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James TK, Ghanizadeh H, Harrington KC, Bolan NS. The leaching behaviour of herbicides in cropping soils amended with forestry biowastes. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 307:119466. [PMID: 35577261 DOI: 10.1016/j.envpol.2022.119466] [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: 03/25/2022] [Revised: 04/27/2022] [Accepted: 05/09/2022] [Indexed: 06/15/2023]
Abstract
Leaching of herbicides in cropping soils not only impacts the groundwater sources but also reduces their effect in controlling weeds. Leaching studies were carried out in two cropping soils and two forestry biowaste media, wood pulp and sawdust with two herbicides, atrazine and bromacil in a packed lysimeter with simulated rainfall. The hypothesis was that high organic matter forestry biowaste soil amendments reduce the leaching of herbicides through the soil profile. Results from the experimental setups varied due to the impact of the simulated rainfall on the surface structure of the media. Organic carbon content, pH and structure of the media were all factors which affected the leaching of the two herbicides. The hypothesis was true for wood pulp, but for sawdust, organic matter content had less bearing on the leaching of the herbicides than other over-riding factors, such as pH, that were media specific. In sawdust, its large particle size and related pore volume allowed preferential flow of herbicides. Overall, the data indicated that both forestry biowastes were retentive to herbicide leaching, but the effect was more pronounced with wood pulp than sawdust.
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Affiliation(s)
- Trevor K James
- AgResearch, Ruakura Research Centre, Private Bag 3123, Hamilton, 3240, New Zealand
| | - Hossein Ghanizadeh
- School of Agriculture and Environment, Massey University, Private Bag 11-222, Palmerston North, 4442, New Zealand.
| | - Kerry C Harrington
- School of Agriculture and Environment, Massey University, Private Bag 11-222, Palmerston North, 4442, New Zealand
| | - Nanthi S Bolan
- School of Agriculture and Environment, The University of Western Australia, Perth, WA, 6001, Australia; The UWA Institute of Agriculture, The University of Western Australia, Perth, WA, 6001, Australia
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D'Alessio M, Onanong S, Snow DD, Ray C. Occurrence and removal of pharmaceutical compounds and steroids at four wastewater treatment plants in Hawai'i and their environmental fate. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 631-632:1360-1370. [PMID: 29727960 DOI: 10.1016/j.scitotenv.2018.03.100] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Revised: 03/02/2018] [Accepted: 03/09/2018] [Indexed: 06/08/2023]
Abstract
The occurrence of pharmaceutical and steroid compounds in groundwater due to wastewater reuse has been reported and is of concern in tropical islands which primarily rely on groundwater. The objective of this study was to investigate the occurrence and removal of 43 pharmaceutical and steroid compounds detected in wastewater at four different wastewater treatment plants (WWTPs) in Hawai'i and to understand their environmental behavior through tropical soils as the treated effluents are used in landscapes for irrigation. Eight soil sampling locations, collected at three different depths, representing the most common soil types in Hawai'i and four WWTPs located across the major Hawaiian Islands were used. Disturbed soil samples were used to conduct the soil sorption and degradation studies and to estimate the leaching risk associated to the identified compounds. Quantification of selected compounds was conducted using liquid chromatography-tandem mass spectrometry (LC-MS/MS). Among the investigated compounds, only ten were detected in the treated effluents at concentrations ranging from 0.004 to 0.900 μg L-1. Caffeine (64 μg L-1) and ibuprofen (96.5 μg L-1) showed the highest concentration in raw samples, while diphenhydramine (0.9 μg L-1) showed the highest concentration in treated effluent samples. Sulfamethoxazole showed the lowest removal (0-75%). Several pharmaceuticals showed consistently higher sorption capacity and longer persistency compared with steroids regardless of soil types and depths. Poamoho (Oxisol soil) and Waimānalo (Mollisol soil) showed the highest sorption capacity, while Waimea (Entisol soil) showed the lowest sorption capacity. Soil physico-chemical properties (i.e., clay content, level of organic carbon, and presence of metal oxide) and soil depth highly impacted the sorption behavior of the selected pharmaceutical compounds. In particular, the sorption capacity decreased with soil depth due to the higher level of organic carbon present in the first 30 cm compared with the deeper depths (60-90 cm).
