Occurrence, sources, and risk assessment of pyrethroid insecticides in surface water and tap water from Taihu Lake, China.
J Environ Manage
; 325(Pt B): 116565, 2023 Jan 01.
Article
em En
| MEDLINE
| ID: mdl-36279776
ABSTRACT
Pyrethroid insecticides are one of the most widely used insecticides globally, posing a severe threat to human health and the environment. In this study, we applied high-throughput organic analysis testing combined with high-volume solid-phase extraction (Hi-throat/Hi-volume SPE) to elucidate the occurrence of 11 pyrethroid insecticides in lake water (n = 37), tributary river water (n = 15), and tap water (n = 6) in the Taihu Lake Basin. Permethrin was found to be the major contributing pyrethroid insecticide (detection rate = 100%). The concentrations of pyrethroid insecticides from different lake regions were revealed in the following descending order southern > eastern > western > northern. The principal component analysis and multiple linear regression demonstrated that landscape maintenance, agricultural cultivation, and livestock breeding were the main sources of pyrethroid insecticides in the Taihu Lake surface water. Moreover, runoff input plays an important role in their accumulation, while the surrounding rivers contribute 2292 kg of pyrethroid insecticides to Taihu Lake annually. The risk assessment analysis demonstrated that pyrethroid insecticides pose a high risk to both the ecological environment and the surrounding human populations, thereby necessitating effective countermeasures. Furthermore, the pyrethroid insecticides in the Yangtze River Delta region have to be controlled. Overall, this is the first study focused on China that revealed the residue levels in water sources and tap water.
Palavras-chave
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Piretrinas
/
Poluentes Químicos da Água
/
Inseticidas
Limite:
Humans
País/Região como assunto:
Asia
Idioma:
En
Revista:
J Environ Manage
Ano de publicação:
2023
Tipo de documento:
Article
País de afiliação:
China