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  2. Air Quality Implementation Plans

EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Michigan SIP

Name of nonregulatory SIP provisionApplicable geographic or nonattainment areaState submittal dateEPA Approval dateComments
Implementation plan for the control of suspended particulates, sulfur oxides, carbon monoxide, hydrocarbons, nitrogen oxides, and photochemical oxidants in the state of MichiganStatewide2/3/19725/31/1972,37 FR 10841Sections include: Air quality control regions, legal authority, air quality data, emission data, control strategy, control regulations, compliance plans and schedules, prevention of air pollution emergency episodes, air quality surveillance program, control of emission sources, organization and resources, and intergovernmental cooperation.
Reevaluation of control strategiesBerrien and Ingham Counties3/3/197210/28/1972,37 FR 23085 
Reasons and justificationsStatewide7/12/197210/28/1972,37 FR 23085Concerning general requirements of control strategy for nitrogen dioxide, compliance schedules, and review of new sources and modifications.
Compliance schedulesAlpena, Baraga, Charlevoix, Huron, Ionia, Marquette, Midland, Muskegon, Oakland, Otsego, and St. Clair Counties5/4/1973, 9/19/1973, 10/23/1973, and 12/13/19738/5/1974,39 FR 28155 
Compliance schedulesAllegan, Eaton, Emmet, Genesee, Huron, Ingham, Macomb, Monroe, Ottawa, Saginaw, and St. Clair Counties2/16/1973 and 5/4/19739/10/1974,39 FR 32606 
Carbon monoxide control strategySaginaw area4/25/19795/6/1980,45 FR 29790 
Transportation control plansDetroit urban area4/25/1979, 7/25/1979, 10/12/1979, 10/26/1979, 11/8/1979, 12/26/19796/2/1980,45 FR 37188 
Ozone control strategy for rural ozone nonattainment areasMarquette, Muskegon, Gratiot, Midland, Saginaw, Bay, Tuscola, Huron, Sanilac, Ottawa, Ionia, Shiawassee, Lapeer, Allegan, Barry, Van Buren, Kalamazoo, Calhoun, Jackson, Berrien, Cass, Branch, Hillsdale, and Lenawee Counties4/25/1979, 7/25/1979, 10/12/1979, 10/26/1979, 11/8/1979, 12/26/19796/2/1980,45 FR 37188 
Transportation control planNiles4/25/1979, 10/26/1979, 11/8/1979, 12/26/1979, 8/4/1980, and 8/8/19804/17/1981,46 FR 22373 
Total suspended particulate studiesDetroit area3/7/1980 and 4/21/19812/18/1982,47 FR 7227 
Lead planStatewide12/27/1979 and 2/9/19814/13/1982,47 FR 15792 
Reduction in size of Detroit ozone areaWayne, Oakland, Macomb, Livingston, Monroe, St. Clair, and Washtenaw Counties9/1/19827/7/1983,48 FR 31199 
Information relating to order 8-1982: letter dated 9/6/84 from Michigan Department of Natural Resources to EPAGenesee County9/6/19848/22/1988,53 FR 31861 
Information relating to order 14-1987: letter dated 12/17/87 from Michigan Department of Natural Resources to EPAMidland County12/17/198710/3/1989,54 FR 40657 
Appendices A and D of Wayne County Air Pollution Control OrdinanceWayne County10/10/19865/13/1993,58 FR 28359Effective 11/18/1985.
Information supporting emissions statement programStatewide11/16/1992, 10/25/1993, and 2/7/19943/8/1994,59 FR 107521991 Michigan air pollution reporting forms, reference tables, and general instructions.
I/M programGrand Rapids and Muskegon areas11/12/1993 and 7/19/199410/11/1994,59 FR 51379Includes: document entitled "Motor Vehicle Emissions Inspection and Maintenance Program for Southeast Michigan, Grand Rapids MSA, and Muskegon MSA Moderate Nonattainment Areas," RFP, and supplemental materials.
PM-10 implementation planWayne County6/11/1993, 4/7/1994, and 10/14/19941/17/1995,60 FR 3346Reasonable further progress, RACM, contingency measures, 1985 base year emission inventory.