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Affiliation(s)
- Matteo D'Alessio
- University of Nebraska-Lincoln, 202 Water Sciences Laboratory, 1840 North 37th Street, Lincoln, NE 68583-0844, USA; University of Nebraska-Lincoln, Nebraska Water Center, 2021 Transformation Drive, Suite 3220, Lincoln, NE 68583-0979, USA.
| | - Sathaporn Onanong
- University of Nebraska-Lincoln, 202 Water Sciences Laboratory, 1840 North 37th Street, Lincoln, NE 68583-0844, USA.
| | - Daniel D Snow
- University of Nebraska-Lincoln, 202 Water Sciences Laboratory, 1840 North 37th Street, Lincoln, NE 68583-0844, USA.
| | - Chittaranjan Ray
- University of Nebraska-Lincoln, Nebraska Water Center, 2021 Transformation Drive, Suite 3220, Lincoln, NE 68583-0979, USA.
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D'Alessio M, Wang T, Swift CE, Shanmungam MS, Ray C. A Tier-I leaching risk assessment of three anticoagulant compounds in the forested areas of Hawai'i. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 630:889-902. [PMID: 29499544 DOI: 10.1016/j.scitotenv.2018.02.257] [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: 11/21/2017] [Revised: 02/21/2018] [Accepted: 02/21/2018] [Indexed: 06/08/2023]
Abstract
The anticoagulant rodenticides brodifacoum, chlorophacinone, and diphacinone have been proposed for broadcast application in some forested areas in Hawai'i to protect rare and endangered native bird species from introduced mice and rats. Groundwater resources in Hawai'i are prone to contamination due to the intrinsic aquifer vulnerability to leaching from the land surface. Because of the hydrogeologic complexity, Hawai'i uses a Tier-I leaching assessment tool, CLERS, to make registration decisions for new or existing chemicals. The CLERS tool uses soil and pesticide properties as well as water recharge through the soil profile in a GIS framework to estimate mass attenuation of the chemicals at a given depth and compares against this attenuation factor against those of a known leacher and a non-leacher. Disturbed soil samples were collected across the state of Hawai'i, including the islands of Hawai'i, Kaho'olawe, Kaua'i, Lana'i, Maui, Moloka'i, and O'ahu, with two sampling locations per island, except for Kaua'i which had three. As only limited information on chemical properties of these anticoagulants in soils is available, laboratory experiments were performed to determine the sorption capacity (Kd) and the degradation rate (T1/2) of brodifacoum, chlorophacinone, and diphacinone to construct a proper chemical database. Depending on the soil type, T1/2 values ranged between 37 and 248days for diphacinone, between 39 and 1000days for chlorophacinone, and between 72 and 462days for brodifacoum. These data were used in the CLERS tool to estimate leaching risks for these chemicals primarily in forested areas of the state where the chemicals are likely to be applied. The results from the CLERS tool indicate low risks of leaching of these three compounds into aquifers in five out of six major Hawaiian Islands. Diphacinone showed medium risk of leaching in a few remote areas in Maui.
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Affiliation(s)
- Matteo D'Alessio
- University of Nebraska-Lincoln, Water Sciences Laboratory, 202 Water Sciences Laboratory, 1840 North 37th Street, Lincoln, NE 68583-0844, USA.
| | - Tiejun Wang
- School of Natural Resources, University of Nebraska-Lincoln, Lincoln, NE, USA.
| | - Catherine E Swift
- Pacific Islands Fish and Wildlife Office, U.S. Fish & Wildlife Service, 300 Ala Moana Blvd, Honolulu, HI 96850, USA
| | - Mohana Sundaram Shanmungam
- University of Nebraska-Lincoln, Nebraska Water Center, 2021 Transformation Drive, Suite 3220, Lincoln, NE 68583-0979, USA
| | - Chittaranjan Ray
- University of Nebraska-Lincoln, Nebraska Water Center, 2021 Transformation Drive, Suite 3220, Lincoln, NE 68583-0979, USA.
