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Distribution and Variation of some Pesticides in Ground and Rural Tap Water in Ausiem City, Giza, Egypt
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Distribution and Variation of some Pesticides in Ground and Rural Tap Water in Ausiem City, Giza, Egypt
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Journal Article
Distribution and Variation of some Pesticides in Ground and Rural Tap Water in Ausiem City, Giza, Egypt
2021
Overview
This study was conducted to determine the distribution of some organochlorine (OC) and organophosphorus (OP) pesticides in ground and rural tap water of Ausiem city. For ground water, the monitoring has focused on ground water near agricultural fields (ten locations), and rural tap water (ten locations). Twenty water samples were analyzed for a total of seventeen pesticide compounds, aldrin, dieldrin, α, β and γ-hexachlorocyclohexane (HCH), dichlorodiphenyltrichloroethane (DDTs) heptachlor, heptachlor epoxide as OC and malathion, parathion, dimethoate and tolclofos-methyl as OP pesticides. The DDT and its related compounds (DDD, DDE) were detected in most water samples. For ground and tap water O,P DDT showed a high concentration among DDT's and organochlorine pesticides with concentration of 5.36 μg/L at site 7. The obtained data showed that the total OP residues were lower than OC pesticides in both types of investigated waters. In most cases, the total OC and OP residues were extremely higher than most polluted water from other sources in the world. Some of pesticide residues were generally low, and some were not detectable although high concentrations also occurred, for example, total of 14.84 and 12.86 μg/L (as OC and OP) of ground water and rural tap water, respectively. The results show that both local ground water near farms and rural tap water is vulnerable for contamination of OC and OP pesticides and need further monitoring.
Publisher
المركز القومي للبحوث الاجتماعية والجنائية
Subject
