlorophenoxyacetic acid by UV 253.7 and UV-H2O2: Reaction kinetics and effects of interfering substances

Asok Adak | Indrasis Das | Bijoli Mondal | Suman Koner | Pallab Datta | Lee Blaney

This work investigates the degradation of 2,4-dichlorophenoxy acetic acid (2,4-D) using UV irradiation and the UV-H2O2 advanced oxidation process (AOP). For UV irradiation at 253.7 nm, ∼66% degradation...

Application of self-supplying iron cathode prepared by gas sludge in Electro-Fenton

Lichao Zhou | Yuwen Xiao | Jiaxiang Liang | Diyong Tang | Jie Sun

This study is a new method for recovery and utilization of waste gas sludge from iron and steel industry. Because the gas sludge contains iron and carbon elements, the gas sludge is prepared into an...

Study on photodegradation pathway and mechanism of 2,2′,4,4′-Tetrabromodiphenyl ether

Peng-Yan Liu | Yan-Na Zhang | Zhen Gao | Zhan-Sheng Li

This paper focuses on the pathway, the kinetic laws and the mechanisms of BDE-47 photo-degradation in the environment. By changing the degradation conditions (such as light sources, solvents, inorganic...

Laboratory studies on leaching of HBCDD from building insulation foams

William A. Stubbings | Stuart Harrad

A series of laboratory experiments were conducted to study emissions of hexabromocyclododecane (HBCDD) into aqueous leaching fluid under simulated landfill conditions. Expanded (EPS) and extruded (XPS)...


Cynthia A. de Wit

Small-scale waste incinerators in rural China: Potential risks of dioxin and polychlorinated naphthalene emissions

Lili Yang | Guorui Liu | Qingqing Zhu | Minghui Zheng

Rapid development has led to a tremendous increase in the volume of solid waste produced in rural China. The annual amount of solid waste produced from Chinese rural areas is approximately 110 million...

Distribution, sources and risk of exposure to polycyclic aromatic hydrocarbons in indoor dusts from electronic repair workshops in southern Nigeria

Chukwujindu M.A. Iwegbue | Grace Obi | Stephen A. Uzoekwe | Francis E. Egobueze | Eze W. Odali | Godswill O. Tesi | Godwin E. Nwajei | Bice S. Martincigh

This study evaluates the characteristic levels, sources and risk of human exposure to polycyclic aromatic hydrocarbons (PAHs) in indoor dusts from electronic repair workshops in southern Nigeria. The...

Senecio bonariensis Hook. & Arn. promising arsenic phytoextractor from water in laboratory and field trials

Vanesa Pérez Cuadra | Viviana Cambi | Martín Espósito | María Gabriela Sica | Magalí Verolo | Amira Siniscalchi | Elisa Rosalia Parodi

The use of plant species to cleanse groundwater with excessive concentrations of arsenic (As) derived from contact with weathered materials has become a valuable option to treat it. The aim of this...

‘New’ unintentionally produced PCBs in the Arctic

Paul W. Bartlett | Elisabeth Isaksson | Mark H. Hermanson

Contamination of the Arctic by legacy polychlorinated biphenyls (PCB) is well documented, but the more recent discovery of unintentionally produced (UP) PCBs in the Arctic is a cause for concern. Legacy...

Role of organic amendments in reducing leaching of sulfosulfuron through wheat crop cultivated soil

Varsha Joshi | Archana Suyal | Anjana Srivastava | Prakash Chandra Srivastava

A field study with wheat crop was undertaken to examine the efficacy of two soil amendments, cereal straw and fresh cow dung slurry, in reducing leaching of sulfosulfuron to groundwater and its residue...

Extremely low-frequency magnetic field exposure level for Koreans by occupational code

Joon Sig Jung | Mailan Arachchige Don Rajitha Kawshalya | In Keun Shim | Jung Min Ryu | Myung Hee Kwon | Duck Shin Park | Seung Cheol Hong

This study attempted to identify the level of exposure of 350 subjects to the extremely low-frequency magnetic field (ELF-MF). The occupational group showed significantly high levels of ELF-MF in every...

