This document establishes a tolerance for combined residues of the herbicide 3,5-dichloro-N-(1,1-dimethyl-2-propynyl)benzamide (also known as pronamide) and its metabolites in or on the raw agricultural commodity radicchio greens (tops). The Interregional Research Project No. 4 (IR-4) submitted to EPA a petition requesting the maximum permissible level for residues of the herbicide.