The particulate matter emissions from hot metal desulfurization shall be collected and ducted to pollution control equipment, and emissions from the pollution control equipment shall not exceed 69 mg/dscm (0.03 gr/dscf).
Ill. Admin. Code tit. 35, § 212.447
Amended at 3 Ill. Reg. 39, p. 184, effective September 28, 1979