For a particular application, please contact the listed permit engineer.
Permit to Install (PTI) applications included here may be of particular interest to the public. These applications and supporting documents are subject to revision during the review of the applications in response to EGLE requirements. The public is encouraged to provide informal comments to assist the EGLE in identifying issues of concern.
Note: As the Air Quality Division works to implement the new data system, MiEnviro for air permits, all permit applications will become available for the public to view.
10611 Five Mile Road
Northville, MI 48168
State Registration No. (SRN): N2688
This is a single project consisting of two PTI applications. Application No. APP-2022-0214 from Emerald RNG, LLC and Arbor Hills RNG, LLC was received on 8/31/2022. It has been assigned to PTI No. 67-23. That application is for the installation of a new renewable natural gas (RNG) plant. Application APP-2022-0215 from Arbor Hills Energy was received on 9/6/2022. It has been assigned to PTI No. 68-23. That application is for proposed modifications to existing combustion turbines. Both PTIs were approved on 5/31/2023.
Arbor Hills also has other active PTIs and a facility-specific Information page at Michigan.gov/ArborHills with information on compliance and enforcement activities.
Amber Brown, Air Quality Division
BrownA39@Michigan.gov
517-730-1158
25 Marion Avenue
River Rouge, MI 48218
State Registration No. (SRN): B2169
This is a project consisting of PTI Application No. APP-2022-0028 for Carmeuse Lime, Inc. received on 1/24/2023. That application is to permit the use of coke oven gas as an additional fuel. The permit was approved with changes based on public input on 7/25/2024. It was given the PTI no. of 77-24.
Andrew Drury, Air Quality Division
DruryA@Michigan.gov
517-648-6663
Ironwood & Wakefield Townships
Gogebic County, MI 49938
State Registration No. (SRN): P0304
This application was for the installation and operation of an underground copper mine, associated ore milling and concentrate production, and tailings disposal facilities. The previous permit for this facility, PTI 180-11, was voided on 7/28/2015 because construction of the facility did not begin within the required timeframe.
The application was received on 3/29/2018. The PTI (180-11A) was approved on 11/26/2018.
Andrew Drury, Air Quality Division
DruryA@Michigan.gov
517-648-6663
Ironwood & Wakefield Townships
Gogebic County, MI 49938
State Registration No. (SRN): P0304
This application is for a proposed nonferrous mine and ore processing facility. Copperwood plans to construct this facility to mine, extract, and process a nonferrous copper and silver ore body.
The application was submitted on 8/22/2023.
1336 East Maumee Street
Adrian, Michigan 49221
State Registration No. (SRN): E8117
The purpose of the application is to incorporate a Nuisance Odor Management Plan (NOMP) required by both Michigan Department of Agriculture and Rural Development (MDARD) and the Michigan Department of the Environment, Great Lakes, and Energy (EGLE) into PTI 38-06.
The application was received on 9/30/2022. Crimson Holdings, LCC withdrew their application, and AQD voided it on 4/25/2023.
Andrew Drury, Air Quality Division
DruryA@Michigan.gov
517-648-6663
1336 East Maumee Street
Adrian, Michigan 49221
State Registration No. (SRN): E8117
The purpose of the application is to install a new packed-bed scrubber to control odors from the existing spray dryer and to incorporate a Nuisance Odor Management Plan (NOMP) required by both Michigan Department of Agriculture and Rural Development (MDARD) and the Michigan Department of the Environment, Great Lakes, and Energy (EGLE) into PTI 38-06.
The application was received on 5/29/2023. This PTI application was approved on 1/30/24.
A Subsidiary of Lundin Mining
6510 AAA Road
Michigamme Township, MI 49861
State Registration No. (SRC): N7581
This PTI application was received on 7/30/2024 to replace APP-2024-0042.
Andrew Drury, Air Quality Division
DruryA@Michigan.gov
517-648-6663
Humboldt Mill
4547 County Road 601
Champion, MI 49814
State Registration No. (SRN): N0934
The application was received on 11/27/2023. The PTI application was approved on 6/26/24.
Andrew Drury, Air Quality Division
DruryA@Michigan.gov
517-648-6663
A Subsidiary of Lundin Mining
6510 AAA Road
Michigamme Township, MI 49861
State Registration No. (SRN): N7581
This PTI application was received on 3/5/2024. The application was withdrawn and voided on 8/1/2024.
A Subsidiary of Lundin Mining
4547 County Road 601
Humbolt Township, MI 49814
State Registration No. (SRN): N0934
The application was received on 6/20/2019. The PTI was approved on 5/29/2020.
