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Life Sciences
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Lead Levels Calculations

Essay Instructions:

Using EPA's IEUBK (version 1.1 or 2.0), ANSWER These questions. Do not change the absorption coefficients, exchange rates or any other non-lead parameter. Make sure you reset to default values between problems. Also, feel free to include screenshots.
1. If the maternal blood lead level is 45 ug/dl, what is the probability that a newborn child will have a BLL above the CDC reference level of 5 ug/dl (Assume this was the only exposure)
2. At the Doe Run Lead Smelter in La Oroya, Peru, the 2006 ambient air levels were 2.08 ug/m3 and soil levels averaged 2500 ppm. Maternal levels were approximately 5 ug/dl but the water supply and dietary Pb input was essentially zero. Given these conditions:
What would the geometric mean be for the population at risk (0-84 months)?
What percent (probability) would have levels above the CDC guidance of 10?
3. Retrieve the reported lead in water levels for the current Newark water crisis. Assuming no other lead exposure, what is the increase in BLL for the various age groups?

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Lead Levels Calculations
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Lead Levels Calculations
1 If the maternal blood lead level is 45 ug/dl, what is the probability that a newborn child will have a BLL above the CDC reference level of 5 ug/dl (Assume this was the only exposure).
1 A maternal blood lead level of 45 ug/dL can result in a newborn child's BLL that is higher than the CDC reference level of 5 ug/dL. nHowever, the exact probability would depend on various factors, such as the child's specific exposure and individual factors, which are difficult to predict. It's important to note that lead exposure can have a wide range of health effects, and even low levels of exposure can be harmful to children's health. Therefore, it's essential to take measures to prevent and reduce lead exposure, especially in pregnant women and young children.
2 Using the EPA's IEUBK module 2.0 the probability of a newborn child having a BLL above the CDC reference level of 5 ug/dl is 85.865 percent. The estimation assumes that all other factors are constant and maternal blood was the only route of exposure.
2 At the Doe Run Lead Sm...
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