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Iulini M, Russo G, Crispino E, Paini A, Fragki S, Corsini E, Pappalardo F. Advancing PFAS risk assessment: Integrative approaches using agent-based modelling and physiologically-based kinetic for environmental and health safety. Comput Struct Biotechnol J 2024; 23:2763-2778. [PMID: 39050784 PMCID: PMC11267999 DOI: 10.1016/j.csbj.2024.06.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/28/2024] [Accepted: 06/28/2024] [Indexed: 07/27/2024] Open
Abstract
Per- and polyfluoroalkyl substances (PFAS), ubiquitous in a myriad of consumer and industrial products, and depending on the doses of exposure represent a hazard to both environmental and public health, owing to their persistent, mobile, and bio accumulative properties. These substances exhibit long half-lives in humans and can induce potential immunotoxic effects at low exposure levels, sparking growing concerns. While the European Food Safety Authority (EFSA) has assessed the risk to human health related to the presence of PFAS in food, in which a reduced antibody response to vaccination in infants was considered as the most critical human health effect, a comprehensive grasp of the molecular mechanisms spearheading PFAS-induced immunotoxicity is yet to be attained. Leveraging modern computational tools, including the Agent-Based Model (ABM) Universal Immune System Simulator (UISS) and Physiologically Based Kinetic (PBK) models, a deeper insight into the complex mechanisms of PFAS was sought. The adapted UISS serves as a vital tool in chemical risk assessments, simulating the host immune system's reactions to diverse stimuli and monitoring biological entities within specific adverse health contexts. In tandem, PBK models unravelling PFAS' biokinetics within the body i.e. absorption, distribution, metabolism, and elimination, facilitating the development of time-concentration profiles from birth to 75 years at varied dosage levels, thereby enhancing UISS-TOX's predictive abilities. The integrated use of these computational frameworks shows promises in leveraging new scientific evidence to support risk assessments of PFAS. This innovative approach not only allowed to bridge existing data gaps but also unveiled complex mechanisms and the identification of unanticipated dynamics, potentially guiding more informed risk assessments, regulatory decisions, and associated risk mitigations measures for the future.
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Affiliation(s)
- Martina Iulini
- Università degli Studi di Milano, Department of Pharmacology and Biomolecular Sciences ‘Rodolfo Paoletti’, Milan, Italy
| | - Giulia Russo
- University of Catania, Department of Drug and Health Sciences, Italy
| | - Elena Crispino
- University of Catania, Department of Biomedical and Biotechnological Sciences, Italy
| | | | | | - Emanuela Corsini
- Università degli Studi di Milano, Department of Pharmacology and Biomolecular Sciences ‘Rodolfo Paoletti’, Milan, Italy
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2
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Jabaudon M, Vallabh B, Bacher HP, Badenes R, Kehl F. Balancing patient needs with environmental impacts for best practices in general anesthesia: Narrative review and clinical perspective. Anaesth Crit Care Pain Med 2024; 43:101389. [PMID: 38710324 DOI: 10.1016/j.accpm.2024.101389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 04/09/2024] [Accepted: 04/17/2024] [Indexed: 05/08/2024]
Abstract
Discussions of the environmental impacts of general anesthetics have focused on greenhouse gas (GHG) emissions from inhaled agents, with those of total intravenous anesthesia (TIVA) recently coming to the forefront. Clinical experts are calling for the expansion of research toward life cycle assessment (LCA) to comprehensively study the impact of general anesthetics. We provide an overview of proposed environmental risks, including direct GHG emissions from inhaled anesthetics and non-GHG impacts and indirect GHG emissions from propofol. A practical description of LCA methodology is also provided, as well as how it applies to the study of general anesthesia. We describe available LCA studies comparing the environmental impacts of a lower carbon footprint inhaled anesthetic, sevoflurane, to TIVA/propofol and discuss their life cycle steps: manufacturing, transport, clinical use, and disposal. Significant hotspots of GHG emission were identified as the manufacturing and disposal of sevoflurane and use (attributed to the manufacture of the required syringes and syringe pumps) for propofol. However, the focus of these studies was solely on GHG emissions, excluding other environmental impacts of wasted propofol, such as water/soil toxicity. Other LCA gaps included a lack of comprehensive GHG emission estimates related to the manufacturing of TIVA plastic components, high-temperature incineration of propofol, and gas capture technologies for inhaled anesthetics. Considering that scarce LCA evidence does not allow for a definite conclusion to be drawn regarding the overall environmental impacts of sevoflurane and TIVA, we conclude that current anesthetic practice involving these agents should focus on patient needs and established best practices as more LCA research is accumulated.
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Affiliation(s)
- Matthieu Jabaudon
- Department of Perioperative Medicine, CHU Clermont-Ferrand and iGReD, Université Clermont Auvergne, CNRS, INSERM, Clermont-Ferrand, France.
| | - Bhadrish Vallabh
- Global Medical Affairs, AbbVie Biopharmaceuticals GmbH, Dubai, United Arab Emirates
| | - H Peter Bacher
- Global Medical Affairs, AbbVie Inc., North Chicago, IL, USA
| | - Rafael Badenes
- Department of Anesthesiology and Surgical-Trauma Intensive Care and Pain Clinic, Hospital Clínico Universitario de Valencia, University of Valencia, Valencia, Spain
| | - Franz Kehl
- Department of Anesthesia and Intensive Care Medicine, Klinikum Karlsruhe, Karlsruhe, Germany
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3
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Hajji AL, Lucas KN. Anthropogenic stressors and the marine environment: From sources and impacts to solutions and mitigation. MARINE POLLUTION BULLETIN 2024; 205:116557. [PMID: 38875966 DOI: 10.1016/j.marpolbul.2024.116557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 05/30/2024] [Accepted: 06/02/2024] [Indexed: 06/16/2024]
Abstract
Human-released contaminants are often poorly understood wholistically in marine ecosystems. This review examines the sources, pathways, impacts on marine animals, and mitigation strategies of five pollutants (plastics, per- and polyfluoroalkyl substances, bisphenol compounds, ethynylestradiol, and petroleum hydrocarbons). Both abiotic and biotic mechanisms contribute to all five contaminants' movement. These pollutants cause short- and long-term effects on many biological processes genetically, molecularly, neurologically, physiologically, reproductively, and developmentally. We explore the extension of adverse outcome pathways to ecosystem effects by considering known inter-generational and trophic relations resulting in large-scale direct and indirect impacts. In doing so, we develop an understanding of their roles as environmental stressors in marine environments for targeted mitigation and future work. Ecosystems are interconnected and so international collaboration, standards, measures preceding mass production, and citizen involvement are required to protect and conserve marine life.
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Affiliation(s)
- Angelina L Hajji
- Biological Sciences, University of Calgary, 2500 University Dr NW, Calgary, AB T2N 1N4, Canada.
