Indiana Administrative Code
Title 326 - AIR POLLUTION CONTROL DIVISION
Article 7 - SULFUR DIOXIDE RULES
Rule 4 - Emission Limitations and Requirements by County
Section 4-10 - Warrick County sulfur dioxide emission limitations
Current through March 20, 2024
Authority: IC 13-14-8; IC 13-17-3
Affected: IC 13-15; IC 13-17; IC 13-22
Sec. 10.
(a) The following sources and facilities located in Warrick County shall comply with the sulfur dioxide emission limitations in pounds per million Btu, unless otherwise specified, and other requirements:
Facility Description | Emission Limitations |
(A) Culley Units 1, 2, and 3 | |
Beginning December 31, 1989 | 5.41 each |
Beginning August 1, 1991 (Units 1 and 2 only) | 2.79 each |
Facility Description | Emission Limitations |
Unit 1 | 0.0006 |
Unit 2 | 4.40 |
Facility Description Emission Limitations
Units 1, 2, 3, and 4 5.11 each
Unit 4 is jointly owned by ALCOA and SIGECO.
Facility Description | Emission Limitations |
(A) Potline 1: | |
All stacks associated with scrubber | 176.3 |
Roof monitors associated with Potline 1 | 19.6 |
(B) Potline 2: | |
All stacks associated with scrubber | 195.2 |
Roof monitors associated with Potline 2 | 21.7 |
(C) Potline 3: | |
All vents or stacks associated with scrubber | 195.2 |
Roof monitors associated with Potline 3 | 21.7 |
(D) Potline 4: | |
All vents associated with scrubber | 195.2 |
Roof monitors associated with Potline 4 | 21.7 |
(E) Potline 5: | |
All stacks associated with scrubber | 195.2 |
Roof monitors associated with Potline 5 | 21.7 |
(F) Potline 6: | |
All stacks associated with scrubber | 195.2 |
Roof monitors associated with Potline 6 | 21.7 |
(G) Potlines 1, 2, 3, 4, 5, and 6 | 5,608 tons per year total |
(H) Anode Bake Ring Furnace | 94.1 |
(412 tons per year) |
Any sulfur dioxide emission limitation established in a permit issued in conformance with the prevention of significant deterioration rules under 326 IAC 2-2 or 40 CFR 52 *, if more stringent, shall supersede the requirements in this subdivision.
(b) Compliance with the pounds per hour limitations specified in subsection (a)(4) shall be based on a stack test under 326 IAC 7-2-1(d).
(c) Compliance with the tons per year limitations specified in subsection (a)(4) shall be based on a rolling twelve (12) consecutive month emission total. Monthly sulfur dioxide emissions shall be determined from calendar month material balances using actual average sulfur content and material throughput. Quarterly reports shall be submitted to the department containing the calendar month and rolling twelve (12) month sulfur dioxide emissions from the smelter operations (potline scrubber stacks, roof monitors, and anode bake ring furnace). The report shall:
*These documents are incorporated by reference. Copies may be obtained from the Government Printing Office, 732 North
Capitol Street NW, Washington, D.C. 20401 or are available for review and copying at the Indiana Department of Environmental Management, Office of Air Quality, Indiana Government Center-North, Tenth Floor, 100 North Senate Avenue, Indianapolis, Indiana 46204.