Skip to content
Back to outputs

Calibration and application of the Chemcatcher® passive sampler for monitoring acidic herbicides in the River Exe, UK catchment

Research output: Contribution to journalArticle

Standard

Calibration and application of the Chemcatcher® passive sampler for monitoring acidic herbicides in the River Exe, UK catchment. / Townsend, Ian; Jones, Lewis; Broom, Martin; Gravell, Anthony; Schumacher, Melanie; Fones, Gary R.; Greenwood, Richard; Mills, Graham A.

In: Environmental Science and Pollution Research, 25.06.2018.

Research output: Contribution to journalArticle

Harvard

APA

Vancouver

Townsend I, Jones L, Broom M, Gravell A, Schumacher M, Fones GR et al. Calibration and application of the Chemcatcher® passive sampler for monitoring acidic herbicides in the River Exe, UK catchment. Environmental Science and Pollution Research. 2018 Jun 25. https://doi.org/10.1007/s11356-018-2556-3

Author

Townsend, Ian ; Jones, Lewis ; Broom, Martin ; Gravell, Anthony ; Schumacher, Melanie ; Fones, Gary R. ; Greenwood, Richard ; Mills, Graham A. / Calibration and application of the Chemcatcher® passive sampler for monitoring acidic herbicides in the River Exe, UK catchment. In: Environmental Science and Pollution Research. 2018.

Bibtex

@article{e22ef8fe5d5046e6aacc1ece8bade88b,
title = "Calibration and application of the Chemcatcher{\circledR} passive sampler for monitoring acidic herbicides in the River Exe, UK catchment",
abstract = "Acidic herbicides are used to control broad-leaved weeds. They are stable, water-soluble, and with low binding to soil are found frequently in surface waters, often at concentrations above the EU Drinking Water Directive limit of 0.10 μg L−1. This presents a problem when such waters are abstracted for potable supplies. Understanding their sources, transport and fate in river catchments is important. We developed a new Chemcatcher{\circledR} passive sampler, comprising a 3M Empore™ anion-exchange disk overlaid with a polyethersulphone membrane, for monitoring acidic herbicides (2,4-D, dicamba, dichlorprop, fluroxypyr, MCPA, MCPB, mecoprop, tricolpyr). Sampler uptake rates (R s  = 0.044–0.113 L day−1) were measured in the laboratory. Two field trials using the Chemcatcher{\circledR} were undertaken in the River Exe catchment, UK. Time-weighted average (TWA) concentrations of the herbicides obtained using the Chemcatcher{\circledR} were compared with concentrations measured in spot samples of water. The two techniques gave complimentary monitoring data, with the samplers being able to measure stochastic inputs of MCPA and mecoprop occurring in field trial 1. Chemcatcher{\circledR} detected a large input of MCPA not found by spot sampling during field trial 2. Devices also detected other pesticides and pharmaceuticals with acidic properties. Information obtained using the Chemcatcher{\circledR} can be used to develop improved risk assessments and catchment management plans and to assess the effectiveness of any mitigation and remediation strategies.",
author = "Ian Townsend and Lewis Jones and Martin Broom and Anthony Gravell and Melanie Schumacher and Fones, {Gary R.} and Richard Greenwood and Mills, {Graham A.}",
year = "2018",
month = "6",
day = "25",
doi = "10.1007/s11356-018-2556-3",
language = "English",
journal = "Environmental Science and Pollution Research",
issn = "0944-1344",
publisher = "Springer",

}

RIS

TY - JOUR

T1 - Calibration and application of the Chemcatcher® passive sampler for monitoring acidic herbicides in the River Exe, UK catchment

AU - Townsend, Ian

AU - Jones, Lewis

AU - Broom, Martin

AU - Gravell, Anthony

AU - Schumacher, Melanie

AU - Fones, Gary R.

AU - Greenwood, Richard

AU - Mills, Graham A.

PY - 2018/6/25

Y1 - 2018/6/25

N2 - Acidic herbicides are used to control broad-leaved weeds. They are stable, water-soluble, and with low binding to soil are found frequently in surface waters, often at concentrations above the EU Drinking Water Directive limit of 0.10 μg L−1. This presents a problem when such waters are abstracted for potable supplies. Understanding their sources, transport and fate in river catchments is important. We developed a new Chemcatcher® passive sampler, comprising a 3M Empore™ anion-exchange disk overlaid with a polyethersulphone membrane, for monitoring acidic herbicides (2,4-D, dicamba, dichlorprop, fluroxypyr, MCPA, MCPB, mecoprop, tricolpyr). Sampler uptake rates (R s  = 0.044–0.113 L day−1) were measured in the laboratory. Two field trials using the Chemcatcher® were undertaken in the River Exe catchment, UK. Time-weighted average (TWA) concentrations of the herbicides obtained using the Chemcatcher® were compared with concentrations measured in spot samples of water. The two techniques gave complimentary monitoring data, with the samplers being able to measure stochastic inputs of MCPA and mecoprop occurring in field trial 1. Chemcatcher® detected a large input of MCPA not found by spot sampling during field trial 2. Devices also detected other pesticides and pharmaceuticals with acidic properties. Information obtained using the Chemcatcher® can be used to develop improved risk assessments and catchment management plans and to assess the effectiveness of any mitigation and remediation strategies.

AB - Acidic herbicides are used to control broad-leaved weeds. They are stable, water-soluble, and with low binding to soil are found frequently in surface waters, often at concentrations above the EU Drinking Water Directive limit of 0.10 μg L−1. This presents a problem when such waters are abstracted for potable supplies. Understanding their sources, transport and fate in river catchments is important. We developed a new Chemcatcher® passive sampler, comprising a 3M Empore™ anion-exchange disk overlaid with a polyethersulphone membrane, for monitoring acidic herbicides (2,4-D, dicamba, dichlorprop, fluroxypyr, MCPA, MCPB, mecoprop, tricolpyr). Sampler uptake rates (R s  = 0.044–0.113 L day−1) were measured in the laboratory. Two field trials using the Chemcatcher® were undertaken in the River Exe catchment, UK. Time-weighted average (TWA) concentrations of the herbicides obtained using the Chemcatcher® were compared with concentrations measured in spot samples of water. The two techniques gave complimentary monitoring data, with the samplers being able to measure stochastic inputs of MCPA and mecoprop occurring in field trial 1. Chemcatcher® detected a large input of MCPA not found by spot sampling during field trial 2. Devices also detected other pesticides and pharmaceuticals with acidic properties. Information obtained using the Chemcatcher® can be used to develop improved risk assessments and catchment management plans and to assess the effectiveness of any mitigation and remediation strategies.

U2 - 10.1007/s11356-018-2556-3

DO - 10.1007/s11356-018-2556-3

M3 - Article

JO - Environmental Science and Pollution Research

JF - Environmental Science and Pollution Research

SN - 0944-1344

ER -

ID: 10744819