| | - Kelsey N Lucas
- Biological Sciences, University of Calgary, 2500 University Dr NW, Calgary, AB T2N 1N4, Canada
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4
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Chele FS, Stevenson L, Salvador CM, Dolislager F, Mathews T. Toward a life cycle approach for classifying the toxicity of refrigerants. INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT 2024; 20:908-911. [PMID: 38896096 DOI: 10.1002/ieam.4964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Accepted: 05/15/2024] [Indexed: 06/21/2024]
Affiliation(s)
- Federico Sinche Chele
- Environmental Science Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
- IEAM Editorial Board Member
| | - Louise Stevenson
- Environmental Science Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
- IEAM Editorial Board Member
| | | | - Fred Dolislager
- Environmental Science Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Teresa Mathews
- Environmental Science Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
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5
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Aggarwal R, Peters G. Freshwater ecotoxicity characterization factors for PMT/vPvM substances. CHEMOSPHERE 2024; 360:142391. [PMID: 38777192 DOI: 10.1016/j.chemosphere.2024.142391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 04/15/2024] [Accepted: 05/19/2024] [Indexed: 05/25/2024]
Abstract
This study addresses the gap in freshwater ecotoxicological characterization factors (CFs) for Persistent, Mobile, and Toxic (PMT) and Very Persistent and Very Mobile (vPvM) substances. These CFs are vital for integrating the ecotoxicity impacts of these chemicals into life cycle assessments. Our goals are twofold: first, to calculate experimental freshwater CFs for PMT/vPvM substances listed by the German Environment Agency (UBA); second, to compare these CFs with those from the USEtox database. The expanded UBA list includes 343 PMT/vPvM substances, each representing a unique chemical structure, and linked to 474 REACH-registered substances. This study successfully computed CFs for 244 substances, with 107 overlapping the USEtox database and 137 being new. However, ecotoxicity data limitations prevented CF determination for 97 substances. This research enhances our understanding of freshwater CFs for PMT/vPvM substances, covering 72% of UBA's 343 PMT/vPvM substances. Data scarcity remains a significant challenge, which invariably impedes CF calculations. Notably, the disparities observed between CF values in the USEtox database and those derived in this research largely stem from variations in ecotoxicity data. Consequently, this research underscores the dynamic nature of CFs for substances, emphasizing the need for regular updates to ensure their accuracy and relevance.
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Affiliation(s)
- Rahul Aggarwal
- Environmental Systems Analysis, Chalmers University of Technology, Vera Sandbergs Allé 8, 41296, Gothenburg, Sweden.
| | - Gregory Peters
- Environmental Systems Analysis, Chalmers University of Technology, Vera Sandbergs Allé 8, 41296, Gothenburg, Sweden
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6
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Morales M, Arp HPH, Castro G, Asimakopoulos AG, Sørmo E, Peters G, Cherubini F. Eco-toxicological and climate change effects of sludge thermal treatments: Pathways towards zero pollution and negative emissions. JOURNAL OF HAZARDOUS MATERIALS 2024; 470:134242. [PMID: 38626686 DOI: 10.1016/j.jhazmat.2024.134242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 02/21/2024] [Accepted: 04/07/2024] [Indexed: 04/18/2024]
Abstract
The high moisture content and the potential presence of hazardous organic compounds (HOCs) and metals (HMs) in sewage sludge (SS) pose technical and regulatory challenges for its circular economy valorisation. Thermal treatments are expected to reduce the volume of SS while producing energy and eliminating HOCs. In this study, we integrate quantitative analysis of SS concentration of 12 HMs and 61 HOCs, including organophosphate flame retardants (OPFRs) and per- and poly-fluoroalkyl substances (PFAS), with life-cycle assessment to estimate removal efficiency of pollutants, climate change mitigation benefits and toxicological effects of existing and alternative SS treatments (involving pyrolysis, incineration, and/or anaerobic digestion). Conventional SS treatment leaves between 24 % and 40 % of OPFRs unabated, while almost no degradation occurs for PFAS. Thermal treatments can degrade more than 93% of target OPFRs and 95 % of target PFAS (with the rest released to effluents). The different treatments affect how HMs are emitted across environmental compartments. Conventional treatments also show higher climate change impacts than thermal treatments. Overall, thermal treatments can effectively reduce the HOCs emitted to the environment while delivering negative emissions (from about -56 to -111 kg CO2-eq per tonne of sludge, when pyrolysis is involved) and producing renewable energy from heat integration and valorization.
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Affiliation(s)
- Marjorie Morales
- Industrial Ecology Programme (IndEcol), Department of Energy and Process Engineering, Norwegian University of Science and Technology (NTNU), 7034 Trondheim, Norway.
| | - Hans Peter H Arp
- Department of Chemistry, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway; Norwegian Geotechnical Institute (NGI), 0886 Oslo, Norway
| | - Gabriela Castro
- Department of Chemistry, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway; Department of Analytical Chemistry, Nutrition and Food Sciences, Institute for Research in Chemical and Biological Analysis (IAQBUS), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | | | - Erlend Sørmo
- Norwegian Geotechnical Institute (NGI), 0886 Oslo, Norway; Norwegian University of Life Sciences (NMBU), 1430 Ås, Norway
| | - Gregory Peters
- Division of Environmental Systems Analysis, Chalmers University of Technology, Gothenburg, SE 412 96, Sweden
| | - Francesco Cherubini
- Industrial Ecology Programme (IndEcol), Department of Energy and Process Engineering, Norwegian University of Science and Technology (NTNU), 7034 Trondheim, Norway
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7
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Ellis AC, Boyer TH, Fang Y, Liu CJ, Strathmann TJ. Life cycle assessment and life cycle cost analysis of anion exchange and granular activated carbon systems for remediation of groundwater contaminated by per- and polyfluoroalkyl substances (PFASs). WATER RESEARCH 2023; 243:120324. [PMID: 37451124 DOI: 10.1016/j.watres.2023.120324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 07/05/2023] [Accepted: 07/06/2023] [Indexed: 07/18/2023]
Abstract
Anion exchange resin (AER) and granular activated carbon (GAC) have emerged as prominent technologies for treatment of waters contaminated with per- and polyfluoroalkyl substances (PFASs). This study compares the life cycle environmental impacts and life cycle costs of remediating PFAS-contaminated groundwater with these competing technologies, using field pilot data to inform model inputs. Comparative analysis indicates that AER systems employing single-use "PFAS-selective" resins have lower environmental impacts and costs than systems using regenerable resins or GAC adsorbents, supporting its use in future remediation efforts. Use of GAC operated as a single-use adsorbent led to the highest emissions as well as the highest treatment costs, with thermally-reactivated GAC proving to be less impactful than regenerable AER treatment. Sensitivity analyses highlighted the dominance of media usage rate (MUR), which is highly dependent on the selected PFAS treatment goals, to determine environmental impacts and costs over a 30-year system life cycle. Selection of very stringent changeout criteria (e.g., detection of any PFASs in effluent) significantly reduces the advantages of single-use resins. For regenerable AER, environmental impacts were dominated by management of the PFAS-contaminated brine/co-solvent waste stream used to regenerate the adsorbent, as well as the cosolvent content of the regenerant mixture and the cosolvent recovery efficiency achieved via on-site distillation. High impacts estimated for GAC adsorption, the result of high MUR relative to ion exchange media, can be significantly reduced if spent adsorbents are reused after thermal reactivation, but impacts are still greater than those predicted for single-use ion exchange systems. Findings are expected to hold across a range of diverse sites, including drinking water systems treating more dilute sources of PFAS contamination, as PFAS breakthrough was not found to be highly sensitive to sourcewater PFAS concentrations.
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Affiliation(s)
- Anderson C Ellis
- Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO 80401, United States
| | - Treavor H Boyer
- School of Sustainable Engineering and the Built Environment (SSEBE), Arizona State University (ASU), Tempe, AZ 85287, United States
| | - Yida Fang
- Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO 80401, United States; CDM Smith, Bellevue, WA 98807, United Stats
| | - Charlie J Liu
- Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO 80401, United States; Kennedy Jenks Consultants, San Francisco, CA 94118, United States
| | - Timothy J Strathmann
- Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO 80401, United States.
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8
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Hernandez-Betancur JD, Ruiz-Mercado GJ, Martin M. Predicting Chemical End-of-Life Scenarios Using Structure-Based Classification Models. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2023; 11:3594-3602. [PMID: 36911873 PMCID: PMC9993395 DOI: 10.1021/acssuschemeng.2c05662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 02/10/2023] [Indexed: 06/18/2023]
Abstract
Analyzing chemicals and their effects on the environment from a life cycle viewpoint can produce a thorough analysis that takes end-of-life (EoL) activities into account. Chemical risk assessment, predicting environmental discharges, and finding EoL paths and exposure scenarios all depend on chemical flow data availability. However, it is challenging to gain access to such data and systematically determine EoL activities and potential chemical exposure scenarios. As a result, this work creates quantitative structure-transfer relationship (QSTR) models for aiding environmental managment decision-making based on chemical structure-based machine learning (ML) models to predict potential industrial EoL activities, chemical flow allocation, environmental releases, and exposure routes. Further multi-label classification methods may improve the predictability of QSTR models according to the ML experiment tracking. The developed QSTR models will assist stakeholders in predicting and comprehending potential EoL management activities and recycling loops, enabling environmental decision-making and EoL exposure assessment for new or existing chemicals in the global marketplace.
