General
PHMSA Innovation Showcase
Wednesday, May 20, 2026Agenda8:00 a.m. Doors Open (DOT HQ West Building)
8:30 a.m. Welcome Remarks Paul Roberti, Administrator, PHMSA ...
FY 2026 Q2 FOIA Log
FY 2026 Q2 FOIA Log
FY 2026 Q1 FOIA Log
FY 2026 Q1 FOIA Log
Hazardous Matters April – June 2026

"Hazardous Matters" is the quarterly newsletter for PHMSA's Office of Hazardous Materials Safety (OHMS). As always, it is packed with the latest news, expert tips, and essential insights for the safe handling and shipment of hazardous materials. Stay informed, stay safe!
Nurse Tank Testing: A Non-Destructive Approach to Improve Nurse Tank Safety
This brochure provides several non-destructive testing options to enhance safety pertaining to nurse tanks containing anhydrous ammonia. These testing options include periodic visual, thickness, pressure, radiographic, or ultrasonic testing.
PHMSA Audit Related Documents and Correspondence
Document Type
Issue Date
PHMSA Audit Engagement Letter: TAG Grant - Pipeline Safety TrustJune 26, 2025Compliance Review: PHMSA TAG Grant - Pipeline Safety Trust
November 3, 2025...