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Graymont Rexton Facility (MI) LLC

1. Facility Information

2. Location

46.193452, -85.119178, Caffey, Hendricks Township MI

3. Distance from US/Canada Border

About 88 km via auto

4. Facility Type and Size

Lime manufacturing

5. Sources of Emissions

limestone crushing, Lime kilns, outdoor stockpiles, storage silos

6. Type of Fuel

natural gas, diesel fuel for emergency engine use only

7. Type and Quantity of Emissions

CO 258.4 tpy; PM10 82.0 tpy; PM 2.5 116.6 tpy; NOx 131.4 tpy; VOC 33.3 tpy; SO2 14.3 tpy; CO2e 632,045 tpy; lead 0.0006 tpy.

8. Emission Control Technology

low NOx burners for NOx control and dust collection baghouse for particulate matter.

9. Date Permit Application Received

2/14/22

10. Permit Agency Contact

Cindy Smith

Permit Section Manager

Air Quality Division

Michigan Department of Environment, Great Lakes, and Energy

517-284-6803 | SMITHC17@michigan.gov

Graymont Rexton Facility (MI) LLC