General conformityStatewide11/29/199412/18/1996,61 FR 66607 
Transportation conformityStatewide11/24/199412/18/1996,61 FR 66609 
7.8 psi Reid vapor pressure gasoline-supplemental materialsWayne, Oakland, Macomb, Washtenaw, Livingston, St. Clair, and Monroe Counties5/16/1996, 1/5/1996, and 5/14/19965/5/1997,62 FR 24341Includes: letter from Michigan Governor John Engler to Regional Administrator Valdas Adamkus, dated 1/5/1996, letter from Michigan Director of Environmental Quality Russell Harding to Regional Administrator Valdas Adamkus, dated 5/14/1996, and state report entitled "Evaluation of Air Quality Contingency Measures for Implementation in Southeast Michigan".
Regional Haze PlanStatewide11/5/201012/3/2012,77 FR 71533Addresses all regional haze plan elements except BART emission limitations for EGUs, St. Marys Cement, Escanaba Paper, and Tilden Mining.
Regional Haze Progress ReportStatewide1/12/20166/1/2018,83 FR 25375 
List of permit applications; list of consent order public notices; notice, opportunity for public comment and public hearing required for certain permit actionsStatewide12/19/20185/31/2019,84 FR 25180Includes: Letter from Michigan Department of Environmental Quality Director C. Heidi Grether to Regional Administrator Cathy Stepp, dated 12/19/2018, along with an enclosed selection of Section 5511 (3) of Part 55, Air Pollution Control, of the Natural Resources and Environmental Protection Act, 1994 PA 451, as amended.
Attainment Demonstrations
1-hour ozone attainment demonstrations and transportation control plansFlint, Lansing and Grand Rapids urban areas4/25/1979, 7/25/1979, 10/12/1979, 10/26/1979, 11/8/1979, 12/26/19796/2/1980,45 FR 37188 
Carbon monoxide and 1-hour ozone attainment demonstrations and I/M programDetroit urban area4/25/1979, 7/25/1979, 10/12/1979, 10/26/1979, 11/8/1979, 12/26/1979, 3/20/1980, 5/12/1980, and 5/21/19806/2/1980,45 FR 37192 
Emissions Inventories
1-hour ozone 1990 base yearGrand Rapids (Kent and Ottawa Counties) and Muskegon areas1/5/19937/26/1994,59 FR 37944 
1-hour ozone 1990 base yearDetroit-Ann Arbor area (Livingston, Macomb, Monroe, Oakland, St. Clair, Washtenaw, and Wayne Counties)1/5/1993 and 11/29/19933/7/1995,60 FR 12459 
1-hour ozone 1990 base yearFlint (Genesee County) and Saginaw-Midland-Bay City (Bay, Midland, and Saginaw Counties)5/9/200011/13/2000,65 FR 67629 
1-hour ozone 1991 base yearAllegan County9/1/2000 and 10/13/200011/24/2000,65 FR 70490 
1997 8-hour ozone 2005 base yearDetroit-Ann Arbor (Lenawee, Livingston, Macomb, Monroe, Oakland, St. Clair, Washtenaw, and Wayne Counties)3/6/20096/29/2009,74 FR 30950 
1997 annual PM2.5 2005 base yearDetroit-Ann Arbor area (Livingston, Macomb, Monroe, Oakland, St. Clair, Washtenaw, and Wayne Counties)6/13/200811/6/2012,77 FR 66547 
2008 lead (Pb) 2013 base yearBelding area (Ionia County, part)1/12/20165/31/2017,82 FR 24864 
2010 SO2 Standard 2012 base yearDetroit area (Wayne County, part)5/31/20163/19/2021,86 FR 14827 
Infrastructure
Public availability of emissions dataStatewide7/24/197210/28/1972,37 FR 23085 
Ambient air quality monitoring, data reporting, and surveillance provisionsStatewide12/19/19793/4/1981,46 FR 15138 
Provisions addressing sections 110(a)(2)(K), 126(a)(2), 127, and 128 of the Clean Air Act as amended in 1977Statewide4/25/1979 and 10/12/19796/5/1981,46 FR 30082Concerns permit fees, interstate pollution, public notification, and state boards.
