2137-AE53 201504 Unified Agenda of Federal Regulatory and Deregulatory Actions 2137 Pipeline and Hazardous Materials Safety Administration PHMSA 2100 Department of Transportation DOT Hazardous Materials: Safety Requirements for External Product Piping on Cargo Tanks Transporting Flammable Liquids (Wetlines) (MAP-21)

The rulemaking would amend the Hazardous Materials Regulations to prohibit flammable liquids (wetlines) from being transported in unprotected product piping on existing and newly manufactured DOT specification cargo tank motor vehicles. The GAO completed an audit on wetlines-related issues and published the final report on September 11, 2013. PHMSA is analyzing the safety and economic effects associated with the final rule, based on GAO’s findings. The agency will consider final regulatory action to address the risks posed by wetlines, based on the findings of its analysts.

]]> Other Significant Previously Published in The Unified Agenda Final Rule Stage No No 49 CFR 173 49 U.S.C. 5101 to 5128, 44701 49 CFR 1.45, 1.53 No NPRM 01/27/2011 76 FR 4847 NPRM Comment Period Extended 03/17/2011 76 FR 14643 NPRM Comment Period End 03/28/2011 NPRM Comment Period Extension End 04/27/2011 Final Rule 08/00/2015 HM-213D; SB - Y, IC - N, SLT - N; No Businesses None No Yes www.regulations.gov www.regulations.gov No No Dirk Der Kinderen Regulations Specialist 2137 Pipeline and Hazardous Materials Safety Administration PHMSA 202-366-8553 Dirk.DerKinderen@dot.gov 1200 New Jersey Avenue, SE, Washington DC 20590