A Subsidiary of Lundin Mining
6510 AAA Road
Michigamme Township, MI 49861
State Registration No. (SRN): N7581
This PTI application was received on 6/20/2019. It was approved on 5/29/2020.
2675 US-131 North
Elmira, MI 49730
State Registration No. (SRN): N6052
Application APP-2023-0108 was for changes to the fuel-burning equipment. The application was received on 4/5/2023 and was withdrawn on 10/31/2023. A new application with updated dispersion modeling results was resubmitted on 11/9/2023 and given the application number APP-2023-0290.
Jacob Young, Air Quality Division
YoungJ30@Michigan.gov
517-582-5218
8941 W. Jefferson Avenue
Jefferson Marine
Detroit, MI 48209
State Registration No.: B4249
This PTI Application No. APP-2023-0070 is for a cement grinding plant.
The application was received on 3/10/2023 and was approved with changes on 11/30/2023 as PTI No. 135-23.
Jacob Young, Air Quality Division
YoungJ30@Michigan.gov
517-582-5218
1400 Zug Island Road
Detroit, MI 48209
State Registration No. (SRN): P0408
Application No. APP-2024-0157 from EES Coke Battery, LLC was received on 7/1/2024. The application is for the installation of a secondary screener and subsequent equipment.
Grace Knauss, Air Quality Division
KnaussG@Michigan.gov
517-643-6174
255 Marion Avenue
River Rouge, MI 48218
State Registration No. (SRN): M4547
Application No. APP-2024-0195 from Fritz Products, Inc. was received on 8/16/2024. The application is for the installation of a sweat furnace being purchased from another facility.
Ambrosia Brown, Air Quality Division
BrownA39@Michigan.gov
517-730-1158
Trout Lake Road
Rexton, MI 49762
State Registration No. (SRN): P1097
This PTI application was received on 3/12/2021. The application was withdrawn & voided on 2/11/2022.
Melissa Byrnes, Air Quality Division
ByrnesM@Michigan.gov
517-648-7244
1300 S. Fort Street
Detroit, MI 48217
State Registration No. (SRN): A9831
This application is for the installation and operation of a gasoil hydrotreater (GOHT) feed heater and a GOHT reactor, and is referred to as the "Tier 3 Fuels Project." Marathon is also voluntarily reducing other emissions at their facility.
This application was received on 6/10/2015. The PTI was approved on 5/26/2016.
Detroit Refining Logistics, LLC
1300 S. Fort Street
Detroit, MI 48217
State Registration No. (SRN): A9831
This application is for the installation and operation of eight liquefied petroleum gas (LPG) storage tanks and an LPG railcar load rack, and is referred to as the "LPG Storage and Transfer Project." Marathon is also voluntarily reducing other emissions at their facility.
This application was received on 6/22/2015. The PTI was approved on 5/26/2016.
1300 S. Fort Street
Detroit, MI 48217
State Registration No. (SRN): A9831
This permit application (APP-2022-0004) was received on 1/7/2022. The PTI was approved on 9/1/2022.
Marathon also has other active PTIs and a facility-specific Information page at Michigan.gov/EGLEMarathon with information on compliance and enforcement activities.
6779 Smiths Creek Road
Smiths Creek, MI 48074
State Registration No. (SRN): N6207
This application is for a new, small, skid-mounted flare rented by the site to provide temporary odor control for gas generated on the south side (Cell 8) of the site. Although the flare was initially believed to qualify for an exemption, inlet sulfur concentrations measured for Cell 8 are higher than the site's average. Therefore, a PTI is being requested as a precaution. The application was received on 12/15/2023.
Smiths Creek also has other active PTIs and a facility-specific Information page with information on compliance and enforcement activities.
Vrajesh Patel, Air Quality Division
PatelV@Michigan.gov
517-582-3909
4000 Saint Jean Street
Detroit, MI 48124
State Registration No. (SRN): N2155
Permit to Install (PTI) applications included here may be of particular interest to the public. These applications and supporting documents are subject to revision during the review of the applications in response to EGLE requirements. The public is encouraged to provide informal comments to assist the EGLE in identifying issues of concern.
Note: As the Air Quality Division works to implement the new data system, MiEnviro for air permits, all permit applications will become available for the public to view.
Dave Thompson, Air Quality Division
ThompsonD22@Michigan.gov
517-582-5095
5204 Energy Drive
Flint, MI 48505
State Registration No. (SRN): N7256
Universal Coating, Inc. is seeking a construction waiver and an air use PTI for the installation and operation of two {2) new Walther Trowal tumble spray coating lines. The application was received on 6/2/2023.
