General
PHMSA Takes Action in Response to Magnitude 7.0 Earthquake in Alaska
PHMSA is continuing to monitor and respond to the effects of a magnitude 7.0 earthquake near Anchorage, Alaska to understand its potential effects on hazardous materials and pipeline operations. This webpage provides critical information regarding PHMSA's pipeline and hazardous...
Contact Us
Office of Pipeline Safety Accident Investigation Division (AID)National Pipeline Incident Coordinator Toll-Free 888-719-9033 PHMSAAccidentInvestigationDivision@DOT.GOV
Director – Accident Investigation Division Chris Ruhl
Operations Supervisor Ky Nichols
...
Pipeline Failure Causes
CorrosionExternal CorrosionInternal CorrosionStress Corrosion Cracking (SCC)Selective Seam Corrosion (SSC)Excavation DamageNatural Force DamageOther Outside Force DamageMaterial/Weld FailureEquipment FailureIncorrect OperationWhat is the difference between an accident and an incident?
As...
U.S. DOT Announces Final Rule to Enhance Public Safety by Expanding Natural Gas Transportation in Plastic Pipelines
WASHINGTON – The U.S. Department of Transportation’s Pipeline and Hazardous Materials Safety Administration (PHMSA) today announced the issuance of a Final Rule that amends the Federal Pipeline Safety Regulations for plastic piping systems used in the transportation of natural or other gas...