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Affiliation(s)
| | - Gerardo J. Ruiz-Mercado
- Office
of Research & Development, US Environmental
Protection Agency, Cincinnati, Ohio 45268, United States
- Chemical
Engineering Graduate Program, Universidad
del Atlántico, Puerto Colombia 080007, Colombia
| | - Mariano Martin
- Department
of Chemical Engineering, University of Salamanca, Salamanca 37008, Spain
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9
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Liu H, Chen Y, Hu W, Luo Y, Zhu P, You S, Li Y, Jiang Z, Wu X, Li X. Impacts of PFOA C8, GenX C6, and their mixtures on zebrafish developmental toxicity and gene expression provide insight about tumor-related disease. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:160085. [PMID: 36356740 DOI: 10.1016/j.scitotenv.2022.160085] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 11/01/2022] [Accepted: 11/05/2022] [Indexed: 06/16/2023]
Abstract
Concerns about per- and polyfluoroalkyl substances (PFASs) have grown in importance in the fields of ecotoxicology and public health. This study aims to compare the potential effects of long-chain (carbon atoms ≥ 7) and short-chain derivatives and their mixtures' exposure according to PFASs-exposed (1, 2, 5, 10, and 20 mg/L) zebrafish's (Danio rerio) toxic effects and their differential gene expression. Here, PFOAC8, GenXC6, and their mixtures (v/v, 1:1) could reduce embryo hatchability and increase teratogenicity and mortality. The toxicity of PFOAC8 was higher than that of GenXC6, and the toxicity of their mixtures was irregular. Their exposure (2 mg/L) caused zebrafish ventricular edema, malformation of the spine, blood accumulation, or developmental delay. In addition, all of them had significant differences in gene expression. PFOAC8 exposure causes overall genetic changes, and the pathways of this transformation were autophagy and apoptosis. More importantly, in order to protect cells from PFOAC8, GenXC6, and their mixtures' influences, zebrafish inhibited the expression of ATPase and Ca2+ transport gene (atp1b2b), mitochondrial function-related regulatory genes (mt-co2, mt-co3, and mt-cyb), and tumor or carcinogenic cell proliferation genes (laptm4b and ctsbb). Overall, PFOAC8, GenXC6, and their mixtures' exposures will affect the gene expression effects of zebrafish embryos, indicating that PFASs may pose a potential threat to aquatic biological safety. These results showed that the relevant genes in zebrafish that were inhibited by PFASs exposure were related to tumorigenesis. Therefore, the effect of PFASs on zebrafish can be further used to study the pathogenesis of tumors.
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Affiliation(s)
- Huinian Liu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
| | - Yu Chen
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510100, China
| | - Wenli Hu
- College of Life Sciences, Hunan Normal University, Changsha 410081, China
| | - Yuan Luo
- College of Resources and Environment, Shanxi Agricultural University, Taigu 030801, China
| | - Ping Zhu
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510100, China
| | - Shiqi You
- College of Life Sciences, Hunan Normal University, Changsha 410081, China
| | - Yunxuan Li
- College of Life Sciences, Hunan Normal University, Changsha 410081, China
| | - Zhaobiao Jiang
- College of Life Sciences, Hunan Normal University, Changsha 410081, China
| | - Xiushan Wu
- College of Life Sciences, Hunan Normal University, Changsha 410081, China
| | - Xin Li
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China.
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10
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Karbassiyazdi E, Kasula M, Modak S, Pala J, Kalantari M, Altaee A, Esfahani MR, Razmjou A. A juxtaposed review on adsorptive removal of PFAS by metal-organic frameworks (MOFs) with carbon-based materials, ion exchange resins, and polymer adsorbents. CHEMOSPHERE 2023; 311:136933. [PMID: 36280122 DOI: 10.1016/j.chemosphere.2022.136933] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 09/23/2022] [Accepted: 10/16/2022] [Indexed: 06/16/2023]
Abstract
The removal of poly- and perfluoroalkyl substances (PFAS) from the aquatic environment is a universal concern due to the adverse effects of these substances on both the environment and public health. Different adsorbents, including carbon-based materials, ion exchange resins, biomaterials, and polymers, have been used for the removal of short-chain (C < 6) and long-chain (C > 7) PFAS from water with varying performance. Metal-organic frameworks (MOFs), as a new generation of adsorbents, have also been recently used to remove PFAS from water. MOFs provide unique properties such as significantly enhanced surface area, structural tunability, and improved selectivity compared to conventional adsorbents. However, due to various types of MOFs, their complex chemistry and morphology, different PFAS compounds, lack of standard adsorption test, and different testing conditions, there are inconclusive and contradictory findings in the literature. Therefore, this review aims to provide critical analysis of the performance of different types of MOFs in the removal of long-chain (C > 7), short-chain (C < 6), and ultra-short-chain (C < 3) PFAS and comprehensively study the efficiency of MOFs for PFAS removal in comparison with other adsorbents. In addition, the adsorption mechanisms and kinetics of PFAS components on different MOFs, including Materials of Institute Lavoisier (MIL), Universiteit of Oslo (UiO), Zeolitic imidazolate frameworks (ZIFs), Hong Kong University of Science and Technology (HKUST), and other hybrid types of MOF were discussed. The study also discussed the effect of environmental factors such as pH and ionic strength on the adsorption of PFAS on MOFs. In addition to the adsorption process, the reusability and regeneration of MOFs in the PFAS removal process are discussed. Finally, challenges and future outlooks of the utility of MOFs for PFAS removal were discussed to inspire future critical research efforts in removing PFAS.
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Affiliation(s)
- Elika Karbassiyazdi
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, 15 Broadway, NSW, 2007, Australia
| | - Medha Kasula
- Department of Chemical and Biological Engineering, The University of Alabama, Alabama, USA
| | - Sweta Modak
- Department of Chemical and Biological Engineering, The University of Alabama, Alabama, USA
| | - Jasneet Pala
- Department of Chemical and Biological Engineering, The University of Alabama, Alabama, USA
| | - Mohammad Kalantari
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, 15 Broadway, NSW, 2007, Australia
| | - Ali Altaee
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, 15 Broadway, NSW, 2007, Australia
| | - Milad Rabbani Esfahani
- Department of Chemical and Biological Engineering, The University of Alabama, Alabama, USA.
| | - Amir Razmjou
- Mineral Recovery Research Center (MRRC), School of Engineering, Edith Cowan University, Joondalup, Perth, WA, 6027, Australia; UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering, University of New South Wales, Sydney, NSW, 2052, Australia.
