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Picone M, Distefano GG, Marchetto D, Russo M, Volpi Ghirardini A. Spiking organic chemicals onto sediments for ecotoxicological analyses: an overview of methods and procedures. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:31002-31024. [PMID: 35113376 DOI: 10.1007/s11356-022-18987-5] [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: 06/11/2021] [Accepted: 01/27/2022] [Indexed: 06/14/2023]
Abstract
Laboratory testing with spiked sediments with organic contaminants is a valuable tool for ecotoxicologists to study specific processes such as effects of known concentrations of toxicants, interactions of the toxicants with sediment and biota, and uptake kinetics. Since spiking of the sediment may be performed by using different strategies, a plethora of procedures was proposed in the literature for spiking organic chemicals onto sediments to perform ecotoxicological analyses. In this paper, we reviewed the scientific literature intending to characterise the kind of substrates that were used for spiking (i.e. artificial or field-collected sediment), how the substrates were handled before spiking and amended with the organic chemical, how the spiked sediment was mixed to allow the homogenisation of the chemical on the substrate and finally how long the spiked sediment was allowed to equilibrate before testing. What emerged from this review is that the choice of the test species, the testing procedures and the physicochemical properties of the organic contaminant are the primary driving factors affecting the selection of substrate type, sediment handling procedures, solvent carrier and mixing method. Finally, we provide recommendations concerning storage and characterization of the substrate, equilibrium times and verification of both equilibration and homogeneity.
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Affiliation(s)
- Marco Picone
- Dipartimento di Scienze Ambientali, Informatica e Statistica, Università Ca' Foscari, Campus Scientifico Via Torino 155, 30170, Mestre, Venice, Italy
| | - Gabriele Giuseppe Distefano
- Dipartimento di Scienze Ambientali, Informatica e Statistica, Università Ca' Foscari, Campus Scientifico Via Torino 155, 30170, Mestre, Venice, Italy
| | - Davide Marchetto
- Dipartimento di Scienze Ambientali, Informatica e Statistica, Università Ca' Foscari, Campus Scientifico Via Torino 155, 30170, Mestre, Venice, Italy
| | - Martina Russo
- Dipartimento di Scienze Ambientali, Informatica e Statistica, Università Ca' Foscari, Campus Scientifico Via Torino 155, 30170, Mestre, Venice, Italy.
| | - Annamaria Volpi Ghirardini
- Dipartimento di Scienze Ambientali, Informatica e Statistica, Università Ca' Foscari, Campus Scientifico Via Torino 155, 30170, Mestre, Venice, Italy
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Camargo K, Vogelbein MA, Horney JA, Dellapenna TM, Knap AH, Sericano JL, Wade TL, McDonald TJ, Chiu WA, Unger MA. Biosensor applications in contaminated estuaries: Implications for disaster research response. ENVIRONMENTAL RESEARCH 2022; 204:111893. [PMID: 34419473 PMCID: PMC8639622 DOI: 10.1016/j.envres.2021.111893] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 08/10/2021] [Accepted: 08/12/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Given the time and monetary costs associated with traditional analytical chemistry, there remains a need to rapidly characterize environmental samples for priority analysis, especially within disaster research response (DR2). As PAHs are both ubiquitous and occur as complex mixtures at many National Priority List sites, these compounds are of interest for post-disaster exposures. OBJECTIVE This study tests the field application of the KinExA Inline Biosensor in Galveston Bay and the Houston Ship Channel (GB/HSC) and in the Elizabeth River, characterizing the PAH profiles of these region's soils and sediments. To our knowledge, this is the first application of the biosensor to include soils. METHODS The biosensor enables calculation of total free PAHs in porewater (C free), which is confirmed through gas chromatography-mass spectrometry (GC-MS) analysis. To determine potential risk of the collected soils the United States Environmental Protection (USEPA) Agency's Regional Screening Level (RSL) Calculator is used along with the USEPA Region 4 Ecological Screening Values (R4-ESV) and Refined Screening Values (R4-RSV). RESULTS Based on GC-MS results, all samples had PAH-related hazard indices below 1, indicating low noncarcinogenic risks, but some samples exceeded screening levels for PAH-associated cancer risks. Combining biosensor-based C free with Total Organic Carbon yields predictions highly correlated (r > 0.5) both with total PAH concentrations as well as with hazard indices and cancer risks. Additionally, several individual parent PAH concentrations in both the GB/HSC and Elizabeth River sediments exceeded the R4- ESV and R4-RSV values, indicating a need for follow-up sediment studies. CONCLUSIONS The resulting data support the utility of the biosensor for future DR2 efforts to characterize PAH contamination, enabling preliminary PAH exposure risk screening to aid in prioritization of environmental sample analysis.
