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CAA Section 111(d)/129 Delegation

Acronyms & Abbreviations

CISWI = Commercial, Industrial Solid Waste Incinerators

HMIWI = Hospital / Medical / Infectious Waste Incinerators

IDEM = Indiana Department of Environmental Management

MACT = Maximum Achievable Control Technology

MPCA = Minnesota Pollution Control Agency

MSW = Municipal Solid Waste

MWC = Municiapl Waste Combustors

OSWI = Other Solid Waste Incineration

SSI = Sewage Sludge Incinerators

Congress added Section 129 to the Clean Air Act (CAA) in 1990 specifically to address emissions from solid waste combustion. Sections 111 and 129 require EPA to establish new source performance standards (NSPS) for new units, while sections 111(d) and 129 require the Agency to establish Emission Guidelines for existing units. Both the NSPS and the Emission Guidelines under section 129 use a MACT type approach as used under section 112.

NSPS are direct Federal regulations that apply to new sources. Emission Guidelines do not directly regulate solid waste combustion units, but rather, establish requirements for States Plans which are the vehicle by which States implement the Guidelines. Once approved, these State Plans become Federally enforceable. If a State does not seek approval of a State Plan, the Federal Plan applies.


Rule Illinois Indiana Michigan Minnesota Ohio Wisconsin Note*
Large Municipal Waste Combustors (Large MWC) Negative Declaration

Illinois Negative
Declaration and
Withdrawal of
LMWC State Plan
(Final Rule) (77 FR
32022)(PDF)
(3pp, 130K)
May 31,2012

Illinois Negative
Declaration and
Withdrawal of LMWC
State Plan (Proposed
Rule) (77 FR 32075)
(PDF)
(1pp, 96K)
May 31, 2012


Illinois Approval &
Promulgation of State
Plans (Final Rule)
(62 FR 67570)
(PDF)
(3pp, 26K)
Dec. 29, 1997

Illinois Approval &
Promulgation of
State Plans (Proposed
Rule) (62 FR 67601)
(PDF)
(2pp, 147K)
Dec. 29, 1997

State Plan approved

Indiana Approval of Revised MWC State Plan (Revised Final Rule) (73 FR 56981) (PDF) (3pp, 152K)
Oct. 1, 2008

Indiana Withdrawal of Direct Final Rule (PDF) (73 FR 49349) (5pp, 191K) Aug. 21, 2008

Indiana Direct Final Approval of Revised MWC State Plan (73 FR 38925) (PDF) (4pp, 189K) July 8, 2008

Indiana Direct Final Approval of Revised MWC State plan (proposed rule) (73 FR 38954) (PDF)(2pp, 177K) July 8, 2008

Indiana Approval & Promulgation of Implementation Plan (proposed rule)(64 FR 63002) (PDF) (2pp, 146K) Nov. 18, 1999

Indiana Approval of MWC State Plan (direct final rule) (64 FR 62978) (PDF)(5pp, 167K) Nov. 18, 1999

Federal Plan applies State Plan approved

MPCA working on new State Plan

Minnesota Approval & Promulgation of State Plans (Direct Final Rule) (63 FR 43080) (PDF)(4pp, 35K) Aug. 12, 1998

Minnesota Approval & Promulgation of State Plans (Proposed Rule)(63 FR 43127) (PDF) (1pg, 12K) Aug. 12, 1998

Federal Plan applies Federal Plan applies

Hospital / Medical / Infectious Waste Incinerators (HMIWI)

State Plan approved

Illinois Final rule (79 FR 24403) (PDF) (3pp, 207K) April 24, 2012

Illinois proposed rule (79 FR 24451) (PDF) (1pg, 190K) April 24, 2012

Illinois Final (64 FR 36600) (PDF) (6pp, 172K) July 7, 1999

Illinois Proposal (64 FR 36639) (PDF) (2pp, 147K) July 7, 1999

State Plan approved

Indiana Final (79 FR 24405) (PDF) (4pp, 213K) April 24, 2012

Indiana Proposal (79 FR 24451) (PDF) (1pg, 190K) April 24, 2012

Indiana Final (64 FR 70595) (PDF) (5pp, 259K) Dec. 17, 1999

Indiana Proposal (64 FR 70665) (PDF) (2pp, 247K) Dec. 17, 1999

Negative Declaration

Michigan and
Wisconsin Negative Declaration - Direct Final Rule (78 FR 72581) (PDF)
(3pp, 207K) Dec. 3, 2013

