Parameter | Units | Source with high specific DBP yield or extensive distribution system | Source with low specific DBP yield |
Organic color | TCUa | 5 - 10 | <15 |
UV absorbance (at 254 nm, UV254) | cm−1 | 0.02 - 0.04 | 0.02 - 0.07 |
UV transmittance | Percent | 90 - 95 | 85 - 95 |
CODb | mg/L O2c | <5 | <5 |
DOCd―for DBP control | mg/L Ce | <2 | <4 |
DOCd―for biological stability | mg/L Ce | <1.8 | <1.8 |