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Affiliation(s)
- Krisa Camargo
- Department of Veterinary Integrative Biosciences - Interdisciplinary Faculty of Toxicology (IFT), Texas A&M University, College Station, TX, 77843, USA; Texas A&M University Geochemical and Environmental Research Group, College Station, TX, 77845, USA
| | - Mary Ann Vogelbein
- Department of Aquatic Health Sciences, Virginia Institute of Marine Science, William & Mary, Gloucester Point, VA, 23062, USA
| | - Jennifer A Horney
- Epidemiology Program, University of Delaware, Newark, DE, 19716, USA
| | - Timothy M Dellapenna
- Department of Marine and Coastal Environmental Science, Texas A&M University Galveston, Galveston, TX, 77554, USA
| | - Anthony H Knap
- Department of Veterinary Integrative Biosciences - Interdisciplinary Faculty of Toxicology (IFT), Texas A&M University, College Station, TX, 77843, USA; Texas A&M University Geochemical and Environmental Research Group, College Station, TX, 77845, USA
| | - Jose L Sericano
- Department of Veterinary Integrative Biosciences - Interdisciplinary Faculty of Toxicology (IFT), Texas A&M University, College Station, TX, 77843, USA; Texas A&M University Geochemical and Environmental Research Group, College Station, TX, 77845, USA
| | - Terry L Wade
- Department of Veterinary Integrative Biosciences - Interdisciplinary Faculty of Toxicology (IFT), Texas A&M University, College Station, TX, 77843, USA; Texas A&M University Geochemical and Environmental Research Group, College Station, TX, 77845, USA
| | - Thomas J McDonald
- Department of Veterinary Integrative Biosciences - Interdisciplinary Faculty of Toxicology (IFT), Texas A&M University, College Station, TX, 77843, USA; School of Public Health, Texas A&M University, College Station, TX, 77843, USA
| | - Weihsueh A Chiu
- Department of Veterinary Integrative Biosciences - Interdisciplinary Faculty of Toxicology (IFT), Texas A&M University, College Station, TX, 77843, USA
| | - Michael A Unger
- Department of Aquatic Health Sciences, Virginia Institute of Marine Science, William & Mary, Gloucester Point, VA, 23062, USA.
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Arduim J, da Silva Amaral MAF, Andrade GO, Rockenbach CK, Sanches Filho PJ. Evaluation of Aliphatic Hydrocarbons in Surface Sediments of Lagoa Mirim (RS, Brazil). BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 107:466-474. [PMID: 34379137 DOI: 10.1007/s00128-021-03343-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 07/19/2021] [Indexed: 06/13/2023]
Abstract
In this study, the hydrocarbons (HCs) levels in sediments from Lagoa Mirim, situated in the south of Brazil, were verified. The methodology brought together stages of pre-sonification, soxhlet extraction, and determination by gas chromatography coupled with mass spectrometry (GC/MS). Ten sample points were evaluated where ∑n-alkanes varied between 1.46 µg kg-1 ± 4.0% and 10.10 µg kg-1 ± 17.6%. Diagnostic indexes were calculated, being: Carbon Preferential Index (CPI), terrestrial/aquatic ratio (TAR), unresolved complex mixture (UCM), UCM/∑n-alkanes ratio, and n-alkane ratio with Low molecular weight hydrocarbon and High molecular weight hydrocarbons (HMW/LMW). In general, the results of this study indicate a low anthropogenic impact in the environment.
