40 CFR Part 63, Table 33
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| Cargo carrier | Mode of operation | S factor |
|---|---|---|
| Tank trucks and rail tank cars | Submerged loading of a clean cargo tank | 0.5 |
| Submerged loading: dedicated normal service | 0.6 | |
| Submerged loading: dedicated vapor balance service | 1 | |
| Splash loading of a clean cargo tank | 1.45 | |
| Splash loading: dedicated normal service | 1.45 | |
| Splash loading: dedicated vapor balance service | 1 |