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Chen Z, Zou Y, Wang J, Li M, Wen Y. Phytotoxicity of chiral herbicide bromacil: Enantioselectivity of photosynthesis in Arabidopsis thaliana. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 548-549:139-147. [PMID: 26802342 DOI: 10.1016/j.scitotenv.2016.01.046] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Revised: 01/08/2016] [Accepted: 01/08/2016] [Indexed: 06/05/2023]
Abstract
With the wide application of chiral herbicides and the frequent detection of photosystem II (PSII) herbicides, it is of great importance to assess the direct effects of PSII herbicides on photosynthesis in an enantiomeric level. In the present study, the enantioselective phytotoxicity of bromacil (BRO), typical photosynthesis inhibition herbicide, on Arabidopsis thaliana was investigated. The results showed that S-BRO exhibited a greater inhibition of electron transmission in photosystem I (PSI) of A. thaliana than R-BRO by inhibiting the transcription of fnr 1. S-BRO also changed the chlorophyll fluorescence parameters Y (II), Y (NO), and Y (NPQ) to a greater extent than R-Bro. Transcription of genes psbO2, Lhcb3 and Lhcb6 was down-regulated in an enantioselective rhythm and S-BRO caused more serious influence, indicating that S-BRO did worse damage to the photosystem II (PSII) of A. thaliana than R-BRO. This study suggested that S-BRO disturbed the photosynthesis of plants to a larger extent than R-BRO and provided a new sight to evaluate the phytotoxicity of chiral herbicides.
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Affiliation(s)
- Zunwei Chen
- MOE Key Laboratory of Environmental Remediation & Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yuqin Zou
- MOE Key Laboratory of Environmental Remediation & Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jia Wang
- MOE Key Laboratory of Environmental Remediation & Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Meichao Li
- Research Center of Analysis and Measurement, Zhejiang University of Technology, Hangzhou 310032, China
| | - Yuezhong Wen
- MOE Key Laboratory of Environmental Remediation & Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China.
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Angthararuk D, Sutthivaiyakit P, Blaise C, Gagné F, Sutthivaiyakit S. Photo-catalysis of bromacil under simulated solar light using Au/TiO₂: evaluation of main degradation products and toxicity implications. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:1468-1479. [PMID: 25163558 DOI: 10.1007/s11356-014-3425-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Accepted: 08/07/2014] [Indexed: 06/03/2023]
Abstract
Bromacil (5-bromo-3-sec-butyl-6-methyluracil) is a substituted uracil herbicide used worldwide. It is not readily biodegradable and has the potential to contaminate different types of water bodies with possible impact on diverse non-target species. In this work, degradation of bromacil in aqueous Au/TiO2 suspension under simulated sunlight allowed fourteen degradation products to be identified. The photodegradation of bromacil followed (pseudo) first order kinetics in the presence of 0.2 g L(-1) of Au/TiO2 with a half-life of 25.66 ± 1.60 min and a rate constant of 0.0271 ± 0.0023 min(-1). Transformation routes of the photo-catalytic degradation of bromacil were then proposed. Complementary toxicity assessment of the treated bromacil solution revealed a marked decrease in toxicity, thereby confirming that by-products formed would be less harmful from an environmental point of view. Photo-catalytic degradation of bromacil thus appears to hold promise as a cost-effective treatment technology to diminish the presence of this herbicide in aquatic systems.
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Affiliation(s)
- Dusit Angthararuk
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Kasetsart University, Bangkok, 10903, Thailand
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Williams RM, Kulick AR, Yedlapalli S, Battistella L, Hajiran CJ, Sooter LJ. In vitro selection of a single-stranded DNA molecular recognition element specific for bromacil. J Nucleic Acids 2014; 2014:102968. [PMID: 25400940 PMCID: PMC4225842 DOI: 10.1155/2014/102968] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2014] [Revised: 09/14/2014] [Accepted: 09/14/2014] [Indexed: 02/05/2023] Open
Abstract
Bromacil is a widely used herbicide that is known to contaminate environmental systems. Due to the hazards it presents and inefficient detection methods, it is necessary to create a rapid and efficient sensing device. Towards this end, we have utilized a stringent in vitro selection method to identify single-stranded DNA molecular recognition elements (MRE) specific for bromacil. We have identified one MRE with high affinity (K d = 9.6 nM) and specificity for bromacil compared to negative targets of selection and other pesticides. The selected ssDNA MRE will be useful as the sensing element in a field-deployable bromacil detection device.
