Table 2.
| Nitrosamines | Formula | US EPA MCL (ng/L) | Log Kow | Water Solubility mg∖L | US EPA Cancer classification. | Risk Level (ng/L) × 10−6 |
|---|---|---|---|---|---|---|
| NDMA | C2H6N2O | 7 | - 0.57 | 1,000,000 | B2 | 3.0 |
| NMEA | C3H8N2O | 20 | 0.04 | 300,00 | B2 | 1.5 |
| NDEA | C4H10N2O | 2 | 0.48 | 106,000 | B2 | 1.0 |
| NDPA | C6H14N2O | 50 | 1.36 | 13,000 | B2 | 5.0 |
| NDBA | C8H18N2O | 60 | 2.63 | 1,270 | B2 | 3.0 |
| NPYR | C4H8N2O | 200 | - 0.19 | 1,000,000 | 2B (IARC) | 15.0 |
| NPIP | C5H10N2O | na | 0.36 | 76,480 | B2 | 3.5 |
| NDPHA | C12H10N2O | 70,000 | 3.13 | 35 | B2 | na |
| NMOR | C4H8N2O2 | na | - 0.44 | 861,527.5 | 2B (IARC) | na |
IARC: International Agency for Research on Cancer; NA: Not available, MCL: Maximum contaminant level.