Hazardous metals emissions from e-waste-processing sites in a village in northern Vietnam

Natsuyo Uchida | Hidenori Matsukami | Masayuki Someya | Nguyen Minh Tue | Le Huu Tuyen | Pham Hung Viet | Shin Takahashi | Shinsuke Tanabe | Go Suzuki

Inappropriate e-waste-processing operation is a serious issue in developing countries since the early 2000's. Field research was conducted to clarify its influences and diffuse toxic substances in the...

Distribution of total mercury in surface sediments and African catfish (Clarias gariepinus) from Akaki River catchment and Aba Samuel Reservoir, downstream to the mega-city Addis Ababa, Ethiopia

Alemnew Berhanu Kassegne | Jonathan O. Okonkwo | Tarekegn Berhanu Esho | Kebede Nigussie Mekonnen | Tshia Malehase | Seyoum Leta Asfaw

Total mercury (THg) levels were determined in sediment (n = 22) and muscle of Clarias gariepinus (n = 36) in dry and rainy seasons from Akaki River catchment and Aba Samuel Reservoir, Ethiopia in 2016-2017....

Peroxymonosulfate assisted mechanochemical method for the degradation of phenanthrene in contaminated soils

Guoxuan Fan | Xitao Liu | Chunye Lin | Peizhong Li

In recent years, mechanochemical method has received attention in the field of degrading pollutants, especially for persistent organic pollutants. In this study, peroxymonosulfate (PMS) as a co-grinding...

Contaminants of emerging concern in landfill leachate in China: A review

Chengdu Qi | Jun Huang | Bin Wang | Shubo Deng | Yujue Wang | Gang Yu

This review paper summarizes the occurrence, removal and ecological risk of contaminants of emerging concern (CEC) reported in landfill leachate in China since 1996 (43 studies in 10 regions). Results...

Occurrence and distribution of tetrabromobisphenol A and its derivative in river sediments from Vaal River Catchment, South Africa

December 2017
Tlou B. Chokwe | Jonathan O. Okonkwo | Mutshinyalo S. Nwamadi

Brominated flame retardants (BFRs) compounds have been widely added in a number of products to reduce their flammability. In the present study, the concentrations and distribution of tetrabromobisphenol...

Mass transfer of an organophosphate flame retardant between product source and dust in direct contact

December 2017
Ioannis Liagkouridis | Borislav Lazarov | Georgios Giovanoulis | Ian T. Cousins

Organophosphate flame retardants (OPFRs) are a group of semi-volatile organic compounds (SVOCs) and among the most abundant contaminants indoors. Their indoor presence has been associated with potential...

Occurrence and environmental levels of triclosan and triclocarban in selected wastewater treatment plants in Gauteng Province, South Africa

December 2017
Raisibe F. Lehutso | Adegbenro P. Daso | Jonathan O. Okonkwo

Triclosan and triclocarban are industrial chemicals that are frequently added into consumer and personal care products. Information on the levels on these compounds in water systems in the African continent...

Alkylphenols and alkylphenol ethoxylates in dust from homes, offices and computer laboratories: Implication for personal exposure via inadvertent dust ingestion

15 December 2017
Ovokeroye A. Abafe | Tlou B. Chokwe | Jonathan O. Okonkwo | Bice S. Martincigh

In the present study, the levels of alkylphenols (APs) and alkylphenol ethoxylates (APEs) in indoor dust of three different microenvironments were measured and daily intake via dust ingestion estimated....

In-situ observation and transport modelling of arsenic in Gangetic plain, India

15 December 2017
Pankaj Kumar Gupta | Pranjay Joshi | Jahangeer

The focus of this study is to investigate the arsenic movement and impacts on the residual concentrations on groundwater pollution load. The Gangetic plain area in the Ballia, Uttar Pradesh is selected...

Translocation of pharmaceuticals and personal care products (PPCPs) into plant tissues: A review

15 December 2017
Raya Salim Al-Farsi | Mushtaque Ahmed | Ahmed Al-Busaidi | B.S. Choudri

Occurrence and fate of pharmaceuticals and personal care products (PPCPs) in the environment and the potential consequences for human health is of serious concern. In the current review, we have tried...

