40 CFR Part 98, Table K-1
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Alloy product produced in EAF | CH4 emission factor(kg CH4 per metric ton product)
EAF Operation
| Batch-charging | Sprinkle-charging a | Sprinkle-charging and>750 °C b |
|---|---|---|
| Silicon metal | 1.5 | 1.2 | 0.7 |
| Ferrosilicon 90% | 1.4 | 1.1 | 0.6 |
| Ferrosilicon 75% | 1.3 | 1 | 0.5 |
| Ferrosilicon 65% | 1.3 | 1 | 0.5 |
a Sprinkle-charging is charging intermittently every minute.
b Temperature measured in off-gas channel downstream of the furnace hood.