The state Department of Agriculture proposes to raise hourly fees, selected unit fees, and to establish a sliding fee scale for export tonnage to offset increased Grain Inspection Program costs. Comments on the proposal will be heard at 1 p.m. May 22 in Room 205 of the Natural Resources Building, 1111 Washington St. S.E., Olympia. Written comments will be accepted until 5 p.m. May 22.