1219-AB36 200310 The Regulatory Plan and the Unified Agenda of Federal Regulatory and Deregulatory Actions 1219 Mine Safety and Health Administration MSHA 1200 Department of Labor DOL Respirable Crystalline Silica Standard Other Significant First Time Published in The Unified Agenda Prerule Stage Undetermined No 30 CFR 70 30 CFR 71 30 CFR 90 30 CFR 72 30 CFR 58 ... 30 USC 811 30 USC 813 No ANPRM 05/00/2004 Undetermined None No Yes NA Not Collected Marvin Nichols W. Jr. 1219 Mine Safety and Health Administration MSHA 202 693-9440 202 693-9441 nichols-marvin@dol.gov Room 2352, 1100 Wilson Boulevard, Room 2350, Arlington VA 22209