Point Source Air Emission Inventory

Agency: Environmental Quality

Michigan Air Emissions Reporting System (MAERS) Point Source Air Emissions Inventory: 1990-2010

The following is a brief description of the available emissions inventory data.

The Michigan Air Pollution Reporting System (MAPRS) for 1990 through 1997, including the MAPRS format and support documentation such as the data dictionary, is available in a zipped MS Access 2010 database by submitting a FOIA request to the DEQ FOIA Coordinator.

The Michigan Air Emissions Reporting System (MAERS) for 1998 through 2005 MS Access 2010 database is in the USEPA National Emissions Format (NIF) 3.0 and available by submitting a FOIA request to the DEQ FOIA Coordinator; and a separate download file with support documentation such as the NIF codes and data formats is available for download as zipped files.

The complete 2005, 2006, and 2007 Michigan DEQ AQD point source emissions inventory as submitted to USEPA in NIF 3.0 format is also available for download in a zipped MS Acccess 2000 database. The complete 2008 MIchigan DEQ AQD point source emissions inventory as submitted to USEPA in EIS Staging Table format is also available for download in a zipped MS Access 2003 database. Please see the "Read Me" documentation files provided with each downloaded zipped file.

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