3220-AB51 200804 Unified Agenda of Federal Regulatory and Deregulatory Actions 3220 Railroad Retirement Board RRB Listing of Impairments--Appendix 1 to Part 220 Other Significant Previously Published in The Unified Agenda Long-Term Actions No No 20 CFR 220 20 CFR 220, app 1 45 USC 231a 45 USC 231f No NPRM To Be Determined No No Federal No No No Not Collected Marguerite Dadabo P. 3220 Railroad Retirement Board RRB 312 751-4945 312 751-4701 312 751-7102 Office of General Counsel, 844 North Rush Street, Chicago IL 60611-2092