SOLUTIONS TO EXERCISES, LESSON 1
1.
c
(para 1-2a)
2.
suspended; dissolved solids. (para 1-2k)
3.
b
(para 1-3b)
4.
infiltration-percolation. (para 1-5b)
5.
G
S
S
G
G
(para 1-8c)
6.
b
(para 1-7a)
7.
particles; mineral salts. (para 1-7b)(1))
8.
a
(para 1-7b(2))
9.
potability. (para 1-7a(3))
10.
surface water source. (para 1-8c)
11.
pretreatment. (para 1-10)
12.
c
para 1-10b)
13.
c
(paras 1-10c(2), 1-12c)
14.
a, c, e (para 1-12).
15.
Chemical mixing.
Flocculation.
Sedimentation.
Disinfection. (para 1-12e)
16.
Slow sand.
Rapid sand.
Pressure.
Diatomite. (paras 1-13, 1-14)
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