326 IAC 7-4.1-10 ArcelorMittal USA LLC (Indiana Harbor West) sulfur dioxide emission limitations

Sec. 10. (a) ArcelorMittal USA LLC (Indiana Harbor West), Source Identification Number 00318, shall comply with the sulfur dioxide emission limits in pounds per million British thermal units (MMBtu), pounds per hour, and other requirements as follows: Emissions Unit Description Emission Limit lbs/MMBtu Emission Limit lbs/hour (1) Utility Boilers 5, 6, 7, and 8: 0.594 each 1456.5 total (A) Total actual heat input from fuel oil usage at all boilers combined must not exceed two thousand four hundred fifty-two (2,452) MMBtu per hour. (B) Boilers must be fired on fuel oil, blast furnace gas, and natural gas only. (C) Fuel oil burned must not exceed one and three-tenths percent (1.3%) sulfur and one and thirty-five hundredths (1.35) pounds per MMBtu. (D) Utility Boilers 5, 6, 7, and 8 in combination with the Ironside Energy, LLC Utility Boiler No. 9 are limited to an annual operating limit of five thousand eight hundred seventy-one and sixty-one hundredths (5,871.61) tons per year. (2) Blast Furnace Stoves: (A) No. 3 Blast Furnace Stove 0.290 127.89 (B) No. 4 Blast Furnace Stove 0.290 140.94 (3) Reladling and Desulfurization Baghouse 0.057 pounds per ton feed material 30.40 (4) Number 4 Blast Furnace EC Baghouse 0.18 pounds per ton feed material 69.9 (b) ISG ArcelorMittal USA LLC (Indiana Harbor West), shall: (1) maintain records of the: (A) total coke oven gas, blast furnace gas, fuel oil, and natural gas usage for each day at each emissions unit listed in subsection (a)(1) through (a)(2); and (B) average sulfur content and heating value for each day for each fuel type used during the calendar quarter; and (2) submit to the department within thirty (30) days of the end of each calendar quarter the calculated sulfur dioxide emission rate in pounds per MMBtu for each emissions unit for each day during the calendar quarter and the total fuel usage for each type at each emissions unit for each day.