| Charge Passed (coulombs) | Chloride Permeability | Typical of |
| > 4000 | High | High water/cement ratio (> 0.6), PCC |
| 2000 - 4000 | Moderate | Moderate water/cement ratio (0.4 to 0.5), PCC |
| 1000 - 2000 | Low | Low water/cement ratio (< 0.4), PCC |
| 100 - 1000 | Very Low | Latex-modified concrete, silica-fume concrete |
| < 100 | Negligible | Polymer impregnated concrete, Polymer concrete |