Solutions Warm-up 14 09-103 F 06

Solutions Warm-up 14 09-103 F 06 - Solutions/Grading Key...

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Solutions/Grading Key Warm-up 14 (covering Sec. 5.10-5.12.2) DUE Tues. 10/31 09-103 Fall 2006 1. TRUE OR FALSE? The government allows MCLG values to be higher than MCL values. FALSE ( 1 ). MCL sets the legal limit for the concentration of a contaminant, so this value can be higher than MCLG, which is a limit goal that may not realistically be achieved. 2. Name two health problems that can result from regulated water contaminants. Any 2 of the following ( 2 total – 1 each ): 1. Interference with liver or kidney function 2. Effect on nervous system if ingested over long periods at levels above MCL 3. effects on developing fetus 4. effects on digestive system of infants 3. What is the name and formula of the antibacterial agent generated by various forms of chlorination in the water disinfection process? ( 2 total ) Hypochlorous acid (1) ; HOCl (1) 4. List 2 other alternatives to chlorination as a water disinfection method. . ( 2 total ) 1. use of ozone 2. UV radiation 5. If water has a “hardness” of 30 ppm, what does this specifically mean?
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This note was uploaded on 01/20/2012 for the course CHEMISTRY 103 taught by Professor Unknown during the Spring '08 term at Carnegie Mellon.

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Solutions Warm-up 14 09-103 F 06 - Solutions/Grading Key...

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