35 Ill. Adm. Code 212.449
Argon-Oxygen Decarburization Vessels
Section 212
Section 212.449 Argon-Oxygen
Decarburization Vessels
The total particulate matter
emissions from all charging, refining, alloy addition and tapping operations
shall not exceed the allowable emission rate specified by Section 212.321 or
Section 212.322 of this Part, whichever is applicable.