This document establishes time-limited tolerances for residues of the insecticide avermectin B<INF>1 and its delta-8,9-isomer in or on the raw agricultural commodities dried hops and cattle fat. The regulation to establish maximum permissible levels for residues of the insecticide was requested in a petition submitted by the Interregional Research Project No. 4 (IR-4). The time-limited tolerances for dried hops and cattle expire on April 30, 1996.