Reference no: EM133191534 , Length: Word count: 3 Pages
Assignment Problem: Drinking Water and Human Health
Question 1: Argue in support of each of the following statements:
a. Pharmaceuticals are simply NOT an important contaminant in drinking water because no standards have been established by the EPA.
b. PPCPs are a serious problem in drinking water supplies that may adversely impact human health.
c. Homeowner disposal of PPCPs should NOT be regulated by the EPA.
Question 2: In class we listed several PPCPs that have actually been found in public water systems. I would like you to select one of the PPCPs and tell me the following: (1) what is the PPCP used for? (2) What public water systems has it been found in? (3) how could this PPCP pose a problem to human health? And (4) how could this PPCP pose problems for ecosystems?
Question 3: What advice would you give a homeowner that did not like the quality of their home tap water? This homeowner lives in a community of 70,000 people. The homeowner further states they had their water tested and it contained very high levels of dissolved iron. In addition the water had a metallic taste and smelled like rotten eggs. What home treatment water advice would you provide? Discuss.
Question 4: If a person who had just recently purchased a home in a rural area with a shallow well as their drinking water source came to you requesting advice about testing their water, what guidance would you give him or her? Discuss.
Question 5: What are the similarities and differences between water that has been distilled and water that has been deionized using a RO device?
Question 6: How do you protect the quality of water in a private well that is 75 feet deep located on a farm?
Question 7: Based on the information we covered in this class about drinking water contaminants, provide me with the three contaminants (in order of priority) you would recommend testing for in each of the following situations. Defend your answers. (18 points)
a. Water from a rural well with a depth of 200 feet
b. Water from a rural hand-dug well, 12 feet deep
c. Water from the tap in a community of 500,000 people