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  • Title: Monitoring of organophosphorus pesticide residues in vegetables of agricultural area in Venezuela.
    Author: Quintero A, Caselles MJ, Ettiene G, de Colmenares NG, Ramírez T, Medina D.
    Journal: Bull Environ Contam Toxicol; 2008 Oct; 81(4):393-6. PubMed ID: 18766290.
    Abstract:
    The purpose of this study was to determine the residues of seven pesticides organophosphorus (methamidophos, diazinon, chlorpyriphos, parathion-methyl, dimethoate, malathion and tetrachlorvinphos), in some vegetables like: potato, lettuce, tomato, onion, red pepper and green onion cultivated in José María Vargas County in Táchira State, Venezuela. The research permitted to detect that 48.0% of the samples were contaminated with some of the pesticides studied. Methamidophos was founded in the vegetables in the rank of 6.3%-65.5%. The results show that 16.7% of the samples tested have residues higher than the maximum limits permitted.
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