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11
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Owsianiak M, Hauschild MZ, Posthuma L, Saouter E, Vijver MG, Backhaus T, Douziech M, Schlekat T, Fantke P. Ecotoxicity characterization of chemicals: Global recommendations and implementation in USEtox. CHEMOSPHERE 2023; 310:136807. [PMID: 36228725 DOI: 10.1016/j.chemosphere.2022.136807] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 09/22/2022] [Accepted: 10/06/2022] [Indexed: 06/16/2023]
Abstract
Chemicals emitted to the environment affect ecosystem health from local to global scale, and reducing chemical impacts has become an important element of European and global sustainability efforts. The present work advances ecotoxicity characterization of chemicals in life cycle impact assessment by proposing recommendations resulting from international expert workshops and work conducted under the umbrella of the UNEP-SETAC Life Cycle Initiative in the GLAM project (Global guidance on environmental life cycle impact assessment indicators). We include specific recommendations for broadening the assessment scope through proposing to introduce additional environmental compartments beyond freshwater and related ecotoxicity indicators, as well as for adapting the ecotoxicity effect modelling approach to better reflect environmentally relevant exposure levels and including to a larger extent chronic test data. As result, we (1) propose a consistent mathematical framework for calculating freshwater ecotoxicity characterization factors and their underlying fate, exposure and effect parameters; (2) implement the framework into the USEtox scientific consensus model; (3) calculate characterization factors for chemicals reported in an inventory of a life cycle assessment case study on rice production and consumption; and (4) investigate the influence of effect data selection criteria on resulting indicator scores. Our results highlight the need for careful interpretation of life cycle assessment impact scores in light of robustness of underlying species sensitivity distributions. Next steps are to apply the recommended characterization framework in additional case studies, and to adapt it to soil, sediment and the marine environment. Our framework is applicable for evaluating chemicals in life cycle assessment, chemical and environmental footprinting, chemical substitution, risk screening, chemical prioritization, and comparison with environmental sustainability targets.
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Affiliation(s)
- Mikołaj Owsianiak
- Quantitative Sustainability Assessment, Department of Environmental and Resource Engineering, Technical University of Denmark, Produktionstorvet 424, 2800 Kgs. Lyngby, Denmark
| | - Michael Z Hauschild
- Quantitative Sustainability Assessment, Department of Environmental and Resource Engineering, Technical University of Denmark, Produktionstorvet 424, 2800 Kgs. Lyngby, Denmark.
| | - Leo Posthuma
- National Institute for Public Health and the Environment, 3720 BA Bilthoven, Netherlands; Department of Environmental Science, Radboud University, 6525 AJ Nijmegen, Netherlands
| | - Erwan Saouter
- European Commission, Joint Research Centre, Directorate D - Sustainable Resources, 21027 Ispra, Italy
| | - Martina G Vijver
- Institute of Environmental Sciences, Leiden University, P.O. Box 9518, Leiden, Netherlands
| | - Thomas Backhaus
- Department of Biological and Environmental Sciences, University of Gothenburg, 40530, Gothenburg, Sweden
| | - Mélanie Douziech
- Centre of Observations, Impacts, Energy, MINES Paris Tech, PSL University, Sophia Antipolis, France; LCA Research Group, Agroscope, Reckenholzstrasse 191, Zurich, 8046, Switzerland
| | - Tamar Schlekat
- Society of Environmental Toxicology and Chemistry, Pensacola, FL, United States
| | - Peter Fantke
- Quantitative Sustainability Assessment, Department of Environmental and Resource Engineering, Technical University of Denmark, Produktionstorvet 424, 2800 Kgs. Lyngby, Denmark.
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12
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Meegoda JN, Bezerra de Souza B, Casarini MM, Kewalramani JA. A Review of PFAS Destruction Technologies. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph192416397. [PMID: 36554276 PMCID: PMC9778349 DOI: 10.3390/ijerph192416397] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/19/2022] [Accepted: 12/02/2022] [Indexed: 05/13/2023]
Abstract
Per- and polyfluoroalkyl substances (PFASs) are a family of highly toxic emerging contaminants that have caught the attention of both the public and private sectors due to their adverse health impacts on society. The scientific community has been laboriously working on two fronts: (1) adapting already existing and effective technologies in destroying organic contaminants for PFAS remediation and (2) developing new technologies to remediate PFAS. A common characteristic in both areas is the separation/removal of PFASs from other contaminants or media, followed by destruction. The widely adopted separation technologies can remove PFASs from being in contact with humans; however, they remain in the environment and continue to pose health risks. On the other hand, the destructive technologies discussed here can effectively destroy PFAS compounds and fully address society's urgent need to remediate this harmful family of chemical compounds. This review reports and compare widely accepted as well as emerging PFAS destruction technologies. Some of the technologies presented in this review are still under development at the lab scale, while others have already been tested in the field.
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13
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Karbassiyazdi E, Fattahi F, Yousefi N, Tahmassebi A, Taromi AA, Manzari JZ, Gandomi AH, Altaee A, Razmjou A. XGBoost model as an efficient machine learning approach for PFAS removal: Effects of material characteristics and operation conditions. ENVIRONMENTAL RESEARCH 2022; 215:114286. [PMID: 36096170 DOI: 10.1016/j.envres.2022.114286] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 08/19/2022] [Accepted: 09/03/2022] [Indexed: 06/15/2023]
Abstract
Due to the implications of poly- and perfluoroalkyl substances (PFAS) on the environment and public health, great attention has been recently made to finding innovative materials and methods for PFAS removal. In this work, PFAS is considered universal contamination which can be found in many wastewater streams. Conventional materials and processes used to remove and degrade PFAS do not have enough competence to address the issue particularly when it comes to eliminating short-chain PFAS. This is mainly due to the large number of complex parameters that are involved in both material and process designs. Here, we took the advantage of artificial intelligence to introduce a model (XGBoost) in which material and process factors are considered simultaneously. This research applies a machine learning approach using data collected from reported articles to predict the PFAS removal factors. The XGBoost modeling provided accurate adsorption capacity, equilibrium, and removal estimates with the ability to predict the adsorption mechanisms. The performance comparison of adsorbents and the role of AI in one dominant are studied and reviewed for the first time, even though many studies have been carried out to develop PFAS removal through various adsorption methods such as ion exchange, nanofiltration, and activated carbon (AC). The model showed that pH is the most effective parameter to predict PFAS removal. The proposed model in this work can be extended for other micropollutants and can be used as a basic framework for future adsorbent design and process optimization.
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Affiliation(s)
- Elika Karbassiyazdi
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Australia
| | - Fatemeh Fattahi
- Department of Chemical Engineering, Isfahan University of Technology, Isfahan, Iran
| | - Negin Yousefi
- Department of Chemical Engineering, Isfahan University of Technology, Isfahan, Iran
| | | | - Arsia Afshar Taromi
- Petrochemicals Department, Iran Polymer and Petrochemical Institute, P.O. Box 14965/115, Tehran, Iran
| | - Javad Zyaie Manzari
- Department of Chemical Engineering, Iran University of Science and Technology, Tehran, Iran
| | - Amir H Gandomi
- Faculty of Engineering & Information Technology, University of Technology Sydney, Ultimo, NSW 2007, Australia.
| | - Ali Altaee
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Australia
| | - Amir Razmjou
- School of Engineering, Edith Cowan University, Joondalup, Perth, WA, 6027, Australia; UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering, University of New South Wales, Sydney, NSW, 2052, Australia.
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14
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Ng K, Alygizakis N, Androulakakis A, Galani A, Aalizadeh R, Thomaidis NS, Slobodnik J. Target and suspect screening of 4777 per- and polyfluoroalkyl substances (PFAS) in river water, wastewater, groundwater and biota samples in the Danube River Basin. JOURNAL OF HAZARDOUS MATERIALS 2022; 436:129276. [PMID: 35739789 DOI: 10.1016/j.jhazmat.2022.129276] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 05/20/2022] [Accepted: 05/30/2022] [Indexed: 06/15/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are under regulatory scrutiny since some of them are persistent, bioaccumulative, and toxic. The occurrence of 4777 PFAS was investigated in the Danube River Basin (DRB; 11 countries) using target and suspect screening. Target screening involved investigation of PFAS with 56 commercially available reference standards. Suspect screening covered 4777 PFAS retrieved from the NORMAN Substance Database, including all individual PFAS lists submitted to the NORMAN Suspect List Exchange Database. Mass spectrometry fragmentation patterns and retention time index predictions of the studied PFAS were established for their screening by liquid chromatography - high resolution mass spectrometry using NORMAN Digital Sample Freezing Platform (DSFP). In total, 82 PFAS were detected in the studied 95 samples of river water, wastewater, groundwater, biota and sediments. Suspect screening detected 72 PFAS that were missed by target screening. Predicted no effect concentrations (PNECs) were derived for each PFAS via a quantitative structure-toxicity relationship (QSTR)-based approach and used for assessment of their environmental risk. Risk characterization revealed 18 PFAS of environmental concern in at least one matrix. The presence of PFAS in all studied environmental compartments across the DRB indicates a potentially large-scale migration of PFAS in Europe, which might require their further systematic regulatory monitoring.
