Chlorpyrifos was the commonest type (26%) of OP compound consumed followed by dichlorvos (24%), quinalphos (14%), methyl parathion
(8%) and others (Table 2).
, an organophosphate alternative to DDT first suggested by EPA, had to be removed from use because of exposure deaths in farm workers that were handling the chemical.
The International Agency for Research on Cancer (IARC) recently classified parathion
as "possibly carcinogenic to humans" (Group 2B) and malathion as "probably carcinogenic to humans" (Group 2A) based, in part, on induction of mammary gland adenocarcinomas in rats following subcutaneous injection (Guyton et al.
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The most frequently used phosphate esters are malathion, parathion
, phosmet, tetrachlorvinphos, azamethiphos, methyl parathion
, diazinon, azinphos methyl, and fenitrothion.
Induction of micronuclei in Chalcalburnus tarichi (Pallas, 1811) exposed to sub-lethal concentrations of methyl parathion
From the above it is performed the test with the selected chromatogram obtained error and graphical identification of pesticides (methyl parathion
, Chlorpyrifos, Phenthoate), corresponding to the output of the network according to the weights obtained in training
En resumen, se observa que el parathion
fue el compuesto con la mayor concentracion detectada (7,66 ppm) en todas las granjas, superando el limite maximo permitido por el Codex Alimentarias y la Union Europea para compuestos OF en visceras y carne porcina de 0,05 mg/Kg.
In one, the organophosphate insecticide methyl parathion
was applied illegally in indoor settings.
These xenobiotics are cited methyl parathion
(MPT) is most commonly used in Algeria .
calyciflorus by exposure to the pesticides carbaryl and methyl parathion
Therefore, current investigation proposes the development and validation of a simple and economical GC-FPD method for the simultaneous determination of diazinon, ethion, malathion, methyl parathion
and methyl pirimiphos (Figure 1) in bean samples from the southern region of the state of Minas Gerais, Brazil.