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HERO ID
8601455
Reference Type
Journal Article
Title
Environmental prioritization of pesticide in the Upper Citarum River Basin, Indonesia, using predicted and measured concentrations
Author(s)
Utami, RR; Geerling, GW; Salami, IRS; Notodarmojo, S; Ragas, AMJ
Year
2020
Is Peer Reviewed?
1
Journal
Science of the Total Environment
ISSN:
0048-9697
EISSN:
1879-1026
Publisher
Elsevier B.V.
Volume
738
Language
English
DOI
10.1016/j.scitotenv.2020.140130
Abstract
A novel screening method was developed to prioritize aquatic and human health risks of pesticides based on usage data, runoff modelling and effect prediction. An important asset of this new method is that it does not require measured concentration data, which are often unavailable or difficult to obtain in low- and middle-income countries like Indonesia. The method was applied to prioritize 31 agricultural pesticides used in the Upper Citarum River Basin in West Java, Indonesia. Ranking of pesticides based on predicted concentrations generally showed good agreement with ranking based on concentrations measured by passive sampling. The individual pesticide intake through the consumption of river water was predicted to cause negligible human health risks, but substantial aquatic risks (i.e. PEC/PNEC >1) were predicted for profenofos (5.2.E+01), propineb (3.6.E+01), chlorpyrifos (2.6.E+01), carbofuran (1.7.E+01), imidacloprid (9.4.E+00), methomyl (7.6.E+00) and chlorantraniliprole (3.6.E+00). In order to protect the aquatic environment, water managers are advised to take measures to reduce the use and runoff of these pesticides in the UCRB. The screening assessment can be further refined by performing additional effect studies for some pesticides, pesticide mixtures and validation of the predicted water concentrations by targeted measurements. © 2020 The Authors
Keywords
Measured environmental concentration (MEC); Pesticides; Predicted environmental concentration (PEC); Prioritization; Risk; Runoff
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