98.60—Definition of the source category.
(a)
A primary aluminum production facility manufactures primary aluminum using the Hall-Héroult manufacturing process. The primary aluminum manufacturing process comprises the following operations:
(1)
Electrolysis in prebake and Sderberg cells.
(2)
Anode baking for prebake cells.
(b)
This source category does not include experimental cells or research and development process units.