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Affiliation(s)
- Kelsey Ng
- Environmental Institute, Okružná 784/42, 97241 Koš, Slovak Republic; RECETOX, Faculty of Science, Masaryk University, Kotlářská 2, Brno, Czech Republic
| | - Nikiforos Alygizakis
- Environmental Institute, Okružná 784/42, 97241 Koš, Slovak Republic; Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece.
| | - Andreas Androulakakis
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece
| | - Aikaterini Galani
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece
| | - Reza Aalizadeh
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece
| | - Nikolaos S Thomaidis
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece.
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15
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Schlüter U, Meyer J, Ahrens A, Borghi F, Clerc F, Delmaar C, Di Guardo A, Dudzina T, Fantke P, Fransman W, Hahn S, Heussen H, Jung C, Koivisto J, Koppisch D, Paini A, Savic N, Spinazzè A, Zare Jeddi M, von Goetz N. Exposure modelling in Europe: how to pave the road for the future as part of the European Exposure Science Strategy 2020-2030. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2022; 32:499-512. [PMID: 35918394 PMCID: PMC9349043 DOI: 10.1038/s41370-022-00455-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 06/21/2022] [Accepted: 06/28/2022] [Indexed: 05/26/2023]
Abstract
Exposure models are essential in almost all relevant contexts for exposure science. To address the numerous challenges and gaps that exist, exposure modelling is one of the priority areas of the European Exposure Science Strategy developed by the European Chapter of the International Society of Exposure Science (ISES Europe). A strategy was developed for the priority area of exposure modelling in Europe with four strategic objectives. These objectives are (1) improvement of models and tools, (2) development of new methodologies and support for understudied fields, (3) improvement of model use and (4) regulatory needs for modelling. In a bottom-up approach, exposure modellers from different European countries and institutions who are active in the fields of occupational, population and environmental exposure science pooled their expertise under the umbrella of the ISES Europe Working Group on exposure models. This working group assessed the state-of-the-art of exposure modelling in Europe by developing an inventory of exposure models used in Europe and reviewing the existing literature on pitfalls for exposure modelling, in order to identify crucial modelling-related strategy elements. Decisive actions were defined for ISES Europe stakeholders, including collecting available models and accompanying information in a living document curated and published by ISES Europe, as well as a long-term goal of developing a best-practices handbook. Alongside these actions, recommendations were developed and addressed to stakeholders outside of ISES Europe. Four strategic objectives were identified with an associated action plan and roadmap for the implementation of the European Exposure Science Strategy for exposure modelling. This strategic plan will foster a common understanding of modelling-related methodology, terminology and future research in Europe, and have a broader impact on strategic considerations globally.
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Affiliation(s)
- Urs Schlüter
- Federal Institute for Occupational Safety and Health (BAuA), Friedrich-Henkel-Weg 1-25, D-44149, Dortmund, Germany.
| | - Jessica Meyer
- Federal Institute for Occupational Safety and Health (BAuA), Friedrich-Henkel-Weg 1-25, D-44149, Dortmund, Germany
| | - Andreas Ahrens
- Exposure and Supply Chain Unit, European Chemicals Agency (ECHA), P.O. Box 400, FI-00121, Helsinki, Finland
| | - Francesca Borghi
- Department of Science and High Technology, University of Insubria, 22100, Como, Italy
| | - Frédéric Clerc
- National Institute for Research and Safety (INRS), Pollutants Metrology Division, Nancy, France
| | - Christiaan Delmaar
- National Institute for Public Health and the Environment (RIVM), Antonie van Leeuwenhoeklaan 9, 3721 MA, Bilthoven, The Netherlands
| | - Antonio Di Guardo
- Department of Science and High Technology, University of Insubria, 22100, Como, Italy
| | - Tatsiana Dudzina
- Exxon Mobil Petroleum and Chemical B.V., Hermeslaan 2, 1831, Machelen, Belgium
| | - Peter Fantke
- Quantitative Sustainability Assessment, Department of Environmental and Resource Engineering, Technical University of Denmark, Produktionstorvet 424, 2800 Kgs, Lyngby, Denmark
| | - Wouter Fransman
- TNO, Department Risk Analysis for Products in Development, P.O. Box 80015, 3508 TA, Utrecht, The Netherlands
| | - Stefan Hahn
- Fraunhofer Institute for Toxicology and Experimental Medicine (ITEM), Nikolai-Fuchs-Strasse 1, 30625, Hannover, Germany
| | - Henri Heussen
- Cosanta BV, Stationsplein Noord-Oost 202, 1117 CJ, Schiphol-Oost, The Netherlands
| | - Christian Jung
- German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Str. 8-10, D-10589, Berlin, Germany
| | - Joonas Koivisto
- Institute for Atmospheric and Earth System Research (INAR), University of Helsinki, PL 64, FI-00014, UHEL, Helsinki, Finland
| | - Dorothea Koppisch
- Section 1.3 Exposure Monitoring-MGU, Institute for Occupational Safety and Health of the German Social Accident Insurance (IFA), Alte Heerstr. 111, 53757, Sankt Augustin, Germany
| | - Alicia Paini
- European Commission Joint Research Centre (JRC), Ispra, Italy
| | - Nenad Savic
- Center for Primary Care and Public Health, Unisanté, Route de la Corniche 2, 1066, Epalinges, Switzerland
| | - Andrea Spinazzè
- Department of Science and High Technology, University of Insubria, 22100, Como, Italy
| | - Maryam Zare Jeddi
- National Institute for Public Health and the Environment (RIVM), Antonie van Leeuwenhoeklaan 9, 3721 MA, Bilthoven, The Netherlands
| | - Natalie von Goetz
- Swiss Federal Institute of Technology (ETH Zurich), Rämistrasse 101, 8092, Zurich, Switzerland.
- Swiss Federal Office of Public Health (FOPH), Schwarzenburgstrasse 157, 3003, Bern, Switzerland.
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16
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Diao J, Chen Z, Wang T, Su C, Sun Q, Guo Y, Zheng Z, Wang L, Li P, Liu W, Hong S, Khim JS. Perfluoroalkyl substances in marine food webs from South China Sea: Trophic transfer and human exposure implication. JOURNAL OF HAZARDOUS MATERIALS 2022; 431:128602. [PMID: 35255338 DOI: 10.1016/j.jhazmat.2022.128602] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/10/2022] [Accepted: 02/26/2022] [Indexed: 06/14/2023]
Abstract
Perfluoroalkyl substances (PFASs) are known to be persistent and toxic, and can be accumulated and trophic magnified in the environments. PFASs are widely distributed, and their coastal input poses a threat to the health of aquatic organisms and local residents. In present study, 17 PFASs including one emerging polyether substitute in water, sediment, and organisms were investigated from the South China Sea. Perfluorobutanoic acid (PFBA) was predominant in water, of which concentration ranged from ND to 10.26 ng/L, with a mean of 5.21 ng/L. Similar to sediment and organisms, PFBA was the substance with the highest concentration detected among PFASs. This result seemingly indicated that use of short-chain PFASs as substitutes for long-chain PFASs in recent years. Trophic magnification factors (TMFs) of PFASs were estimated in the marine food web. TMFs > 1 was observed only in perfluorooctane sulfonic acid (PFOS), indicating a biomagnification potential of PFOS in the given ecosystem. The estimated daily intake (EDI) of PFOS and PFOA were most prevalent in mollusk, whereas the EDI of PFBA was greater in fish and shrimp. The hazard ratio (HR) reported for seven dominant PFASs were lower than 1, which suggests that PFASs via seafood consumption would not cause significant health risk to local residents.
