You must report:
(a) CO2 process emissions from each Waelz kiln and electrothermic furnace used for zinc production.
(b) CO2, CH4, and N2O combustion emissions from each Waelz kiln. You must calculate and report these emissions under subpart C of this part (General Stationary Fuel Combustion Sources) by following the requirements of subpart C.
(c) CO2, CH4, and N2O emissions from each stationary combustion unit other than Waelz kilns. You must report these emissions under subpart C of this part (General Stationary Fuel Combustion Sources) by following the requirements of subpart C.