HARP Update

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August 11, 2021

HARP Update

The California Air Resources Board (CARB) has released updated health tables for the Hot Spots Analysis and Reporting Program (HARP) Air Dispersion Modeling and Risk Tool (ADMRT), Risk Assessment Standalone Tool (RAST), and the Emission Inventory Module (EIM).  A correction has been made to the health tables. The 8-hour chronic REL for arsenic compounds inorganic (POLID: 1016) was misapplied to arsenic compounds organic (POLID: 1017). This has now been fixed. This error does not impact arsenic (POLID: 7440382).  

To get the new health databases, select the “Help > Check for Updates” feature in the main menu of each program.  This feature will automatically download and update the health databases.

Please note the health databases contain health values for pollutants that are currently listed in the Emission Inventory Criteria and Guidelines.