Assessment of Organochlorine (OC) and Organophosphorus (OP) pesticide residues in Groundwater near Agricultural activity areas of East Godavari District, Andhra Pradesh State, India

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Krishnakartik M, Machiraju PVS, Satyaveni S

Abstract

In this research study, thirty-eight (38) organochlorine (OC) and twenty (20) organophosphorus (OP) pesticides in groundwater samples of 3 research study areas near agricultural areas of konaseema region, East Godavari district, Andhra Pradesh state, India were investigated as per acceptable analytical methods. Our research findings confirmed the presence of the 38 OCP’s and 20 OPP’s of different concentrations in groundwater. Gas Chromatography-Mass Spectrometry (GC-MS) was employed to measure the pesticide residual concentrations in groundwater samples. The mean concentration level of the OCP’s and OPP’s in groundwater samples were between ND-1300 µg/l and 30-1080 µg/l respectively in research area-1. The concentration level of OCP’s and OPP’s in water samples were between ND-1280 µg/l and ND-970 µg/l respectively in research area-2. In research area- 3, the levels of OCP’s and OPP’s were between ND-1250 µg/l and ND- 1150 µg/l respectively. A higher concentration of OC pesticide residues were detected in research area -1 while higher concentrations of OPP’s were detected in research area-3.

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