Nicholas Carlson, Air Quality Division
CarlsonN1@Michigan.gov
517-582-5160
The Marathon Detroit Refinery stationary source, State Registration Number (SRN) A9831, consists of three separate companies that are included in the Renewable Operating Permit (ROP) for the source.
Marathon also has other active PTIs and a facility-specific Information page at Michigan.gov/EGLEMarathon with information on compliance and enforcement activities.
1001 S. Oakwood Blvd.
Detroit, MI 48217
State Registration No.: A9831
Marathon submitted an application (APP-2024-0053) for a Permit to Install (PTI) requesting the following changes on 3/20/2024. It replaces withdrawn application APP-2023-0146. The permit was approved with changes based on public input on 9/10/2024. It was given PTI No. 94-24.
Andrew Drury, Air Quality Division
DruryA@Michigan.gov
517-648-6663
1025 S. Oakwood Blvd.
Detroit, MI 48217
State Registration No.: A9831
Air Products submitted an air permit application (APP-2024-0055) requesting to add the new emission caps to their section of the ROP on 3/20/2024. It replaces withdrawn application no. APP-2023-0239. The permit was approved on 9/10/2024. It was given PTI No. 95-24.
Andrew Drury, Air Quality Division
DruryA@Michigan.gov
517-648-6663
12700 Toronto Street
Detroit, MI 48217
State Registration No.: A9831
MPLX submitted an air permit application (APP-2024-0054) requesting to make a proposed vapor recovery unit (VRU) stack change legally enforceable on 3/18/2024. In replaces the withdrawn application no. APP-2023-0240. MPLX proposed to combine the two existing VRU stacks, that are 20 feet tall, into a single stack that is 35 feet tall to improve dispersion of gasoline emissions in the atmosphere. The permit was approved with changes based on public input on 9/10/2024. It was given PTI No. 52-15A.
Andrew Drury, Air Quality Division
DruryA@Michigan.gov
517-648-6663
1025 S. Oakwood Blvd.
Detroit, MI 48217
State Registration No.: A9831
Air Products submitted an application for a PTI requesting to add the new emission caps to their section of the ROP. The application was received on 9/1/2023. The company withdrew the application on 3/12/2024.
12700 Toronto Street
Detroit, MI 48217
State Registration No.: A9831
MPLX submitted an application for a PTI requesting to make a proposed Vapor Recovery Unit (VRU) stack change legally enforceable. MPLX proposed to combine the two existing VRU stacks, that are 20 feet tall, into a single stack that is 35 feet tall. The application was received on 9/1/2023. The company withdrew the application on 3/12/2024.
These permit applications are necessary to meet specific federal requirements to include sulfur dioxide (SO2) limits from the Federal Implementation Plan into Michigan's State Implementation Plan. Although the limits associated with these applications are already contained in the Federal Plan, they need to be incorporated into the facility permits to complete the state’s obligations. These are considered one action and were opened for comment when draft conditions were complete. The three air permits to install (PTIs) were approved on 9/26/2023.
2400 Miller Road
Dearborn, MI 48121
State Registration No. (SRN): N6631
Application No. APP-2023-0033 from Dearborn Industrial Generation, LLC was received on 1/30/2023. The application is to incorporate an SO2 emission limit required by USEPA's Detroit SO2 Federal Implementation Plan (FIP). The PTI was approved on 9/26/2023 and was given the PTI No. 109-23.
Janelle Trowhill, Air Quality Division
TrowhillJ1@Michigan.gov
517-582-5312
1400 Zug Island Road
Detroit, MI 48209
State Registration No. (SRN): P0408
Application No. APP-2022-0290 from EES Coke Battery, LLC was received on 11/9/2022. The application is to incorporate the SO2 Federal Implementation Plan (FIP) requirements for Boiler House #2. The PTI was approved on 9/26/2023 and was given the PTI No. 108-23.
Janelle Trowhill, Air Quality Division
TrowhillJ1@Michigan.gov
517-582-5312
1 Quality Drive
Ecorse, MI 48229
State Registration No. (SRN): A7809
Application No. APP-2023-0066 from U.S. Steel Corporation - Great Lakes Works was received on 2/13/2023. The PTI was approved on 9/26/2023 and was given the PTI No. 110-23.
Janelle Trowhill, Air Quality Division
TrowhillJ1@Michigan.gov
517-582-5312
