Lead Investigation. Vanessa Corea Samantha Detres Junixer Diaz Period 5. Problem Statement:. How are people exposed to lead and how does it affect people? How is the Hernandez family contaminated and why?. Hypothesis:.
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Lead is a highly toxic metal that produces a range of adverse health effects, particularly in young children.
Different types of exposures of lead: through deteriorating paint and dust, air, drinking water, food, and contaminated soil.
two-thirds of homes built before 1940, and one-half of homes built from 1940 to 1960 contain lead-based paint.
Most paint made after 1978 contains no intentionally added lead, since it was banned from use on the interior and exterior of homes.Lead Information:
Health effect: adverse health effects, particularly in young children.
affect a child’s growth
cause learning and behavioral problems.
Exposure to lead is estimated by measuring levels in the blood 10 microgram per deciliter.
In adults lead:
increase blood pressure
muscle and joint pain
mood changes.Symptoms caused by Lead
Lead is absorbed into the body through the lungs or the mouth and is a cumulative poison, being stored in the bone tissue.
How Can I Reduce Lead Exposure? mouth and is a cumulative poison, being stored in the bone tissue.
If you have a house from the 1940s prevent removing the paint off the walls.
Keep area clean and dust free
Wash toys, stuffed animals, and bedding regularly.
Prevent ingestion of sand, dirt, or paint chips.
Grass areas are safe for children at play.
Make sure children remove and wipe their shoes and wash their hands whenever they come inside after playing outdoors
test solder or plumbing fixtures in your home and faucet water.
Do not store food or drink in containers made from crystal.
What can be done?
The only way to diagnose lead poisoning is with a blood test.
A blood lead concentration of 15-19 mg/dl merits a home visit, inspection, and educational intervention. Someone with a blood lead concentration of 20-44 mg/dl must undergo environmental remediation, and medical evaluation. A measurement of 45-69 mg/dl requires the patient to undergo chelation treatment. A blood lead concentration of 70 + mg/dl constitutes a medical emergency .
Medical treatment is only given in severe cases of lead poisoning.Conclusion: