How is human health affected by ddt exposure

Reference no: EM133192004 , Length: Word count: 5 Pages

Assignment Part 1: On the 3 main sources of imported water that Los Angeles relies on to serve its residents, please choose one of these sources of water and discuss the following:

A. Which source of imported water did you select and during what years was the facility constructed?

B. What are some issues that this source of water created....any positive/negative outcomes from constructing the facility? Anything that reduces the amount of water that can be delivered?

C. If you were put in charge of your chosen facility, what would you do to secure future water deliveries from this source of water? In other words, what would you do to help ensure that future deliveries would not be threatened by droughts or any other possible events?

D. Choose one thing you would do as Mayor of Los Angeles to reduce the amount of water Angelinos use at home - your one thing should be what you think would make the biggest impact in terms of reducing the amount of water the City has to deliver to single family homes (do not worry about apartments/condos/townhomes).

Note: The answer all in all for this part should be approximately a page. To answer this question, look at the document entitled "Water Lecture." Please as much as possible, don't use any outside sources, but if you feel the need to, please cite it in-text and list it under "References" at the very last page of the paper.

Assignment Part 2: Please read the following news article:

News: How a shocking environmental disaster was uncovered off the California coast after 70 years

After reading the article, please answer the following questions:

A. What is DDT, when was it manufactured, and what were its main uses?

B. How do most exposures in humans occur?

C. How is human health affected by DDT exposure?

D. If you were tasked with cleaning up the DDT contamination off of the California coast, what are some methods you would use to clean it up?

E. Do you think the $140 million settlement that Montrose Chemical Company (and the other companies involved) paid was enough? Explain why you think yes or no.

Note: The answer all in all for this part should be approximately a page. To answer this question, refer to the article above and you can also use the document entitled "Solid and Hazardous Wastes." Please as much as possible, don't use any outside sources, but if you feel the need to, please cite it in-text and list it under "References" at the very last page of the paper.

Assignment Part 3: Please discuss the steps that make-up conventional wastewater treatment in the United States. For example, what treatment steps does wastewater take at a Los Angeles or City of San Francisco wastewater treatment plant? Make sure you answer the following:

A) What are the key treatment steps/processes?

B) What happens to the solid material left over at the end of the treatment process?

C) What are some possible uses of the treated wastewater?

D) Why is the public always told to only put the "Three Ps" in the toilet (poop, pee, and (toilet) paper)?

E) Where are aerobic bacteria used and where are anaerobic bacteria used in the treatment process?

Reference no: EM133192004

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