Michigan and
Wisconsin Negative Declaration Proposal (78 FR 72611) (PDF)
(2pp, 198K) Dec. 3, 2013

Federal Plan applies State Plan approved

Final Ohio Rules to Control Emissions from HMIWI (72 FR 36605) (PDF) (3pp, 182K) July 5, 2007

Proposed Ohio Rules to Control Emissions from HMIWI (72 FR1197) (PDF) (4pp, 184K) Jan. 10, 2007

Negative Declaration

Michigan and
Wisconsin Negative Declaration - Direct Final Rule (78 FR 72581) (PDF)
(3pp, 207K) Dec. 3, 2013

Michigan and
Wisconsin Negative Declaration Proposal (78 FR 72611) (PDF)
(2pp, 198K) Dec. 3, 2013

Small Municipal Waste Combustors (Small MWC) Negative Declaration

Illinois Negative Declaration - Direct Final Rule (66 FR 59711) (PDF)
(3pp, 168K) Nov. 30, 2001

Illinois Negative Declaration Proposal (66 FR 59757) (PDF) (2pp, 162K) Nov. 30, 2001

Negative Declaration

Indiana Negative Declaration - Direct Final Rule (67 FR 10620) (PDF) (3pp, 42K) March 8, 2002

Indiana Negative Declaration Proposal (67 FR 10656) (PDF) (1pb, 159K) March 8, 2002

Federal Plan applies Federal Plan applies Negative Declaration

Ohio Negative declaration Final (67 FR 61270) (PDF)
(3pp, 42K) Sep. 30, 2002

Ohio Negative Declaration Proposal (67 FR 61305) (PDF) (2pp, 34K) Sep. 30, 2002

Federal Plan applies
Commercial, Industrial Solid Waste Incinerators (CISWI) Federal Plan applies State Plan approved

Indiana Final Plan for controlling emissions from existing CISWI (68 FR 35181) (PDF) (3pp, 166K) June 12, 2003

Indiana Proposed rule for controlling emissions from existing CISWI (68 FR 35191) (PDF) (2pp, 155K) June 12, 2003

Federal Plan applies Federal Plan applies Federal Plan applies Federal Plan applies
Other Solid Waste Incineration (OSWI)

Proposed Federal Plan published on 12/18/2006. Final Federal Plan still not published. Any State Plan requests were put on hold.

IDEM submitted request for approval on November 27, 2007
Sewage Sludge Incinerators (SSI) State Plan approved

Indiana Final Plan for controlling emissions from existing SSI (78 FR 34918) (PDF)
(3pp, 209K) June 11, 2013

Indiana Proposed rule for controlling emissions from existing SSI (78 FR 34973) (PDF) (1pp, 172K) June 11, 2013

Municipal Solid Waste (MSW) Landfills State Plan approved

Illinois Final rule for control of landfill gas emissions from existing MSW landfills (63 FR 64628) (PDF) (5pp, 166K) Nov. 23, 1998

Illinois Proposed rule for control of landfill gas emissions from existing MSW landfills (63 FR 64667) (PDF) (2pp, 146K) Nov. 23, 1998

State Plan approved

Indiana Final rule for control of landfill gas emissions from existing MSW landfills (65 FR 16323) (PDF) (5pp, 259K) March 28, 2000

Indiana Proposed rule for control of landfill gas emissions from existing MSW landfills (65 FR 16365) (PDF) (2pp, 244K) March 28, 2000

Federal Plan applies State Plan approved

Minnesota Final rule for control of landfill gas emissions from existing MSW landfills (63 FR 40049) (PDF) (5pp, 214K) July 27, 1998

Minnesota Proposed rule for control of landfill gas emissions from existing MSW landfills (63 FR 40074)(PDF) (4pp, 161K) July 27, 1998

State Plan approved

Ohio Final rule for control of landfill gas emissions from existing MSW landfills (63 FR 42235) (PDF) (4pp, 158K) July 8, 1998

Ohio Proposed rule for control of landfill gas emissions from existing MSW landfills (63 FR 42310) (PDF) (2pp, 146K) July 8, 1998

Federal Plan applies

* Wisconsin and US EPA signed an Memorandum Of Agreement (MOA) (PDF) (6 pp, 240K) on Feb. 11, 2002 which does not constitute a "delegation of authority". The purpose of the MOA is to clarify responsibilities for implementing the 111(d)/129 Federal Plans in Wisconsin through the State's Title V program.


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