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Affiliation(s)
- Jieyi Diao
- Guangdong Provincial Key Laboratory of Marine Disaster Prediction and Prevention, Shantou University, Shantou 515063, China; Institute of Marine Sciences, Shantou University, Shantou 515063, China
| | - Zhenwei Chen
- Guangdong Provincial Key Laboratory of Marine Disaster Prediction and Prevention, Shantou University, Shantou 515063, China; Institute of Marine Sciences, Shantou University, Shantou 515063, China
| | - Tieyu Wang
- Guangdong Provincial Key Laboratory of Marine Disaster Prediction and Prevention, Shantou University, Shantou 515063, China; Institute of Marine Sciences, Shantou University, Shantou 515063, China.
| | - Chuanghong Su
- Guangdong Provincial Key Laboratory of Marine Disaster Prediction and Prevention, Shantou University, Shantou 515063, China; Institute of Marine Sciences, Shantou University, Shantou 515063, China
| | - Qiongping Sun
- Guangdong Provincial Key Laboratory of Marine Disaster Prediction and Prevention, Shantou University, Shantou 515063, China; Institute of Marine Sciences, Shantou University, Shantou 515063, China
| | - Yanjun Guo
- Guangdong Provincial Key Laboratory of Marine Disaster Prediction and Prevention, Shantou University, Shantou 515063, China; Institute of Marine Sciences, Shantou University, Shantou 515063, China
| | - Zhao Zheng
- Guangdong Provincial Key Laboratory of Marine Disaster Prediction and Prevention, Shantou University, Shantou 515063, China; Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou 511458, China
| | - Lin Wang
- Guangdong Provincial Key Laboratory of Marine Disaster Prediction and Prevention, Shantou University, Shantou 515063, China; Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou 511458, China
| | - Ping Li
- Guangdong Provincial Key Laboratory of Marine Disaster Prediction and Prevention, Shantou University, Shantou 515063, China; Institute of Marine Sciences, Shantou University, Shantou 515063, China; Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou 511458, China
| | - Wenhua Liu
- Guangdong Provincial Key Laboratory of Marine Disaster Prediction and Prevention, Shantou University, Shantou 515063, China; Institute of Marine Sciences, Shantou University, Shantou 515063, China; Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou 511458, China
| | - Seongjin Hong
- Department of Marine Environmental Science, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Jong Seong Khim
- School of Earth and Environmental Sciences & Research Institute of Oceanography, Seoul National University, Seoul 08826, Republic of Korea
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17
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Liu Y, Mendoza-Perilla P, Clavier KA, Tolaymat TM, Bowden JA, Solo-Gabriele HM, Townsend TG. Municipal solid waste incineration (MSWI) ash co-disposal: Influence on per- and polyfluoroalkyl substances (PFAS) concentration in landfill leachate. WASTE MANAGEMENT (NEW YORK, N.Y.) 2022; 144:49-56. [PMID: 35306465 PMCID: PMC10536760 DOI: 10.1016/j.wasman.2022.03.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 03/08/2022] [Accepted: 03/12/2022] [Indexed: 06/14/2023]
Abstract
Municipal solid waste incineration (MSWI) ash is often managed through co-disposal with unburned wastes in landfills, a practice previously reported to result in enhanced leaching of pollutants (e.g., heavy metals) in landfill leachate. The objective of this study was to evaluate the effect of co-disposed unburned wastes on per- and polyfluoroalkyl substances (PFAS) in MSWI ash landfill leachate. Leachate was collected from four landfills containing MSWI ash, either as a sole waste stream or co-disposed of with sewage sludge and MSW screenings. Samples of ash and unburned materials were collected and assessed separately for leachable PFAS in the laboratory. All samples were analyzed for 26 PFAS. Results showed that greater ash content was associated with lower leachate PFAS concentrations. The pure ash monofill exhibited the lowest PFAS in landfill leachate (290 ng L-1) while the landfill contained a large amount of unburned waste had the highest PFAS (11,000 ng L-1). For laboratory leaching tests, average ∑26PFAS concentration in lab ash leachate (310 ng L-1) was 10 and 24 times lower than observed in lab sewage sludge leachate (3,200 ng L-1) and lab MSW screenings leachate (7,500 ng L-1), respectively. Leachate from the ash-only landfill had ∑26PFAS concentration similar to what was measured in the ash itself. On the contrary, ∑26PFAS concentration in co-disposal landfill leachates were similar to those in PFAS-rich unburned waste itself, regardless of the percentages of landfilled unburned wastes. We hypothesize that leachate generated in co-disposal scenarios preferentially flows through PFAS-rich unburned materials and that biotransformation of precursors enhanced by unburned waste degradation further contributes to higher concentrations of terminal PFAS in ash co-disposal sites. Landfill operators should expect PFAS in leachates to be higher when PFAS-rich unburned wastes are disposed of alongside MSWI ash, even if the unburned fraction is small.
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Affiliation(s)
- Yalan Liu
- University of Florida, Department of Environmental Engineering Sciences, College of Engineering, Gainesville, FL 32611, USA
| | - Paola Mendoza-Perilla
- University of Florida, Department of Environmental Engineering Sciences, College of Engineering, Gainesville, FL 32611, USA
| | - Kyle A Clavier
- University of Florida, Department of Environmental Engineering Sciences, College of Engineering, Gainesville, FL 32611, USA
| | - Thabet M Tolaymat
- US Environmental Protection Agency, Office of Research and Development, National Risk Management Laboratory, Cincinnati, OH 45268, USA
| | - John A Bowden
- University of Florida, Department of Environmental Engineering Sciences, College of Engineering, Gainesville, FL 32611, USA; University of Florida, Center for Environmental and Human Toxicology & Department of Physiological Sciences, College of Veterinary Medicine, Gainesville, FL 32610, USA
| | - Helena M Solo-Gabriele
- University of Miami, Department of Civil, Architectural, and Environmental Engineering, College of Engineering, Coral Gables, FL 33146, USA
| | - Timothy G Townsend
- University of Florida, Department of Environmental Engineering Sciences, College of Engineering, Gainesville, FL 32611, USA.
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18
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Kazwini T, Yadav S, Ibrar I, Al-Juboori RA, Singh L, Ganbat N, Karbassiyazdi E, Samal AK, Subbiah S, Altaee A. Updated review on emerging technologies for PFAS contaminated water treatment. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.04.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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19
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Liu H, Hu W, Li X, Hu F, Liu Y, Xie T, Liu B, Xi Y, Su Z, Zhang C. Effects of perfluoroalkyl substances on root and rhizosphere bacteria: Phytotoxicity, phyto-microbial remediation, risk assessment. CHEMOSPHERE 2022; 289:133137. [PMID: 34864015 DOI: 10.1016/j.chemosphere.2021.133137] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 11/24/2021] [Accepted: 11/29/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Per- and polyfluoroalkyl substances (PFAS) is easily sink into soil, affecting plants growth and microenvironment. However, the impacts of PFAS-related risk assessment on root and rhizosphere microbiomes are still poorly understood. OBJECTIVE Researched on Arabidopsis thaliana and Nicotiana benthamiana growing in contaminated with perfluorooctanoic acid (PFOA), hexafluoropropylene oxide-dimer acid (HFPO-DA) and their mixtures. RESULTS (i) Bioaccumulation of PFAS in roots was positively correlated with carbon chain length, contamination levels and exposure time, the phytotoxicity was as follows: HFPO-DA < (PFOA + HFPO-DA) < PFOA; (ii) Both short-term and long-term accumulation of PFAS would affect the changes in root antioxidant system and physiological metabolism; (iii) Single or mixed contamination of PFAS had unique influences on rhizosphere microbial diversity, community composition and interspecies interaction, and mixture was more complex. More importantly, the performance of Sphingomonadaceae and Rhizobiaceae microbial communities could contribute to the practice of phyto-microbial soil remediation. FUTURE DIRECTION Pay more attention on novel pollution pathway in cultivation, exposure levels for different plants (especially crops), as well as more exact and scientific risk assessments. Establish a new PFAS grouping strategy and ecotoxicity life cycle assessment framework.
