HARP Update

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August 2, 2024

HARP Update

CEIDARS Utility Database Update for the EIM


The California Air Resources Board (CARB) has released an updated California Emission Inventory Development and Reporting System (CEIDARS) Utility Database for the Hot Spots Analysis and Reporting Program (HARP) Emission Inventory Module (EIM). The information in the CEIDARS Utility Database is used to assist with data entry and quality assurance. The updates in the database are consistent with information as described in the 2024 Emission Inventory Reporting Guidelines for Air Districts. The following table has been updated:

  • EQSIZEUNIT - Equipment Size Units. Updated to reflect updated made by the U.S. EPA. 

To get the new CEIDARS Utility Database, select “Help > Check for Updates” feature in the main menu of the program. This feature will automatically download and update the CEIDARS Utility Database. Item name will be 'CEIDARSTables082024.mdb.' Restart the HARP EIM and then open your project file. When your project opens, you will then be prompted to use the latest CEIDARS Utility Database. Select "Yes" to begin using the new CEIDARS Utility Database.

If you have questions regarding the updates in the CEIDARS Utility Database, please email emission inventory staff at eibweb@arb.ca.gov.