Environmental monitoring and potential health risk assessment from Pymetrozine exposure among communities in typical rice-growing areas of China

Muyesaier Tudi, Li Wang*, Huada Daniel Ruan, Shuangmei Tong, Albert Atabila*, Ross Sadler, Qiming Jimmy Yu, Des Connell, Dung Tri Phung

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Pymetrozine is one of the most commonly used insecticides in China. This study was conducted to analyse Pymetrozine's potential exposures through various environmental routes beyond the treatment areas. The aim was to estimate the potential health risk for communities due to non-dietary exposures to Pymetrozine in soil and paddy water. Data on registration of pesticides in China, government reports, questionnaires, interviews and literature reviews as well as toxicological health investigations were evaluated to determine the hazard and dose-response characteristics of Pymetrozine. These were based on the US EPA exposure and human health risk assessment methods and exposure data from soil and paddy water samples collected between 10 and 20 m around the resident's location. The exposure doses from dermal contact through soil and paddy water were estimated. The potential cancer risk from the following exposure routes was evaluated: ingestion through soil; dermal contact exposure through soil; dermal contact exposure through paddy water. The potential total cancer risk for residents was estimated to be less than 1 × 10-6. These were relatively low and within the acceptable risk levels. The potential hazard quotient (HQ) from acute and lifetime exposure by dermal contact through paddy water and soil and acute and lifetime exposure by soil ingestion for residents was less than 1, indicating an acceptable risk level. This study suggested that there were negligible cancer risk and non-cancer risks based on ingestion and dermal contact routes of exposure to residents.

Original languageEnglish
Pages (from-to)59547-59560
Number of pages14
JournalEnvironmental Science and Pollution Research
Volume29
Issue number39
Early online date7 Apr 2022
DOIs
Publication statusPublished - Aug 2022

Keywords

  • AIR
  • COUNTRIES
  • Environmental exposure routes
  • FARMERS
  • Human health risk assessment
  • PESTICIDE
  • Pymetrozine
  • RESIDUES
  • Rice-growing communities
  • SAFETY
  • SOIL
  • WATER
  • YANGTZE-RIVER DELTA

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