35 Ill. Adm. Code 214.423
Slab Reheat Furnaces in St. Louis Area
Section 214
Section 214.423 Slab Reheat
Furnaces in St. Louis Area
Section 214.304 notwithstanding,
slab reheat furnaces in the St. Louis (Illinois) major metropolitan area with
fuel burning capacities in excess of 650 mmbtu/hr and burning any residual fuel
shall not be subject to the applicable Subpart B through F so long as the total
sulfur dioxide emissions resulting from the burning of residual fuel oil in all
such furnaces at any one steel mill do not exceed 730 lbs/hr.