UFC 3-240-13FN
25 May 2005
Table B-4. Factor "C" For Calcium Hardness (as ppm CaCO3)
200 to 990 ppm
ppm
ppm, Units
Hundreds
0
10
20
30
40
50
60
70
80
90
200
--
1.92
1.94
1.96
1.98
2.00
2.02
2.03
2.05
2.06
300
2.08
2.09
2.11
2.12
2.13
2.15
2.16
2.17
2.18
2.19
400
2.20
2.21
2.23
2.25
2.25
2.26
2.26
2.27
2.28
2.29
500
2.30
2.31
2.32
2.33
2.34
2.34
2.35
2.36
2.37
2.37
600
2.38
2.39
2.39
2.40
2.41
2.42
2.42
2.43
2.43
2.44
700
2.45
2.45
2.45
2.47
2.47
2.48
2.48
2.49
2.49
2.50
800
2.51
2.51
2.52
2.52
2.53
2.53
2.54
2.54
2.55
2.55
900
2.56
2.56
2.56
2.57
2.57
2.58
2.58
2.59
2.59
2.60
Use Table B-3 to find values of "C" for 3 to 209 ppm calcium hardness, and Table B-4
214
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