water treatment homework

water treatment homework - CE 3230 Water Treatment Homework...

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CE 3230 Water Treatment Homework 1. Define the meaning of the term pathogen and give the names of pathogen groups. What determines the kinds and concentrations of pathogens in wastewater? Define the meaning of fecal-oral route in the transmission of diseases. 2. Historically in the United States, the prevalent infectious diseases have been typhoid, cholera, and dysentery. How have these diseases been virtually eliminated? Currently, the prevalent infectious diseases are giardiasis and cryptosporidiois , causing diarrhea that can be life-threatening for persons with immunodeficiency syndrome. What actions are being taken to reduce the probability of waterborne transmission of these diseases? 3. Why can coliform bacteria be used as indicators of drinking water quality? Discuss the limitations of coliforms as an indicator. 4. What are the significant differences between Escherichia coli and Escherichia coli O157:H7?
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This note was uploaded on 04/28/2008 for the course CIVL 3230 taught by Professor Barnett during the Spring '08 term at Auburn University.

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water treatment homework - CE 3230 Water Treatment Homework...

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