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Affiliation(s)
- Huinian Liu
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, China
| | - Wenli Hu
- College of Life Sciences, Hunan Normal University, Changsha, 410081, China
| | - Xin Li
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, China.
| | - Fangwen Hu
- Zhangjiajie College, Jishou University, Zhangjiajie, 427000, China
| | - Yanfen Liu
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China
| | - Tanghuan Xie
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China
| | - Bo Liu
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, China
| | - Yanni Xi
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, China
| | - Zhu Su
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China
| | - Chang Zhang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, China
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20
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Boyer TH, Ellis A, Fang Y, Schaefer CE, Higgins CP, Strathmann TJ. Life cycle environmental impacts of regeneration options for anion exchange resin remediation of PFAS impacted water. WATER RESEARCH 2021; 207:117798. [PMID: 34768102 DOI: 10.1016/j.watres.2021.117798] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 10/18/2021] [Accepted: 10/20/2021] [Indexed: 06/13/2023]
Abstract
Although anion exchange resin (AER) treatment is considered an effective technology for removing per- and polyfluoroalkyl substances (PFASs) from impacted water, the environmental impacts associated with AER regeneration have not been systematically explored. In particular, the trade-offs of altering the composition of the regeneration solution and disposing of or recycling the waste regeneration solution are not known. To fill these important gaps in the literature, this research conducted a comparative life cycle assessment (LCA) of an AER-based PFAS remediation system with different regeneration scenarios including disposing of waste regeneration solution via incineration, reusing the organic cosolvent and brine fractions of the waste regeneration solution, and altering the composition of the regeneration solution to avoid organic cosolvent or NaCl. The results show that disposing of waste regeneration solution via incineration, without recycling organic cosolvent or brine, had the greatest environmental impact, and that incineration accounted for the greatest impact among contributing processes. Recycling of the cosolvent (or cosolvent and brine) fraction of the waste regeneration solution resulted in lower environmental impacts due to reduced mass of waste disposed of via incineration. Replacing NaCl in the brine with an alternative salt resulted in higher environmental impacts, with salts derived from chemical production, such as ammonium chloride and potassium carbonate, showing the largest increases in impacts. The results of this research highlight the importance of understanding the fate of PFASs during incineration, and the need for PFAS destruction technologies that can be coupled to AER regeneration to avoid incineration.
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Affiliation(s)
- Treavor H Boyer
- School of Sustainable Engineering and the Built Environment (SSEBE), Arizona State University (ASU), Tempe, AZ 85287, United States.
| | - Anderson Ellis
- Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, Colorado 80401, United States
| | - Yida Fang
- CDM Smith, Edison, New Jersey 08837, United States
| | | | - Christopher P Higgins
- Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, Colorado 80401, United States
| | - Timothy J Strathmann
- Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, Colorado 80401, United States
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21
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Fantke P, Cinquemani C, Yaseneva P, De Mello J, Schwabe H, Ebeling B, Lapkin AA. Transition to sustainable chemistry through digitalization. Chem 2021. [DOI: 10.1016/j.chempr.2021.09.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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22
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Liu H, Hu W, Li X, Hu F, Xi Y, Su Z, Huang Y, Liu B, Zhang C. Do perfluoroalkyl substances aggravate the occurrence of obesity-associated glucolipid metabolic disease? ENVIRONMENTAL RESEARCH 2021; 202:111724. [PMID: 34293310 DOI: 10.1016/j.envres.2021.111724] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/12/2021] [Accepted: 07/15/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Since 2016, more and more studies have been conducted to explore the combination of obesity and perfluoroalkyl substances (PFASs) exposure, and the results indicate that PFASs may be connected with the occurrence of obesity-associated glucolipid metabolic disease (GLMD). OBJECTIVES This article summarizes the epidemiological studies on PFASs and obesity-related GLMD, as well as relevant experimental evidence. RESULTS (i) Both obesity and PFASs exposure can cause disorder of glucose and lipid metabolism (GLM). (ii) Obesity is a pivotal factor in the high incidence of GLMD induce by PFASs. (iii) PFASs are aggravating the occurrence of obesity-associated GLMD [e.g., diabetes, cardiovascular disease (CVD), and liver disease]. CONCLUSION The paper fills the gaps among environmental chemistry/epidemiology/toxicology area research. More importantly, PFASs should be taken into account to explain the high-prevalence of obesity-related GLMD. FUTURE DIRECTION Three research programs are proposed to explore the synergistic mechanism of PFASs and obesity. In addition, three suggestions are recommended to solve the harm of PFASs pollutants to human beings.
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Affiliation(s)
- Huinian Liu
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, China
| | - Wenli Hu
- College of Life Sciences, Hunan Normal University, Changsha, 410081, China
| | - Xin Li
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, China.
| | - Fangwen Hu
- Zhangjiajie College, Jishou University, Zhangjiajie, 427000, China
| | - Yanni Xi
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, China
| | - Zhu Su
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China
| | - Yicai Huang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, China
| | - Bo Liu
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China
| | - Chang Zhang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, China
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23
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Pini M, Scarpellini S, Rosa R, Neri P, Gualtieri AF, Ferrari AM. Management of Asbestos Containing Materials: A Detailed LCA Comparison of Different Scenarios Comprising First Time Asbestos Characterization Factor Proposal. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:12672-12682. [PMID: 34468140 PMCID: PMC8459455 DOI: 10.1021/acs.est.1c02410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
This work addresses the complex issue of asbestos containing materials (ACMs) management, by focusing on the scenario of six municipalities comprised in the Reggio Emilia province of Emilia Romagna Italian region. Particularly, the life cycle assessment (LCA) methodology was applied in order to assess in a quantitative and reliable manner the human toxicity as well as the ecotoxicity impacts associated with all of the different phases of ACMs management. The latter comprises mapping of ACMs, creation of a risk map for defining priority of intervention, encapsulation and removal of ACMs, as well as the as obtained asbestos containing waste (ACW) end of life. Particularly, a thermal inertisation treatment performed in a continuous industrial furnace was considered as the innovative end of life scenario to be compared with what actually was provided by the legislation of many countries worldwide, that is, the disposal of ACW in a controlled landfill for hazardous wastes. A characterization factor for asbestos fibers released both in outdoor air and in occupational setting was proposed for the first time and included in the USEtox 2.0 impact assessment method. This allowed us to reliably and quantitatively highlight that inertisation treatments should be the preferred solutions to be adopted by local and national authorities, especially if the obtained inert material finds application as secondary raw materials, thus contributing to a decrease in the environmental damage (limited to its toxicological contributions) to be associated with asbestos management.