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Affiliation(s)
- Ryan M. Williams
- Department of Basic Pharmaceutical Sciences, West Virginia University, 1 Medical Center Drive, P.O. Box 9530, Morgantown, WV 26506, USA
- Memorial Sloan Kettering Cancer Center, Molecular Pharmacology & Chemistry Program, 1275 York Avenue, New York, NY 10065, USA
| | - Amanda R. Kulick
- Department of Basic Pharmaceutical Sciences, West Virginia University, 1 Medical Center Drive, P.O. Box 9530, Morgantown, WV 26506, USA
| | - Srilakshmi Yedlapalli
- Department of Chemistry, West Virginia University, 217 Clark Hall, Morgantown, WV 26506, USA
| | - Louisa Battistella
- Department of Basic Pharmaceutical Sciences, West Virginia University, 1 Medical Center Drive, P.O. Box 9530, Morgantown, WV 26506, USA
| | - Cyrus J. Hajiran
- Department of Basic Pharmaceutical Sciences, West Virginia University, 1 Medical Center Drive, P.O. Box 9530, Morgantown, WV 26506, USA
| | - Letha J. Sooter
- Department of Basic Pharmaceutical Sciences, West Virginia University, 1 Medical Center Drive, P.O. Box 9530, Morgantown, WV 26506, USA
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D'Alessio M, Vasudevan D, Lichwa J, Mohanty SK, Ray C. Fate and transport of selected estrogen compounds in Hawaii soils: effect of soil type and macropores. JOURNAL OF CONTAMINANT HYDROLOGY 2014; 166:1-10. [PMID: 25118588 DOI: 10.1016/j.jconhyd.2014.07.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2013] [Revised: 07/10/2014] [Accepted: 07/18/2014] [Indexed: 05/12/2023]
Abstract
The fate and transport of estrogen compounds in the environment is of increasing concern due to their potential impact on freshwater organisms, ecosystems and human health. The behavior of these compounds in batch experiments suggests low mobility, while field studies indicate the persistence of estrogen compounds in the soil with the possibility of migration to surface water as well as groundwater. To better understand the movement of these chemicals through soils, we examined their transport in three different Hawaiian soils and two aqueous matrices. The three different soils used were an Oxisol, a Mollisol and a cinder, characterized by different mineralogical properties and collected at depths of 60-90 cm and 210-240 cm. Two liquid matrices were used; deionized (DI) water containing calcium chloride (CaCl2), and recycled water collected from a wastewater treatment facility. The experiments were conducted in packed and structured columns. Non-equilibrium conditions were observed during the study, especially in the structured soil. This is believed to be primarily related to the presence of macropores in the soil. The presence of macropores resulted in reduced contact time between soil and estrogens, which facilitated their transport. We found that the organic carbon content and mineralogical composition of the soils had a profound effect on the transport of the estrogens. The mobility of estrone (E1) and 17β-estradiol (E2) was greater in cinder than in the other soils. In column experiments with recycled water, earlier breakthrough peaks and longer tails of estrogens were produced compared to those observed using DI water. The use of recycled water for agricultural purposes and the siting of septic tanks and cesspools should be critically reviewed in light of these findings, especially in areas where groundwater is the primary source of potable water, such as Hawaii.
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Affiliation(s)
- Matteo D'Alessio
- Water Resources Research Center, University of Hawaii at Manoa, Honolulu, HI 96822, United States; Department of Civil and Environmental Engineering, University of Hawaii at Manoa, Honolulu, HI 96822, United States
| | - Dharni Vasudevan
- Department of Chemistry, Bowdoin College, Brunswick, ME 04011, United States
| | - Joseph Lichwa
- Water Resources Research Center, University of Hawaii at Manoa, Honolulu, HI 96822, United States
| | - Sanjay K Mohanty
- Department of Civil and Environmental Engineering, University of Hawaii at Manoa, Honolulu, HI 96822, United States
| | - Chittaranjan Ray
- Water Resources Research Center, University of Hawaii at Manoa, Honolulu, HI 96822, United States; Department of Civil and Environmental Engineering, University of Hawaii at Manoa, Honolulu, HI 96822, United States.
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Wong F, Wania F. Visualising the equilibrium distribution and mobility of organic contaminants in soil using the chemical partitioning space. ACTA ACUST UNITED AC 2011; 13:1569-78. [DOI: 10.1039/c1em10109a] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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