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DOT/PHMSA RIN: 2137-AE80 Publication ID: Fall 2016 
Title: Hazardous Materials: Miscellaneous Amendments Pertaining to DOT-Specification Cylinders (RRR) 
Abstract: This rulemaking would propose revisions to certain requirements of the Hazardous Materials Regulations (HMR) applicable to the manufacture, maintenance, and use of DOT specification cylinders. These revisions would clarify certain important safety requirements, incorporate industry consensus standards and, where appropriate, decrease the regulatory burden without compromising the safe transportation of compressed gases in commerce. This rulemaking responds to eleven petitions for rulemaking, incorporates two special permits into the HMR, and addresses the National Transportation Safety Board (NTSB) Recommendation I-93-1. Among other provisions, PHMSA is expected to put forth proposals to address fire suppression systems, clarification of cylinder specification and requalification requirements, and adoption of new and update current incorporations by reference of industry consensus standards issued by the Compressed Gas Association. 
Agency: Department of Transportation(DOT)  Priority: Substantive, Nonsignificant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 49 CFR 171    49 CFR 172    49 CFR 173    49 CFR 178    49 CFR 180    49 CFR 107   
Legal Authority: 49 U.S.C. 5101-5128   
Legal Deadline:  None
Action Date FR Cite
ANPRM  05/29/2012  77 FR 31551   
ANPRM Comment Period End  08/27/2012 
NPRM  07/26/2016  81 FR 48977   
NPRM Comment Period End  09/26/2016 
Final Action  08/00/2017 
Additional Information: HM-234; SB - Y, IC - N, SLT - N; PHMSA anticipates that this NPRM will generally reduce burdens for most stakeholders and eliminate the need to apply for special permits, as three special permits may be incorporated and lower paperwork burden. Other benefits include simplifying hazard communication requirements and increased filling density for certain gases leading to potentially fewer vehicle trips. A future rulemaking may result in a decrease in the annual burden and costs under certain OMB Control Numbers.
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Information URL:   Public Comment URL:  
RIN Data Printed in the FR: No 
Agency Contact:
Eileen Edmonson
Transportation Regulations Specialist
Department of Transportation
Pipeline and Hazardous Materials Safety Administration
1200 New Jersey Avenue, SE,
Washington, DC 20590