35 Ill. Adm. Code 212.451
Hot Scarfing Machines
Section 212
Section 212.451 Hot Scarfing
Machines
All hot scarfing machines shall
be controlled by pollution control equipment. Emissions from said pollution
control equipment shall not exceed 69 mg/dscm (0.03 gr/dscf) during hot
scarfing operations. Provided, however, that the hot scarfing machine existing
on January 1, 1987 and operated by the LTV Steel Company, Inc., at its Chicago
Works, which employs wet scrubbers, may emit particulate matter in amounts not
exceeding 138 mg/dscm (0.06 gr/dscf) during hot scarfing operations so long as
emissions do not exceed 23 mg/dscm (0.01 gr/dscf) as an hourly average, as
measured per hour.