Mr. Jones, age 37, is the CEO and owner of Jones Farm. He inherited the farm from his father and resides in the family home there with his wife Jane, age 35, and 4-year-old daughter, Angel. The Jones Farms is a large producer of various fruits, vegetables, and grains. Through trial and error, Mr. Jones, found a local company that produces an insecticide containing chlorpyrifos to be the most economical and effective insecticide for his crops. This insecticide has been used for almost 7 years at the farm for every crop produced. With easy access to this insecticide on the farm, it has been commonly used for pest control within their large home as well.
Being proud owners of the crops grown on the farm, the Jones family often take advantage of the fresh fruits and vegetables available for their own table. Their consumption of the farm’s harvest has increased since the COVID-19 pandemic has negatively impacted their finances. The Joneses and their toddler, Angel, enjoyed fresh fruit and vegetables from the farm throughout the day.
Mr. and Mrs. Jones have recently grown increasingly concerned about their daughter’s development. They have noticed that Angel seems to still be having a hard time with potty training despite being 4 years old. She has not picked up on basic colors and animals sounds that her preschool peers have almost mastered. Angel’s preschool teacher has mentioned that all children learn at their own pace but has voiced another concern with Mr. and Mrs. Jones regarding Angel’s motor skills development. While Mr. Jones appears relatively healthy, both he and Mrs. Jones frequently experience migraines which they attribute to the stress of everyday life and finances. Mrs. Jones often experiences nausea and even vomiting along with migraines.
After reading the case study and researching chlorpyrifos, respond to the following discussion points:
Identify how the family members could have been exposed to chlorpyrifos.
Identify the exposure pathway of chlorpyrifos.
What organ systems were affected by the chemical?
What observable acute and chronic effects could be produced from exposure to the chlorpyrifos? What effects were observed in the case study? How and why are the effects different in the individuals? (i.e., what individual profile factors can affect toxicity?)
How could exposure to the chemical be avoided?
The paper must have a minimum of two pages, not counting the title and reference pages. Utilize at least three credible references, one of which may be the textbook.
ANSWER
Exposure to Chlorpyrifos at Jones Farm: A Case Study
Introduction
Chlorpyrifos is an organophosphate insecticide that has been widely used in agriculture and for household pest control. It is a potent neurotoxin that can disrupt the normal functioning of the nervous system. Exposure to chlorpyrifos can occur through inhalation, ingestion, or dermal contact. Acute exposure to high levels of chlorpyrifos can lead to severe symptoms such as seizures, coma, and death. Chronic exposure to lower levels of chlorpyrifos can also cause a range of health problems, including neurological problems, developmental delays, and reproductive problems.
Case Study Analysis
In the case of the Jones family, there are several potential sources of exposure to chlorpyrifos. Mr. Jones uses chlorpyrifos on a regular basis to control pests on his crops. This means that he is likely to be exposed to the insecticide through inhalation, dermal contact, or ingestion. Mrs. Jones and Angel are also likely to be exposed to chlorpyrifos through ingestion, as they consume fruits and vegetables that have been treated with the insecticide.
The exposure pathway of chlorpyrifos is as follows:
Source: Chlorpyrifos is applied to crops on Jones Farm.
Transport: Chlorpyrifos can drift into the air or be transported on the surface of water.
Contact: Chlorpyrifos can contact people through inhalation, dermal contact, or ingestion.
Absorption: Chlorpyrifos can be absorbed into the body through the skin, lungs, or digestive system.
Distribution: Chlorpyrifos can be distributed throughout the body by the bloodstream.
Target: Chlorpyrifos targets the nervous system, where it disrupts the normal functioning of acetylcholinesterase, an enzyme that is essential for nerve transmission.
Effects: Chlorpyrifos can cause a range of acute and chronic health effects.
Organ Systems Affected
Chlorpyrifos is a neurotoxin, which means that it primarily affects the nervous system. However, it can also damage other organ systems, including the following:
Nervous system: Chlorpyrifos can cause a range of neurological problems, including seizures, tremors, muscle weakness, and cognitive impairment.
Developmental system: Exposure to chlorpyrifos during early development can cause developmental delays, including learning disabilities and behavioral problems.
Reproductive system: Chlorpyrifos can damage the reproductive system, leading to problems with fertility and pregnancy.
Acute and Chronic Effects
Acute exposure to high levels of chlorpyrifos can cause severe symptoms such as:
Seizures
Coma
Death
Chronic exposure to lower levels of chlorpyrifos can cause a range of health problems, including:
Neurological problems: Headaches, dizziness, memory problems, difficulty concentrating
Developmental delays: Learning disabilities, behavioral problems
Reproductive problems: Infertility, miscarriage, birth defects
In the case study, Angel has shown signs of developmental delays, including difficulty with potty training and motor skills development. Her parents have also experienced migraines, which could be a symptom of chlorpyrifos exposure. The effects of chlorpyrifos exposure can vary from person to person depending on several factors, including age, genetics, and health status. Children are more vulnerable to the effects of chlorpyrifos than adults because their nervous systems are still developing.
Preventing Exposure
There are a number of steps that can be taken to avoid exposure to chlorpyrifos:
Choose safer alternatives: There are a number of safer alternatives to chlorpyrifos available, such as organic pesticides and Integrated Pest Management (IPM) techniques.
Wash fruits and vegetables: Thoroughly washing fruits and vegetables can remove some of the pesticide residues.
Avoid contact with treated surfaces: Wear gloves and protective clothing when handling treated surfaces.
Ventilate homes: Open windows and doors to allow fresh air to circulate.
Test for chlorpyrifos: If you are concerned about chlorpyrifos exposure in your home or workplace, you can have your home or workplace tested for the pesticide.
Conclusion
Chlorpyrifos is a dangerous pesticide that can cause a range of health problems. By taking steps to avoid exposure to chlorpyrifos, we can protect ourselves and our families from harm.
References
Agency for Toxic Substances and Disease Registry (ATSDR). (2003). Toxicological profile for chlorpyrifos. Atlanta, GA: U.S. Department of Health and Human Services, Public Health Service.
Environmental Protection Agency (EPA). (2022). Chlorpyrifos. Retrieved from: https://www.epa.gov/ingredients-used-pesticide-products/chlorpyrifos
National Institute