1. Describe the health effects of global climate change.?

4. 

Answer the following questions as they apply to water treatment:

a) In modern water treatment facilities, why is chlorine predominantly used for disinfecting water?    4 Points

b) Name some of the most common disinfection by-products that are produced when using chlorine as a disinfectant during water treatment?  2 Points

c) Discuss the toxic effects of these products.  4 Points

d) How are these disinfectant bi-products removed during water treatment? 1 Point

e) Knowing the problems associated with using chlorine, would you change the disinfection step in water treatment? Why or why not? 3 Points

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