PHMSA Clarifies Organic-Peroxide Tank Limits and Caustic-Soda Residue Rules
An October 6 PHMSA interpretation rejects two claimed quantity caps while preserving filling restrictions and hazardous-residue transportation requirements.
Tagged: PHMSA
PHMSA Opens a New Construction and Service Path for Cargo Tanks
PHMSA’s new ASME Section XII option ties cargo-tank construction to a defined inspection and repair framework. Here is what fleets, manufacturers and service shops need to evaluate before choosing it.
PHMSA’s 16 Final Rules: What Tank Fleets Need to Know Before September 3
PHMSA published 16 separate final rules on August 4. Tank fleets now have three effective dates and a narrow set of digital-record, special-permit, IBC and unloading changes to implement.
Microreactor Truck Shipments: NRC’s Fivefold Radiation Proposal Meets DOT Reality
NRC’s proposed fivefold radiation limit could reduce shielding on certain transportable reactor packages, but DOT permits, Level VI inspections, route plans and specialized carrier controls would remain.
2026 Hazmat Violations Reveal 5 Preventable Roadside Failures
FMCSA’s midyear data show that securement, registration proof, shipping papers and placards remain the leading hazmat roadside failures—and most can be caught before dispatch.
PHMSA Tank Special Permits Put Composite Portable Tanks and MC 331 Design to the Test
wo PHMSA tank special permits could open paths for carbon-fiber portable tanks and Section XII MC 331 trailers—but neither is approved yet.
Texas CDL English Rule: 9 Critical Compliance Shifts for Drivers and Fleets
The Texas CDL English rule is moving English proficiency from a background qualification standard into licensing, roadside inspection, out-of-service risk, hazmat communication, and fleet compliance.
Texas Petroleum Theft Surge: 9 Critical Risks Driving a Dangerous Cargo-Tank Crackdown
Texas petroleum theft has become a transport-security issue involving unauthorized vacuum trucks, suspicious tickets, pipeline fires, cargo tank inspections, and Texas STOPTheft enforcement reforms.
EV Hazmat Transport Risks: 7 Key Questions in PHMSA’s Federal Review
EV hazmat transport risks are now at the center of a live federal review. Here is what PHMSA, truck makers, safety investigators, and charging developers have updated on heavy-duty electric trucks carrying hazardous materials.
Cargo Tank Compliance Faces 2 Critical PHMSA Clarifications for MC 331 Fleets
Cargo tank compliance for MC 331 fleets and LPG shops just got more complicated after two 2026 PHMSA interpretations on inspection frequency and leakage-test paperwork.
