2137-AE91 201210 The Regulatory Plan and the Unified Agenda of Federal Regulatory and Deregulatory Actions 2137 Pipeline and Hazardous Materials Safety Administration PHMSA 2100 Department of Transportation DOT Hazardous Materials: Rail Petitions and Recommendations to Improve the Safety of Railroad Tank Car Transportation (RRR) Other Significant First Time Published in The Unified Agenda Prerule Stage Undetermined No 49 CFR 173 49 CFR 174 49 CFR 178 49 CFR 179 49 USC 5101 et seq No ANPRM 02/00/2013 HM-251; Includes Retrospective Review under E.O. 13563. Undetermined No Undetermined Undetermined No www.regulations.gov www.regulations.gov No No Lad Falat 2137 Pipeline and Hazardous Materials Safety Administration PHMSA 202 366-4545 lad.falat@dot.gov 1200 New Jersey Avenue SE, Washington DC 20590