|
WATER QUALITY
| Specific Conductance
micromhos/cm* |
Specific resistance
megohm-cm* |
As Ion |
Parts Per Million As
CaCO3 |
As NaCL** |
Gr./Gal. as CaCO3 |
| .055 |
18.240 |
none |
none |
none |
none |
| .056 |
18.000 |
.036 |
.028 |
.022 |
.002 |
| .063 |
16.000 |
.041 |
.031 |
.025 |
.002 |
| .071 |
14.000 |
.046 |
.036 |
.029 |
.002 |
| .083 |
12.000 |
.054 |
.042 |
.033 |
.002 |
| .100 |
10.000 |
.065 |
.050 |
.040 |
.003 |
| .125 |
8.000 |
.081 |
.063 |
.050 |
.004 |
| .167 |
6.000 |
.108 |
.083 |
.067 |
.005 |
| .250 |
4.000 |
.163 |
.125 |
.100 |
.007 |
| .500 |
2.000 |
.325 |
.250 |
.200 |
.015 |
| 1.000 |
1.000 |
.650 |
.500 |
.400 |
.029 |
| 1.250 |
.800 |
.813 |
.625 |
.500 |
.037 |
| 1.667 |
.600 |
1.083 |
.833 |
.667 |
.049 |
| 2.500 |
.400 |
1.625 |
1.250 |
1.000 |
.073 |
| 5.000 |
.200 |
3.250 |
2.500 |
2.000 |
.146 |
| 10.000 |
.100 |
6.500 |
5.000 |
4.000 |
.292 |
| 20.000 |
.050 |
13.000 |
10.000 |
8.000 |
.585 |
| 40.000 |
.025 |
26.000 |
20.000 |
16.000 |
1.170 |
| 80.000 |
.0125 |
52.000 |
40.000 |
32.000 |
2.340 |
| 158.730 |
.0063 |
103.175 |
79.635 |
63.492 |
4.641 |
| 312.500 |
.0032 |
203.125 |
156.250 |
125.000 |
9.137 |
| 625.000 |
.0016 |
406.250 |
312.500 |
250.000 |
18.273 |
| 1,250.000 |
.0008 |
812.500 |
625.000 |
500.000 |
36.550 |
| 2,500.000 |
.0004 |
1,625.000 |
1,250.000 |
1,000.000 |
73.099 |
| 5,000.000 |
.0002 |
3,250.000 |
2,500.000 |
2,000.000 |
146.199 |
| 10,000.000 |
.0001 |
6,500.000 |
5,000.000 |
4,000.000 |
292.398 |
* At 25°C
** At 25°C, given specific conductance
values included in this table.
| 1 psi = 2.307 head
feet of water |
Calcium (ppm) x
.04990 = Calcium (Meq/Liter) |
| 1 psi = .07031 kg/cm2 |
Magnesium (ppm) x
.08226 = Magnesium (Meq/Liter) |
|
Potassium (ppm) x
.02557 = Potassium (Meq/Liter) |
| 1 grain per gal. =
17.1 ppm (CaCO3) |
Sodium
(ppm) x .04350 = Sodium (Meq/Liter) |
|