Entry of biocides and their transformation products into groundwater via urban stormwater infiltration systems

Hensen, Birte; Lange, Jens; Jackisch, Nicole; Zieger, Franziska; Olsson, Oliver; Kümmerer, Klaus

doi:10.1016/j.watres.2018.07.046

Cited by 56 publications

(67 citation statements)

References 32 publications

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“…In addition, this leaching is discontinuous (Bollmann et al 2016;Schoknecht et al 2016) and depends on rain events. Even though the main part remains in the material, biocides can still be released after numerous rain events (Burkhardt et al 2011): Riechel et al (2015) and Hensen et al (2018) showed the release of compounds even after more than 15 years. It is therefore difficult to estimate the quantities of biocides emitted from buildings during rainy weather.…”

Section: Release Of Biocides From Buildings During Rain Eventsmentioning

confidence: 99%

“…Indeed, biocides in building materials are exposed to environmental conditions and can be transformed over time by several processes, e.g. hydrolysis, biodegradation, direct and indirect photolysis (Fenner et al 2013) and, in most cases, transformation products (TPs) are formed as a result of incomplete degradation (Hensen et al 2018). TPs of some biocides are directly formed in the material itself by photodegradation, which is the most common degradation process (Burkhardt et al 2012;Breuer et al 2012;Luo et al 2013;Bollmann et al 2016Bollmann et al , 2017bHensen et al 2018).…”

Section: Mass Balancementioning

confidence: 99%

“…High-resolution mass spectrometry and nontargeted approaches are relevant tools for the identification of molecular structures of TPs (Bletsou et al 2015;Bollmann et al 2016Bollmann et al , 2017b. However, physico-chemical properties, ecotoxicity and environmental fate of TPs are often unknown (Hensen et al 2018), thus significantly limiting risk assessment of biocides from building materials.…”

Section: Mass Balancementioning

confidence: 99%

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Biocide emissions from building materials during wet weather: identification of substances, mechanism of release and transfer to the aquatic environment

Paijens

Bressy

Frère

et al. 2019

Environ Sci Pollut Res

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Biocides are added to or applied on building materials to prevent microorganisms from growing on their surface or to treat them. They are leached into building runoff and contribute to diffuse contamination of receiving waters. This review aimed at summarizing the current state of knowledge concerning the impact of biocides from buildings on the aquatic environment. The objectives were (i) to assess the key parameters influencing the leaching of biocides and to quantify their emission from buildings; (ii) to determine the different pathways from urban sources into receiving waters; and (iii) to assess the associated environmental risk. Based on consumption data and leaching studies, a list of substances to monitor in receiving water was established. Literature review of their concentrations in the urban water cycle showed evidences of contamination and risk for aquatic life, which should put them into consideration for inclusion to European or international monitoring programs. However, some biocide concentration data in urban and receiving waters is still missing to fully assess their environmental risk, especially for isothiazolinones, iodopropynyl carbamate, zinc pyrithione and quaternary ammonium compounds, and little is known about their transformation products. Although some models supported by actual data were developed to extrapolate emissions on larger scales (watershed or city scales), they are not sufficient to prioritize the pathways of biocides from urban sources into receiving waters during both dry and wet weathers. Our review highlights the need to reduce emissions and limit their transfer into rivers, and reports several solutions to address these issues.

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Section: Release Of Biocides From Buildings During Rain Eventsmentioning

confidence: 99%

Section: Mass Balancementioning

confidence: 99%

Section: Mass Balancementioning

confidence: 99%

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Biocide emissions from building materials during wet weather: identification of substances, mechanism of release and transfer to the aquatic environment

Paijens

Bressy

Frère

et al. 2019

Environ Sci Pollut Res

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“…Researchers develop models for façade leaching of biocides to find a suitable prediction method e.g. [2,4,5] and thus regulate the amount of biocides leaching from facades and other constructions to stormwater, wastewater and surface waters.…”

Section: Introductionmentioning

confidence: 99%

“…Other monitoring studies showed that biocides are leaching in substantial amounts to the environment and can be detected and assessed. Leaching behaviour of biocides and toxicity of leachates from renders have been assessed by researchers [3][4][5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Environmental aspect of maintenance of buildings with ETICS

Minarovičová

2019

MATEC Web Conf.

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Treatment of existing External Thermal Insulation Composite System (ETICS) is based mainly on chemical methods while environmental impacts are not clear. Currently used finishes of ETICS contain biocides as a prevention measure against biocorrosion. Uncontrolled leaching of biocides is not longer acceptable. Research on new technologies without uncontrolled release of biocides is developing, however, new system solutions are not known yet. Principles of sustainability must be regarded when applying the concept of ETICS maintenance.

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Urban stormwater characterization, control, and treatment

Rodak

Moore

David³

et al. 2019

Water Environment Research

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This review summarizes over 250 studies published in 2018 related to the characterization, control, and management of urban stormwater runoff. The review covers three broad themes: (a) quantity and quality characterization of stormwater, (b) control and treatment of stormwater runoff, and (c) implementation and assessment of watershed‐scale green stormwater infrastructure (GSI). Each section provides an overview of the 2018 literature, common themes, and future work. Several themes emerged from the 2018 literature including exploration of contaminants of emerging concern within stormwater systems, characterization and incorporation of vegetation‐driven dynamics in stormwater control measures, and the need for interdisciplinary perspectives on the implementation and assessment of GSI.Practitioner points Over 250 studies were published in 2018 related to the characterization, control, and treatment of stormwater. Studies cover general stormwater characteristics, control and treatment systems, and watershed‐scale assessments. Trends in 2018 include treatment trains, vegetation dynamics, and interdisciplinary perspectives.

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Entry of biocides and their transformation products into groundwater via urban stormwater infiltration systems

Cited by 56 publications

References 32 publications

Biocide emissions from building materials during wet weather: identification of substances, mechanism of release and transfer to the aquatic environment

Biocide emissions from building materials during wet weather: identification of substances, mechanism of release and transfer to the aquatic environment

Environmental aspect of maintenance of buildings with ETICS

Urban stormwater characterization, control, and treatment

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