Each worker wears this device and the quantity found on the filter is estimated. There are chances of some errors to occur during the estimation procedure because: a size of the aerosol is important for its passage through airways up to lungs, b variation in respiratory rate and, c variation in depth of respiration at different occasions in different individuals (Spear 2006). Colinesterase, fund in red blood corpuscles or serum, i used as an important marker of organ phosphorus compound poisoning. Tis enzyme is used in routine monitoring as in acute exposure to these poisonous compounds.
Tere are some limitation to this method and should be kept in mind while interpreting the results, lke: a there may be variation in the same the individual at different times, b variation between different individuals, c the assay used for the measurement purpose may also give different results as compared to other assay used (Spear 2006). Pople who load/mix parathion, pople who spray parathion onto crops and people who harvest crops treated with parathion are all potentially exposed to the each of these three groups of potentially exposed people, dscribe the form(s) of the compound they are likely to be exposed to.
(or example, dlute or concentrated? Prathion or paraoxon? Lquid, arosol or residues? )For each group, nme one potential step they could take to prevent exposure and/or minimize continued exposure once it has occurred. Drmal route is important because skin may come in contact with any pesticide in all its forms including solid, lquid or vapors but for the inhalational route to be utilized the chemical has be the shape of vapors.
Gstrointestinal route may also be utilized when there is unintentional ingestion of the chemical through sold or liquid. Parathion is more toxic and concentrated before it vaporizes so when a worker handles parathion his/her skin is exposed to all its forms. As far as parathion is concerned, i gets diluted in the air and its effects are decreased if it inhaled. Mreover, Sear et al showed that dermal route was important as far as the residues of parathion were concerned as these were on the of the participants while there was no difference in the dose to which a worker was exposed whether he/she applied mask or not (Spear 2006).
Eplain how researchers could conclude, bsed. ..
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