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Affiliation(s)
- Martina Pini
- Department
of Sciences and Methods for Engineering, University of Modena and Reggio Emilia, Via G. Amendola 2, 42122, Reggio Emilia, Italy
- Interdepartmental
Center En&Tech, University of Modena
and Reggio Emilia, Via
G. Amendola, 2, 42122 Reggio Emilia, Italy
| | - Simone Scarpellini
- Department
of Sciences and Methods for Engineering, University of Modena and Reggio Emilia, Via G. Amendola 2, 42122, Reggio Emilia, Italy
| | - Roberto Rosa
- Department
of Sciences and Methods for Engineering, University of Modena and Reggio Emilia, Via G. Amendola 2, 42122, Reggio Emilia, Italy
- Interdepartmental
Center En&Tech, University of Modena
and Reggio Emilia, Via
G. Amendola, 2, 42122 Reggio Emilia, Italy
- Phone: +390522523558;
| | - Paolo Neri
- Department
of Sciences and Methods for Engineering, University of Modena and Reggio Emilia, Via G. Amendola 2, 42122, Reggio Emilia, Italy
| | - Alessandro F. Gualtieri
- Department
of Chemical and Geological Sciences, University
of Modena and Reggio Emilia, Via G. Campi 103, 41125, Modena, Italy
| | - Anna Maria Ferrari
- Department
of Sciences and Methods for Engineering, University of Modena and Reggio Emilia, Via G. Amendola 2, 42122, Reggio Emilia, Italy
- Interdepartmental
Center En&Tech, University of Modena
and Reggio Emilia, Via
G. Amendola, 2, 42122 Reggio Emilia, Italy
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24
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Fantke P, Chiu WA, Aylward L, Judson R, Huang L, Jang S, Gouin T, Rhomberg L, Aurisano N, McKone T, Jolliet O. Exposure and Toxicity Characterization of Chemical Emissions and Chemicals in Products: Global Recommendations and Implementation in USEtox. THE INTERNATIONAL JOURNAL OF LIFE CYCLE ASSESSMENT 2021; 26:899-915. [PMID: 34140756 PMCID: PMC8208704 DOI: 10.1007/s11367-021-01889-y] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 03/11/2021] [Indexed: 05/24/2023]
Abstract
PURPOSE Reducing chemical pressure on human and environmental health is an integral part of the global sustainability agenda. Guidelines for deriving globally applicable, life cycle based indicators are required to consistently quantify toxicity impacts from chemical emissions as well as from chemicals in consumer products. In response, we elaborate the methodological framework and present recommendations for advancing near-field/far-field exposure and toxicity characterization, and for implementing these recommendations in the scientific consensus model USEtox. METHODS An expert taskforce was convened by the Life Cycle Initiative hosted by UN Environment to expand existing guidance for evaluating human toxicity impacts from exposure to chemical substances. This taskforce evaluated advances since the original release of USEtox. Based on these advances, the taskforce identified two major aspects that required refinement, namely integrating near-field and far-field exposure and improving human dose-response modeling. Dedicated efforts have led to a set of recommendations to address these aspects in an update of USEtox, while ensuring consistency with the boundary conditions for characterizing life cycle toxicity impacts and being aligned with recommendations from agencies that regulate chemical exposure. The proposed framework was finally tested in an illustrative rice production and consumption case study. RESULTS AND DISCUSSION On the exposure side, a matrix system is proposed and recommended to integrate far-field exposure from environmental emissions with near-field exposure from chemicals in various consumer product types. Consumer exposure is addressed via submodels for each product type to account for product characteristics and exposure settings. Case study results illustrate that product-use related exposure dominates overall life cycle exposure. On the effect side, a probabilistic dose-response approach combined with a decision tree for identifying reliable points of departure is proposed for non-cancer effects, following recent guidance from the World Health Organization. This approach allows for explicitly considering both uncertainty and human variability in effect factors. Factors reflecting disease severity are proposed to distinguish cancer from non-cancer effects, and within the latter discriminate reproductive/developmental and other non-cancer effects. All proposed aspects have been consistently implemented into the original USEtox framework. CONCLUSIONS The recommended methodological advancements address several key limitations in earlier approaches. Next steps are to test the new characterization framework in additional case studies and to close remaining research gaps. Our framework is applicable for evaluating chemical emissions and product-related exposure in life cycle assessment, chemical alternatives assessment and chemical substitution, consumer exposure and risk screening, and high-throughput chemical prioritization.
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Affiliation(s)
- Peter Fantke
- Quantitative Sustainability Assessment, Department of Technology, Management and Economics, Technical University of Denmark, Produktionstorvet 424, 2800 Kgs. Lyngby, Denmark
| | - Weihsueh A. Chiu
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, USA
| | - Lesa Aylward
- Queensland Alliance for Environmental Health Sciences, University of Queensland, Brisbane, Australia
| | - Richard Judson
- National Center for Computational Toxicology, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA
| | - Lei Huang
- Department of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Suji Jang
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, USA
| | - Todd Gouin
- TG Environmental Research, Sharnbrook, MK44 1PL, UK
| | | | - Nicolò Aurisano
- Quantitative Sustainability Assessment, Department of Technology, Management and Economics, Technical University of Denmark, Produktionstorvet 424, 2800 Kgs. Lyngby, Denmark
| | - Thomas McKone
- School of Public Health, University of California, Berkeley, California 94720, USA
| | - Olivier Jolliet
- Department of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, Michigan 48109, USA
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25
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Beloin-Saint-Pierre D, Albers A, Hélias A, Tiruta-Barna L, Fantke P, Levasseur A, Benetto E, Benoist A, Collet P. Addressing temporal considerations in life cycle assessment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 743:140700. [PMID: 32758829 DOI: 10.1016/j.scitotenv.2020.140700] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 06/05/2020] [Accepted: 07/01/2020] [Indexed: 05/27/2023]
Abstract
In life cycle assessment (LCA), temporal considerations are usually lost during the life cycle inventory calculation, resulting in an aggregated "snapshot" of potential impacts. Disregarding such temporal considerations has previously been underlined as an important source of uncertainty, but a growing number of approaches have been developed to tackle this issue. Nevertheless, their adoption by LCA practitioners is still uncommon, which raises concerns about the representativeness of current LCA results. Furthermore, a lack of consistency can be observed in the used terms for discussions on temporal considerations. The purpose of this review is thus to search for common ground and to identify the current implementation challenges while also proposing development pathways. This paper introduces a glossary of the most frequently used terms related to temporal considerations in LCA to build a common understanding of key concepts and to facilitate discussions. A review is also performed on current solutions for temporal considerations in different LCA phases (goal and scope definition, life cycle inventory analysis and life cycle impact assessment), analysing each temporal consideration for its relevant conceptual developments in LCA and its level of operationalisation. We then present a potential stepwise approach and development pathways to address the current challenges of implementation for dynamic LCA (DLCA). Three key focal areas for integrating temporal considerations within the LCA framework are discussed: i) define the temporal scope over which temporal distributions of emissions are occurring, ii) use calendar-specific information to model systems and associated impacts, and iii) select the appropriate level of temporal resolution to describe the variations of flows and characterisation factors. Addressing more temporal considerations within a DLCA framework is expected to reduce uncertainties and increase the representativeness of results, but possible trade-offs between additional data collection efforts and the increased value of results from DLCAs should be kept in mind.
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Affiliation(s)
| | - Ariane Albers
- IFP Energies Nouvelles, 1 et 4 Avenue de Bois-Préau, 92852 Rueil-Malmaison, France
| | - Arnaud Hélias
- ITAP, Irstea, Montpellier SupAgro, Univ Montpellier, ELSA Research Group, Montpellier, France
| | | | - Peter Fantke
- Quantitative Sustainability Assessment, Department of Technology, Management and Economics, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Annie Levasseur
- École de technologie supérieure, Construction Engineering Department, 1100 Notre-Dame West, Montréal, Québec, Canada
| | - Enrico Benetto
- Environmental Sustainability Assessment and Circularity Unit, Department of Environmental Research and Innovation, Luxembourg Institute of Science and Technology, Esch/Alzette, Luxembourg
| | | | - Pierre Collet
- IFP Energies Nouvelles, 1 et 4 Avenue de Bois-Préau, 92852 Rueil-Malmaison, France
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