Section 121, intergovernmental consultationStatewide5/25/197911/27/1981,46 FR 57893 
Section 110(a)(2) infrastructure requirements for the 1997 8-hour ozone NAAQSStatewide12/6/2007, 7/19/2008, and 4/6/20117/13/2011,76 FR 41075Approved CAA elements: 110(a)(2)(A), (B), (C), (D)(ii), (E), (F), (G), (H), (J), (K), (L), and (M).
Section 110(a)(2) infrastructure requirements for the 1997 PM2.5 NAAQSStatewide12/6/2007, 7/19/2008, and 4/6/20117/13/2011,76 FR 41075Approved CAA elements: 110(a)(2)(A), (B), (C), (D)(ii), (E), (F), (G), (H), (J), (K), (L), and (M).
Section 110(a)(2) infrastructure requirements for the 2006 24-hour PM2.5 NAAQSStatewide8/15/2011, 7/9/2012, 7/10/201410/20/2015,80 FR 63451Approved CAA elements: 110(a)(2)(A), (B), (C), (D)(i)(II), (D)(ii), (E), (F), (G), (H), (J), (K), (L), and (M). We are not taking action on the visibility protection requirements of (D)(i)(II).
Section 110(a)(2) infrastructure requirements for the 2008 lead (Pb) NAAQSStatewide4/3/2012, 8/9/2013, 7/10/201410/20/2015,80 FR 63451Approved CAA elements: 110(a)(2)(A), (B), (C), (D), (E), (F), (G), (H), (J), (K), (L), and (M).
Section 110(a)(2) Infrastructure Requirements for the 2008 ozone NAAQSStatewide7/10/201410/13/2015,80 FR 61311Approved CAA elements: 110(a)(2)(A), (B), (C), (D), (E), (F), (G), (H), (J), (K), (L), and (M). We are not taking action on (D)(i)(I) and the visibility portion of (D)(i)(II).
Section 110(a)(2) Infrastructure Requirements for the 2010 nitrogen dioxide (NO2) NAAQSStatewide7/10/201410/13/2015,80 FR 61311Approved CAA elements: 110(a)(2)(A), (B), (C), (D), (E), (F), (G), (H), (J), (K), (L), and (M). We are not taking action on the visibility portion of (D)(i)(II).
Section 110(a)(2) Infrastructure Requirements for the 2008 sulfur dioxide (SO2) NAAQSStatewide7/10/201410/13/2015,80 FR 61311Approved CAA elements: 110(a)(2)(A), (B), (C), (D), (E), (F), (G), (H), (J), (K), (L), and (M). We are not taking action on (D)(i)(I) and the visibility portion of (D)(i)(II).
Section 110(a)(2) Infrastructure Requirements for the 2012 particulate matter (PM2.5) NAAQSStatewide7/10/2014 and
3/23/2017.
3/12/2019,84 FR 8812Fully approved for all CAA elements except the visibility protection requirements of (D)(i)(II).
Section 110(a)(2) infrastructure requirements for the 2015 ozone NAAQSStatewide3/8/20199/28/2021,86 FR 53550Approved CAA elements: 110(a)(2)(A), (B), (C), (D)(i)(II) Prong 3, D(ii), (F), (G), (H), (J), (K), (L), and (M). Disapproved CAA element 110(a)(2)(D)(i)(II) Prong 4. No action on CAA element 110(a)(2)(D)(i)(I).
Maintenance Plans
Carbon monoxideDetroit area (portions of Wayne, Oakland, and Macomb Counties)3/18/19996/30/1999,64 FR 35017 
Carbon monoxideDetroit area (portions of Wayne, Oakland, and Macomb Counties)12/19/20031/28/2005,64 FR 35017Revision to motor vehicle emission budgets.