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Affiliation(s)
- Júlia Arduim
- Grupo de Pesquisa em Contaminantes Ambientais - Instituto Federal de Educação Ciência e Tecnologia Sul-rio-grandense (IFSul), Pelotas, RS, Brazil
| | - Maria Alice Farias da Silva Amaral
- Grupo de Pesquisa em Contaminantes Ambientais - Instituto Federal de Educação Ciência e Tecnologia Sul-rio-grandense (IFSul), Pelotas, RS, Brazil
| | - Gabriela Oliveira Andrade
- Grupo de Pesquisa em Contaminantes Ambientais - Instituto Federal de Educação Ciência e Tecnologia Sul-rio-grandense (IFSul), Pelotas, RS, Brazil
| | - Camila Kaezynski Rockenbach
- Grupo de Pesquisa em Contaminantes Ambientais - Instituto Federal de Educação Ciência e Tecnologia Sul-rio-grandense (IFSul), Pelotas, RS, Brazil
| | - Pedro José Sanches Filho
- Grupo de Pesquisa em Contaminantes Ambientais - Instituto Federal de Educação Ciência e Tecnologia Sul-rio-grandense (IFSul), Pelotas, RS, Brazil.
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Sun Y, Zhang R, Ma R, Zhou H, Zhang F, Guo G, Li H, Lü C. Distribution, sources, and ecological risk assessment of polycyclic aromatic hydrocarbons in the sediments of Daihai Lake in Inner Mongolia, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:23123-23132. [PMID: 33439447 DOI: 10.1007/s11356-021-12349-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 01/02/2021] [Indexed: 06/12/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are typical toxic organic pollutants that can accumulate in sediments and may be toxic to aquatic organisms. In the present study, the contamination level, composition pattern, and sources of sixteen PAHs listed by the United States Environmental Protection Agency were investigated in surface sediments and a sediment core from Daihai Lake, which is located in a typical semiarid area of Inner Mongolia, China, and the ecological risk of these PAHs was assessed. The results show that the total concentration of PAHs in the surface sediments ranged from 204.6 to 344.5 ng/g with an average value of 287.2 ng/g and that compared with other aquatic systems, the level of PAHs in the sediments from Daihai Lake was low. However, a general upward trend was observed for the concentrations of PAHs in the sediment core, which might be related to the increase in human activities in the area. Moreover, the PAH concentrations were significantly positively correlated with the total organic carbon (TOC) content in the sediments, and it is thus inferred that TOC regulates the distribution of PAHs in Daihai Lake. Three-ring and four-ring PAHs were found to be predominant in all the sediment samples, and phenanthrene (Phe) was the most abundant compound. According to the composition of PAHs and the anthracene (Ant)/(Ant+Phe) or fluoranthene (Flt)/(Flt+pyrene (Pyr)) ratios, the PAHs in Daihai Lake mainly originated from the combustion of domestic coal, grass, and wood, and petroleum cannot be ignored as a source considering the growth of industry. Risk assessment based on a comparison of PAH concentrations and the effect range low (ERL) and effect range median (ERM) values demonstrated that acenaphthene (Ace) at 11 sites and fluorene (Flu) at 7 sites had occasional adverse biological effects.
