It should be noted that in the State of California, the California Regional Water Quality Control Board has derived "California SSLs" for a number of pathways including migration to groundwater. These are not included in the Region 9 PRGs table, but may be accessed at the following website:...
Users can add as many new size distributions as they want, as long as they increment the variable n_em_aero_ref to always equal the number of size distributions in the lookup array (desid_aero_ref).CMAQ will use the size distribution reference value linked to each emissions scaling ru...