1-hour ozoneDetroit-Ann Arbor area (Livingston, Macomb, Monroe, Oakland, St. Clair, Washtenaw, and Wayne Counties)11/12/19943/7/1995,60 FR 12459 
1-hour ozoneGrand Rapids area3/9/19956/21/1996,61 FR 31831 
1-hour ozoneMuskegon County3/9/19958/30/2000,65 FR 52651 
1-hour ozoneAllegan County9/1/2000 and 10/13/200011/24/2000,65 FR 70490 
1-hour ozoneFlint (Genesee County) and Saginaw-Midland-Bay City (Bay, Midland, and Saginaw Counties)5/9/200011/13/2000,65 FR 67629 
1-hour ozoneMuskegon County3/22/20018/6/2001,66 FR 40895Revision to motor vehicle emission budgets.
1-hour ozone updateDetroit-Ann Arbor area (Livingston, Macomb, Monroe, Oakland, St. Clair, Washtenaw, and Wayne Counties)12/19/20035/20/2005,70 FR 29202 
1997 8-hour ozoneBenzie County, Flint, Grand Rapids, Huron County, Kalamazoo-Battle Creek, Lansing-East Lansing, and Mason County7/24/20193/6/2020,85 FR 130572nd limited maintenance plan.
1997 8-hour ozoneBenton Harbor, Cass County, and Muskegon6/13/2006, 8/25/2006, and 11/30/20065/16/2007,72 FR 27425 
1997 8-hour ozoneDetroit-Ann Arbor3/6/20096/29/2009,74 FR 30950 
Particulate matterMacomb, Oakland, Wayne and Monroe Counties6/27/1974 and 10/18/19746/2/1975,40 FR 23746 
PM-10Wayne County7/24/19958/5/1996,61 FR 40516 
1997 Annual PM2.5Detroit-Ann Arbor area (Livingston, Macomb, Monroe, Oakland, St. Clair, Washtenaw, and Wayne Counties)7/05/20118/29/2013,78 FR 53274 
2006 24-Hour PM2.5Detroit-Ann Arbor area (Livingston, Macomb, Monroe, Oakland, St. Clair, Washtenaw, and Wayne Counties)7/05/20118/29/2013,78 FR 53274 
2008 lead (Pb)Belding area (Ionia County, part)1/12/20165/31/2017,82 FR 24864 
Negative Declarations
Negative declarationsWayne, Oakland and Macomb Counties10/10/1983, 5/17/1985, and 6/12/198511/24/1986,51 FR 42221Includes large petroleum dry cleaners, high-density polyethylene, polypropylene, and polystyrene resin manufacturers, and synthetic organic chemical manufacturing industry - oxidation.
Negative declarationsDetroit-Ann Arbor Area (Livingston, Macomb, Monroe, Oakland, St. Clair, Washtenaw and Wayne Counties) Grand Rapids Area (Kent and Ottawa Counties), and Muskegon County3/30/19949/7/1994,59 FR 46182Includes: Large petroleum dry cleaners, SOCMI air oxidation processes, high-density polyethylene and polypropylene resin manufacturing and pneumatic rubber tire manufacturing.
Section 182(f) NO XExemptions
1-hour ozoneDetroit-Ann Arbor area (Livingston, Macomb, Monroe, Oakland, St. Clair, Washtenaw, and Wayne Counties)11/12/19938/10/1994,59 FR 40826 
1-hour ozoneClinton, Ingham, Eaton, and Genesee Counties7/1/1994 and 7/8/19944/27/1995,60 FR 20644 
1-hour ozoneKent, Ottawa, Muskegon, Allegan, Barry, Bay, Berrien, Branch, Calhoun, Cass, Clinton, Eaton, Gratiot, Genesee, Hillsdale, Ingham, Ionia, Jackson, Kalamazoo, Lenawee, Midland, Montcalm, St. Joseph, Saginaw, Shiawassee, and Van Buren Counties7/13/19941/26/1996,61 FR 2428 
1-hour ozoneMuskegon County11/22/19959/26/1997,62 FR 50512 
1997 8-hour ozoneGrand Rapids (Kent and Ottawa Counties), Kalamazoo-Battle Creek (Calhoun, Kalamazoo, and Van Buren Counties), Lansing-East Lansing (Clinton, Eaton, and Ingham Counties), Benzie County, Huron County and Mason County1/17/20156/6/2006,71 FR 32448 

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Last updated on January 27, 2026
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