The impact of a Wastewater Treatment Works in Southern Gauteng, South Africa on efavirenz and nevirapine discharges into the aquatic environment

June 2017
C. Schoeman | M. Dlamini | O.J. Okonkwo

There has been growing concern regarding the pollution of the aquatic environment with synthetic organic chemicals. Antiretroviral drugs, such as efavirenz and nevirapine, are pharmaceutical drugs and...

Screening-level exposure-based prioritization to identify potential POPs, vPvBs and planetary boundary threats among Arctic contaminants

June 2017
Efstathios Reppas-Chrysovitsinos | Anna Sobek | Matthew MacLeod

A report that reviews Arctic contaminants that are not currently regulated as persistent organic pollutants (POPs) under international treaties was recently published by the Arctic Monitoring and Assessment...

Early life exposure to per- and polyfluoroalkyl substances (PFASs): A critical review

June 2017
Kerstin Winkens | Robin Vestergren | Urs Berger | Ian T. Cousins

Due to the dynamic developmental processes during pregnancy, infancy, childhood and adolescence, exposure to PFASs is hypothesized to have the most pronounced negative effects during this period. In...

Seasonal variations and the influence of geomembrane liners on the levels of PBDEs in landfill leachates, sediment and groundwater in Gauteng Province, South Africa

June 2017
I.V. Sibiya | O.I. Olukunle | O.J. Okonkwo

In the present study, the seasonal concentrations of polybrominated diphenyl ethers (PBDEs) in leachate and sediment samples, and the influence of geomembrane liners on PBDE levels and the extent of...

Pay special attention to the transformation products of PPCPs in environment

June 2017
Lina Yin | Bin Wang | Honglin Yuan | Shubo Deng | Jun Huang | Yujue Wang | Gang Yu

Pharmaceuticals and personal care products (PPCPs) have received increasing attention. However, their transformation products (TPs) and metabolites, sometimes even with environmental concentration and/or...

Water-to-air transfer of branched and linear PFOA: Influence of pH, concentration and water type

March 2017
Jana H. Johansson | Hong Yan | Urs Berger | Ian T. Cousins

The volatilisation of perfluorooctanoic acid (PFOA) was measured experimentally at a range of pH values using a previously published laboratory method. Water-to-air transfer was studied for five structural...

An insight of environmental contamination of arsenic on animal health

March 2017
Paramita Mandal

The main threats to human health from heavy metals are associated with exposure to lead, cadmium, mercury and arsenic. Exposure to arsenic is mainly via intake of food and drinking water, food being...

Levels and distribution of polybrominated diphenyl ethers in Three Gorges Reservoir, China

March 2017
Jingxian Wang | Yonghong Bi | Bernhard Henkelmann | Zeyu Wang | Gerd Pfister | Karl-Werner Schramm

Polybrominated diphenyl ethers (PBDEs) were investigated in water, sediments, suspended sediments and biofilms in Three Gorges Reservoir (TGR), China. Results showed that dissolved bioavailable PBDEs...

Prevalence of historical and replacement brominated flame retardant chemicals in New York City homes

March 2017
Whitney J. Cowell | Heather M. Stapleton | Darrell Holmes | Lehyla Calero | Catherine Tobon | Matthew Perzanowski | Julie B. Herbstman

Until their phase-out between 2005 and 2013, polybrominated diphenyl ethers (PBDEs) were added to household products including furniture, rugs, and electronics to meet flammability standards. Replacement...

Detection of novel brominated flame retardants (NBFRs) in the urban soils of Melbourne, Australia

March 2017
Thomas J. McGrath | Paul D. Morrison | Andrew S. Ball | Bradley O. Clarke

A range of brominated flame retardants (BFRs) have been incorporated into polymeric materials like plastics, electronic equipment, foams and textiles to prevent fires. The most common of these, polybrominated...

Pharmaceuticals and personal care products (PPCPs) in the freshwater aquatic environment

March 2017
Anekwe Jennifer Ebele | Mohamed Abou-Elwafa Abdallah | Stuart Harrad

Pharmaceuticals and personal care products (PPCPs) are a unique group of emerging environmental contaminants, due to their inherent ability to induce physiological effects in human at low doses. An...

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