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. 1965 Jan-Feb;69A(1):39–43. doi: 10.6028/jres.069A.007

Table 4.

Values of γ′ in micromhos/cm γ′ = γ — γw

Chlorine eq. ppm temperature 0.02004 0.06014 0.1002 0.1503 0.3007 0.5009 1.0019 1.5031 2.5050
°F °C
41.0 5.0 1.71 5.12 8.48 12.67 25.36 41.94 83.45 124.19 204.73
68.0 20.0 2.51 7. 47 12.31 18.37 37.00 61.11 121.75 181.03 298.67
95.0 35.0 3.36 10.06 16.75 25.17 50.20 82.75 164.31 244.51 402.91
122.0 50.0 4.29 12.81 21.53 31.90 63.82 105.60 210.48 312.77 515.22
140.0 60.0 5.02 14.68 24.85 36. 69 73.41 121.66 242.38 360.23 592.81
167.5 75.3 6.03 18.00 29.93 45.14 89.47 147.56 291.43 433.77 710.71
194.9 90.5 7.05 21.19 35.2 53.07 105.16 173.27 342.30 508.88 836.15
221.7 105.4 8.08 24.26 40.3 60.75 120.59 198.21 391.47 582.48 957.23
249.1 120.6 9.15 27.12 45.27 68.08 135.99 223.59 440.66 654.13 1,072.33