978-0131190825 Chapter 5

subject Type Homework Help
subject Pages 2
subject Words 352
subject Authors Jerry A. Nathanson M.S. P.E.

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CHAPTER 5 WATER POLLUTION
Review Questions Page References
(1) 123 (8) 128 (14) 133
(2) 124 (9) 129 (15) 134
(3) 124 (10) 130 (16) 135
(4) 125 (11) 130 (17) 135
(5) 126 (12) 132 (18) 136
(6) 126 (13) 132 (19) 138
(7) 127 (20) 138
(21) 138
(22) 140
(23) 140
(24) 141
(25) 142
(26) 143
(27) www.epa.gov/iwi
(28) www.epa.gov/owow/iakes/lakes.htm/
(29) www.epa.gov/owow/estuaries/about1.html
(30) www.epa.gov/owowwtr1
(31) www.envirosources.com
Solutions to Practice Problems
1. cd = (csQs + cWQW)/(Qs + QW) (Equation 5-1)
3. Di = 11 - 8 = 3 mg/L; with Equation 5-2, find critical time as follows:
4. BOD5 = (6 x 16 + 28 x 4)/(16 + 4) = 10.4 mg/L (Equation 5-1)
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4. (continued)
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