40 CFR Appendix Table K-1 to Subpart K of Part 98 - Electric Arc Furnace (EAF) CH4 Emission Factors

Alloy product produced in EAF	CH 4 emission factor (kg CH 4 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	0.5
Ferrosilicon 65%	1.3	1.0	0.5

a Sprinkle-charging is charging intermittently every minute.

b Temperature measured in off-gas channel downstream of the furnace hood.