The 2016 Minor Source Emission Inventory (MSEI) is required for portable plants and facilities in the central third of the state by May 15, 2017.

SLEISTo help get started, the Iowa Department of Natural Resources is hosting four training sessions throughout the next month to provide training on the State & Local Emission Inventory System (SLEIS) web-based application that allows permitted facilities to compile and submit emissions inventory data.

Training Schedule

Cedar Rapids
Tuesday, January 31, 2017

Des Moines
Thursday, February 2, 2017

Cedar Rapids
Tuesday, February 7, 2017

Des Moines
Thursday, February 9, 2017

Additional Minor Source Emissions Inventory Assistance

In additional to training, if you need help understanding and completing the requirements, the IWRC's Iowa Air Emissions Assistance Program provides free assistance to businesses with 100 or fewer employees. Visit for resources, tutorials, calculators and even scheduling a one-on-one training session.


Lea HenselAbout the Author
Lea Hensel
Marketing Coordinator
Iowa Waste Reduction Center, Business and Community Services

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