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Affiliation(s)
- Yuwei Sun
- School of Ecology and Environment, Inner Mongolia University, Hohhot, 010021, Inner Mongolia, China
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Ruiqing Zhang
- School of Ecology and Environment, Inner Mongolia University, Hohhot, 010021, Inner Mongolia, China.
| | - Ruipeng Ma
- School of Ecology and Environment, Inner Mongolia University, Hohhot, 010021, Inner Mongolia, China
| | - Haijun Zhou
- College of Geographical Sciences, Inner Mongolia Normal University, Hohhot, 010022, Inner Mongolia, China.
| | - Fujin Zhang
- Institute of Environmental Resources and Analytical Technique, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot, 010031, Inner Mongolia, China
| | - Guanghui Guo
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China
| | - Huixian Li
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Changwei Lü
- School of Ecology and Environment, Inner Mongolia University, Hohhot, 010021, Inner Mongolia, China
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Conder J, Jalalizadeh M, Luo H, Bess A, Sande S, Healey M, Unger MA. Evaluation of a rapid biosensor tool for measuring PAH availability in petroleum-impacted sediment. ENVIRONMENTAL ADVANCES 2021; 3:100032. [PMID: 34337585 PMCID: PMC8323639 DOI: 10.1016/j.envadv.2021.100032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Decades of research have shown that the concentration of freely dissolved PAH (Cfree) in sediment correlates with PAH bioavailability and toxicity to aquatic organisms. Passive sampling techniques and models have been used for measuring and predicting Cfree, respectively, but these techniques require weeks for analytical chemical measurements and data evaluation. This study evaluated the performance of a portable, field-deployable antibody-based PAH biosensor method that can provide measurements of PAH Cfree within a matter of minutes using a small volume of mechanically-extracted sediment porewater. Four sediments with a wide range of PAHs (ΣPAH 2.4 to 307 mg/kg) derived from petroleum, creosote, and mixed urban sources, were analyzed via three methods: 1) bulk chemistry analysis; 2) ex situ sediment passive sampling; and 3) biosensor analysis of mechanically-extracted sediment porewater. Mean ΣPAH Cfree determined by the biosensor for the four sediments (3.1 to 55 μg/L) were within a factor of 1.1 (on average) compared to values determined by the passive samplers (2.0 to 52 μg/L). All mean values differed by a factor of 3 or less. The biosensor was also useful in identifying sediments that are likely to be non-toxic to benthic invertebrates. In two of the four sediments, biosensor results of 20 and 55 μg/L exceeded a potential risk-based screening level of 10 μg/L, indicating toxicity could not be ruled out. PAH Toxic Units (ΣTU) measured in these two sediments using the passive sampler Cfree results were also greater than the ΣTU threshold of 1 (6.7 and 5.8, respectively), confirming the conclusions reached with the biosensor. In contrast, the other two sediments were identified as non-toxic by both the biosensor (3.1 and 4.3 μg/L) and the passive sampler (ΣTUs of 0.34 and 0.039). These results indicate that the biosensor is a promising tool for rapid screening of sediments potentially-impacted with PAHs.
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Affiliation(s)
- Jason Conder
- Geosyntec Consultants, Huntington Beach, CA, United States
- Corresponding author. (J. Conder)
| | | | - Hong Luo
- Chevron Energy Technology Company, Houston, TX, United States
| | - Amanda Bess
- Chevron Energy Technology Company, Houston, TX, United States
| | | | | | - Michael A. Unger
- Virginia Institute of Marine Science, William & Mary, Gloucester Point, VA, United States
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A Critical Review of Analytical Methods for Comprehensive Characterization of Produced Water. WATER 2021. [DOI: 10.3390/w13020183] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Produced water is the largest waste stream associated with oil and gas production. It has a complex matrix composed of native constituents from geologic formation, chemical additives from fracturing fluids, and ubiquitous bacteria. Characterization of produced water is critical to monitor field operation, control processes, evaluate appropriate management practices and treatment effectiveness, and assess potential risks to public health and environment during the use of treated water. There is a limited understanding of produced water composition due to the inherent complexity and lack of reliable and standardized analytical methods. A comprehensive description of current analytical techniques for produced water characterization, including both standard and research methods, is discussed in this review. Multi-tiered analytical procedures are proposed, including field sampling; sample preservation; pretreatment techniques; basic water quality measurements; organic, inorganic, and radioactive materials analysis; and biological characterization. The challenges, knowledge gaps, and research needs for developing advanced analytical methods for produced water characterization, including target and nontarget analyses of unknown chemicals, are discussed.
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