Case Study Questions And Answers 100%
Verified Exam Solution 2022/2023
What has happened in Pitcher, Oklahoma, to make it the largest Superfund site in
the United States? - ANS-abundant resources lead and zinc ore m
...
Case Study Questions And Answers 100%
Verified Exam Solution 2022/2023
What has happened in Pitcher, Oklahoma, to make it the largest Superfund site in
the United States? - ANS-abundant resources lead and zinc ore mined for
ammunition world war II, hazardous chemicals produced chat piles, put in asphalt
roads, and filler between
What are chat piles and how do they affect Tar Creek? - ANS-mining waste, high
levels heavy metals (Cd. Cu, Ni, Pb, Zn), rainwater into chat piles and filter
chemicals into creek, 5% flow rate chat piles, 90% Cd, 30% Zn, 50% Pb, from chat
piles
The people in the town of Pitcher have experienced high exposure to the lead in the
mine tailing. How does exposure to lead lead to neurological problems? - ANSappear mimic function Ca serves in body, Ca only enter by binding specific protein
receptors in cells, Pb use name pathway get in cells and interfere nerve impulses
Why were the children the primary targets for Howard Hu's study of exposure to
metal from abandoned zinc and lead mines? - ANS-teeth of school aged children
showed high levels lead, children specifically vulnerable due to developing brain
such as loss of IQ, speech-language-behavior problems
Hu's study also looks at the effects of multiple mixes of toxic metal exposure on
people. What are the problems of doing exposure and risk assessments when more
than one toxin is involved at the same time? - ANS-very difficult isolate variable
causing any one problem if multiple variables involved, we know isolated effects
each one, mixtures interact ways unforeseen (sometimes much worse effects and
other times cancel each other out)
Robin Whyatt is researching links to birth defects from indoor pesticide use in New
York City. What does she believe to be a common misconception about pesticides? - CONTINUES...
[Show More]