The State Board of Health submitted on April 18, 1977, a letter certifying that there are no existing phosphate fertilizer plants in the State subject to part 60, subpart B of this chapter.

(a) Title of plan. “Fluoride Emission Limitations for Existing Primary Aluminum Plants.”

(b) The plan was officially submitted on January 7, 1981 by the Technical Secretary of the Indiana Air Pollution Control Board.

(c) The State on July 17, 1981, submitted Alcoa methods 4075A, 4076A, 913A, 914E and 914F as alternate test methods.

(d) On October 17, 2002, and January 22, 2003, the State notified EPA that it is revising the control strategy for this plan. Rule 326 IAC 11-5 is removed as the control strategy for this plan and the Federal NESHAP for controlling fluoride emissions from primary aluminum reduction plants promulgated on October 7, 1997 (62 FR 52384), and codified at 40 CFR part 63, subpart LL is the revised control strategy for this plan.

On March 20, 2023, Indiana submitted a revised CAA section 111(d) state plan for implementing the revised emission guidelines for Municipal Solid Waste (MSW) Landfills. The enforceable mechanism for this state plan is a state rule codified in 326 Indiana Administrative Code (IAC) 8-8.2. The rule was adopted on September 14, 2022, and became effective on March 10, 2023.

The Indiana CAA section 111(d) state plan for existing MSW landfills applies to all MSW landfills for which commenced construction on or before July 17, 2014, and have not been modified or reconstructed since July 17, 2014.

The Federal effective date of the Indiana CAA Section 111(d) state plan for existing MSW landfills is January 8, 2024.

On December 14, 2011, Indiana submitted a revised State Plan for implementing the revised emission guidelines for Hospital/Medical/Infectious Waste Incinerators (HMIWI). The enforceable mechanism for this revised State Plan is a State rule codified in 326 Indiana Administrative Code (IAC) 11-6. The rule was adopted on August 3, 2011, and became effective on October 28, 2011. A typographical correction was submitted to the Indiana Air Pollution Control Board and accepted on December 6, 2011 and became effective on January 20, 2012.

The Indiana State Plan for existing Hospital/Medical/Infectious Waste Incinerators (HMIWI) applies to all HMIWIs for which construction commenced on

(a) On or before June 20, 1996 or for which modification was commenced on or before March 1998; or

(b) After June 20, 1996, but no later than December 1, 2008, or for which modification is commenced after March 16, 1998, but no later than April 6, 2010.

The Federal effective date of the Indiana State Plan for existing Hospital/Medical/Infectious Waste Incinerators is June 25, 2012.

On November 7, 2001, and December 3, 2001, the State of Indiana certified to the satisfaction of the United States Environmental Protection Agency that no sources categorized as small Municipal Waste Combustors are located in the State of Indiana.

(a) On September 30, 1999, Indiana submitted the State plan for implementing the Federal Large Municipal Waste Combustor (MWC) Emission Guidelines to control emissions from existing MWCs with the capacity to combust greater than 250 tons per day of municipal solid waste. The enforceable mechanism for this plan is a State rule codified in 326 Indiana Administrative Code (IAC) 11-7. The rule was adopted on September 2, 1998, filed with the Secretary of State on January 18, 1999, and became effective on February 17, 1999. The rule was published in the Indiana Register on March 1, 1999 (22 IR 1967).

(b) On August 24, 2007 (with corrections submitted on July 29, 2008), Indiana submitted a revised State plan as required by Sections 129(a)(5) and 129(b)(2) of the Act. The revised (Phase II) State plan implements amendments to 40 CFR part 60, subpart Cb published in the Federal Register on May 10, 2006. The Phase II State plan includes an amendment to State Rule 326 IAC 11-7 that was adopted by Indiana on February 7, 2007.

The plan applies to all existing MWCs with the capacity to combust greater than 250 tons per day of municipal solid waste, and for which construction, reconstruction, or modification was commenced on or before September 20, 1994, as consistent with 40 CFR Part 60, subpart Cb.

The effective date of Phase I of the approval of the Indiana State plan for MWCs with the capacity to combust greater than 250 tons per day of municipal solid waste was January 18, 2000.

Phase II of the State plan revision is effective December 1, 2008.

On July 31, 2017, the Indiana Department of Environmental Management submitted a negative declaration letter to EPA certifying that there are no existing Commercial and Industrial Solid Waste Incineration (CISWI) units in the State of Indiana subject to the emissions guidelines at 40 CFR part 60, subpart DDDD.

On July 31, 2017, the Indiana Department of Environmental Management submitted a negative declaration letter to EPA certifying that there are no existing Sewage Sludge Incineration (SSI) units in the State of Indiana subject to the emissions guidelines at 40 CFR part 60, subpart MMMM.

On November 27, 2007, Indiana submitted the State Plan for implementing the Other Solid Waste Incineration Units (OSWI). The enforceable mechanism for this State Plan is a State rule codified in 326 Indiana Administrative Code (IAC) 11-9. The rule was adopted on February 7, 2007, and became effective on August 9, 2007.

The Indiana State Plan for existing Other Solid Waste Incineration (OSWI) units applies to all OSWI units as defined in § 60.3078 for which construction commenced on or before December 9, 2004 to comply with this subpart.

The Federal effective date of the Indiana State Plan for existing Sewage Sludge Incinerators is April 27, 2015.