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Risk Of Malathion

Sentence outline

I. Hazard Identification
A. Malathion
1. Malathion affects how the brain and the nervous system work
2. However if treatment is administered quickly Malathion has no long-term affects
B. Malathion is an insecticide that is used primarily on crops to control insects
1. Malathion brakes down quickly when exposed to the elements like soil, water, and sunlight.
2. Normally people are not exposed to this insecticide unless they are in the vicinity of the area that is being sprayed.

II. Dose-Response
A. The EPA lists the safe doses of the insecticide Malathion to be 0.1 milligrams of Malathion per liter of drinking water
1. The oral Reference Dose (RfD) is based on the assumption that thresholds exist for certain toxic effects such as cellular necrosis.
2. An uncertainty factor of 10 was used to account for the range of sensitivity within the human population.
B. Unless inhaled or ingested, the pesticide does not have any long-term adverse effects on humans
1. No conclusive reports of adverse health affects after being exposed to minimal doses of Malathion
2. People who are not exposed directly to the pesticide should not be affected by it.

III. Exposure
A. Even after the application of Malathion, it degrades very rapidly.
1. There have been very few cases or reports of negative effects caused by this pesticide
2. people will be notified prior to the application.
B. We need to protect our selves as we do our community
1. Volunteers absorbed small amounts of malathion applied to their skin. Maximum malathion excretion occurred within
the first day
2. Malathion can move through soil, but it breaks down quickly.
IV. Risk Characterization
A. There is a very low probability of the population of Genericville being adversely affected by it
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