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    Effects of Bioretention Soil Mixtures on Metal Speciation and Toxicity to Aquatic Communities

    Source: Journal of Sustainable Water in the Built Environment:;2025:;Volume ( 011 ):;issue: 001::page 04024011-1
    Author:
    Kelly DeGuzman
    ,
    Thorsten Knappenberger
    ,
    Yaniv Olshansky
    ,
    Eve Brantley
    ,
    Anand D. Jayakaran
    DOI: 10.1061/JSWBAY.SWENG-612
    Publisher: American Society of Civil Engineers
    Abstract: Heavy metal concentrations in stormwater runoff are regulated and monitored because these pollutants can be toxic to aquatic communities. When evaluating stormwater toxicity to aquatic organisms, a heavy metal’s bioavailability and speciation should be considered in addition to the total metal concentration. The influent and effluent of four bioretention soil mixtures (BSMs) from 10 storms were evaluated for speciation shifts of typical heavy metals and changes to stormwater toxicity to find out if any of the BSMs were more adept at decreasing pollutant bioavailability. Visual MINTEQ 3.1 was used for metal speciation, and the Windward Environmental Biotic Ligand Model (BLM) (v 3.41.2.45) was used to predict toxic concentrations of heavy metal species. No noticeable speciation shifts were noted within bioretention cell (BRC) effluent for cadmium, copper, lead, and zinc. A multiple-factor analysis (MFA) indicated that the four BSMs do not differ from one another in reducing the BLM-identified toxic limit (relative toxicity) of stormwater effluent for the BLM-selected aquatic organisms. BRCs are most effective at reducing the toxicity of stormwater when the stormwater contains high pollutant concentrations. BRCs may increase the effluent stormwater’s toxicity at low pollutant concentrations through Cu export from compost.
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      Effects of Bioretention Soil Mixtures on Metal Speciation and Toxicity to Aquatic Communities

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4304433
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    contributor authorKelly DeGuzman
    contributor authorThorsten Knappenberger
    contributor authorYaniv Olshansky
    contributor authorEve Brantley
    contributor authorAnand D. Jayakaran
    date accessioned2025-04-20T10:18:19Z
    date available2025-04-20T10:18:19Z
    date copyright10/8/2024 12:00:00 AM
    date issued2025
    identifier otherJSWBAY.SWENG-612.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4304433
    description abstractHeavy metal concentrations in stormwater runoff are regulated and monitored because these pollutants can be toxic to aquatic communities. When evaluating stormwater toxicity to aquatic organisms, a heavy metal’s bioavailability and speciation should be considered in addition to the total metal concentration. The influent and effluent of four bioretention soil mixtures (BSMs) from 10 storms were evaluated for speciation shifts of typical heavy metals and changes to stormwater toxicity to find out if any of the BSMs were more adept at decreasing pollutant bioavailability. Visual MINTEQ 3.1 was used for metal speciation, and the Windward Environmental Biotic Ligand Model (BLM) (v 3.41.2.45) was used to predict toxic concentrations of heavy metal species. No noticeable speciation shifts were noted within bioretention cell (BRC) effluent for cadmium, copper, lead, and zinc. A multiple-factor analysis (MFA) indicated that the four BSMs do not differ from one another in reducing the BLM-identified toxic limit (relative toxicity) of stormwater effluent for the BLM-selected aquatic organisms. BRCs are most effective at reducing the toxicity of stormwater when the stormwater contains high pollutant concentrations. BRCs may increase the effluent stormwater’s toxicity at low pollutant concentrations through Cu export from compost.
    publisherAmerican Society of Civil Engineers
    titleEffects of Bioretention Soil Mixtures on Metal Speciation and Toxicity to Aquatic Communities
    typeJournal Article
    journal volume11
    journal issue1
    journal titleJournal of Sustainable Water in the Built Environment
    identifier doi10.1061/JSWBAY.SWENG-612
    journal fristpage04024011-1
    journal lastpage04024011-9
    page9
    treeJournal of Sustainable Water in the Built Environment:;2025:;Volume ( 011 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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