TABLE 1.
Composition of groundwatera
| Constituent | Concn (mM) |
|---|---|
| NaCl | 0.07 |
| MgCl2 | 0.07 |
| MgSO4 | 0.07 |
| CaSO4 | 0.045 |
| K2SO4 | 0.02 |
| (NH4)2NO3 | 0.02 |
| KH2PO4 | 0.01 |
a
The pH was 7.0.
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