[Header] PHMSA - U.S. Department of Transportation - Pipeline and Hazardous materials Safety Adminis
Careers | Contact Us | FAQs | Site Map spacer
Advanced Search
For the Public
 		 Hazmat Safety Community Pipeline Safety Community Briefing Room
 		 Doing Business with PHMSA
 
  • About Us
  • Calendar
  • Contact Us
  • Data & Statistics
  • Drug & Alcohol Testing
  • Enforcement
  • Federal and State Partners
  • Initiatives
  • Inspection
  • Integrity Management Program (IMP)
  • Library
  • NTSB Safety Recommendations
  • Online Data Entry
  • Stakeholder Communications
  • Standards & Rulemakings
  • Research & Development
  • Security
  • State Programs
  • Technical Advisory Committees
  • Inspector Training & Qualifications Division
    •  
    PHMSA Home
    Home  »  Pipeline Safety Community  »  Regulations  »  Rulemaking  »  Rulemaking Archives

    OPS-13

    Transportation of natural and other gas by Pipeline Minimum Federal Safety Standards:  Modification of Pressure Relief Limitations

    Publish Date Status Effective Date
    		 Federal Register Citation
    Nov 4, 1972 Final Rule Nov 4, 1972   37 FR 20826 (37 FR 20826)
    Dec 18, 1971 NPRM   36 FR 24075 (36 FR 24075)
    Nov 16, 1971 NPRM   36 FR 21834 (36 FR 21834)
    Careers  |  Contact Us  |  No Fear  |  Privacy Policy  |  FOIA  |  Accessibility  |  FAQs  |  Web Policies  |  Site Map  |  Download Acrobat