Holiday Office Closure

In observance of the Christmas holidays, Railroad Commission of Texas offices will be closed December 23-27. The offices will re-open at 8 a.m. on Monday, December 30 for regular business. Expedited Drilling Permits will be processed within standard processing times. If assistance is needed, please email Drillingpermits-info@rrc.texas.gov.
RRC maintains a 24-hour emergency phone line to report any leaks or spills. That number is 844-773-0305

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Vehicular Transportation of Liquefied Petroleum Gas

U.S. DOT Links:

U.S. DOT Hazardous Materials Transportation Regulations, 49 CFR Parts 100-185

U.S. DOT Federal Motor Carrier Safety Administration – Federal vehicle and operator regulations

U.S. DOT Federal Cargo Tank CT Number Search – Search engine to locate authorized CT registrants

Special Permits and Interpretations:

PHMSA Requalification Guidance for Propane Cylinders

PHMSA F5800 Instructions and Form (Haz Mat Registration)

PHMSA Special Permit DOT-SP 14689 (Cargo Tank Baffles)

PHMSA Interpretation 99-0248 (Internal Self-Closing Stop Valve)

PHMSA Interpretation 01-0154 (Delivery Hoses & Hose Assemblies)

PHMSA Interpretation 01-0285 (Flex Connectors in Piping System)

PHMSA Interpretation 02-0005 (Both Passive & Remote Shutoff Not Required)

PHMSA Interpretation 05-0195 (Rubber Hose Flex Connectors)

PHMSA Interpretation 06-0172 (Emergency Discharge Controls)

PHMSA Interpretation 06-0235 (Non-Odorized or Not-Odorized Lettering Requirements)

PHMSA  Special Permit 11209 (Non-DOT Specification Cargo Tanks for Agricultural Purposes)

PHMSA Special Permit 13341 (One-Way Transp. of LP-Gas in Commerce: more than 5% Rule)

General Information and Checklists:

Cargo Tank Motor Vehicles Checklist

Cylinder Delivery/Trailers Checklist

Moveable fuel storage tenders - Code of Federal Regulations: 49 CFR 173.5(d)

Movable Fuel Storage Containers, Including Farm Carts Checklist

Transportation of Containers To and From Point of Installation Checklist



Commissioners