o Large container of pesticide monocrotophos was stored in the school 12g

O large container of pesticide monocrotophos was

This preview shows page 27 - 29 out of 73 pages.

o Large container of pesticide, monocrotophos – was stored in the school. § 1.2g potentially lethal dose § Can be used safely as long as you have proper protective equipment o The principal’s husband, apparently had some kind of farm where they were using the chemicals o Not intended to be put into food in such concentrations Evidence of occupational exposure to pesticides in the workplace o Pesticide users may bring some of the chemicals back into their homes because they’re not wearing proper protective equipment, pesticide settles and they bring it back home to their kids o Many of the pesticide workers in south US are migrants who are not trained in using such pesticides o Amounts are usually such that the average person would never be exposed to
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Shalom Chianu Notes. Incidence of Parkinson’s disease higher in agricultural areas – may have connection to specific pesticides/insecticides o Paraquat – a pesticide, has chemical similarity to substance that caused very unusual problem back in 1980s among drug users in California. § Young drug users showed up in emergency rooms in hospitals virtually paralysed like suffering from the end stages of Parkinson’s disease § There was a contaminant that was sold on the street as China White § Side product included in China White destroyed some of the cells in the substantia nigra part of the brain – cells that produce dopamine. Shortage of dopamine cause Parkinson’s disease § Paraquat has chemical similarity to that contaminant – started research into possible pesticide Parkinson’s contaminants o Rotenone – natural substance extracted from root of derris plant, has also been linked to Parkinson’s disease because it shares chemical similarity to paraquat and china white and can affect the brain o A lot of research in area to see connection § Literature – all kinds of articles about the associations but can never prove cost and effects The use of professional pest control services at any time from 1 year before birth to 3 years after was associated with a significantly increased risk of childhood anemia o No risk associated with outdoor pesticides including herbicides – corresponds to indoor spraying § Need to be aware and careful of indoor spraying Subtle Chronic Effects o Sometimes acute exposure in an occupational setting can be recognized relatively easy as people get sick very soon after exposure § Short term lasting for 1-3 months o More concerned about long-term effect of pesticides – eating food that has trace amounts – what are the long-term consequences? § Chronic health issues – long duration effects lasting 6 months or longer o Some of these pesticides can disrupt hormones – endocrine disrupting chemicals o Atrazine – very widely used week killer, for example, has been shown to have effect on tadpoles development § Makes you wonder if there’s such an effect on humans o New tests reveal many pesticides have an effect on male hormones –
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