Malathion Case Study

The use of malathion is concerning to some members of the community. Below you will find a full risk assessment on the use of malathion for controlling mosquitos.
Step 1. Identify the types of adverse effects caused by the malathion.
(Human Risk) In adults, malathion has been found to have very low levels of toxicity when ingested, inhaled, or applied dermally. 2 In the cases of extremely high doses, malathion has been found to cause excessive perspiration, constructed pupils, salivation, abdominal cramping, vomiting, diarrhea, nausea, chest tightness and difficulty breathing. In children, the likelihood of the above symptoms from extremely high doses of malathion are lessened, but children are more likely to experience muscle weakness, lethargy,

Step 3. 3 Measure the magnitude and frequency of the exposure frequency and duration in the environment.
A dose of 0.14mg a day is approved for an acute population dose by the EPA. This is adjusted to 0.07 mg a day for a chronic population dose. This is how much malathion a person can be exposed to every day for life with no adverse health risks (Malathion).
Step 4. Risk Characterization Many studies have been done that show various adverse health reactions in both humans, animals, and plants from low to high levels exposure to malathion. However, these studies do not directly link malathion to toxicity. Malathion seems to have a more adverse effect on the environment than it does on humans (Malathion). All Risk Assessment Steps (EPA).
My Recommendation My recommendation is NOT to use malathion to control mosquitos. Although the risk to humans is low to none with controlled usage, the impact on the environment is too great. Malathion has been shown to be highly toxic to bees (Malation). Bees are a vital part of our ecosystem. I do not think the benefits of use outweigh the risks posed to the environment, especially for our plants, animals, and