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Carrier Safety

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Unauthorized Cargo Tanks Used to Transport Hazardous Materials

This is to notify the public that certain specification DOT 407 and DOT 412 cargo tank motor vehicles manufactured by Prairie State Equipment, doing business as Petro Steel, in Mitchell, SD, are not authorized for the transportation of hazardous materials unless the original accident damage...

Cargo Tank Failure, Charleston, WV

About 11:36 a.m. on January 5, 2002, a tractor pulling a cargo tank semitrailer departed the plant entrance and the trailer catastrophically failed. This failure occurred in the void area between the first and second tank, and the trailer broke into two pieces.

Welded Repairs on Nurse Tanks

Catastrophic results can occur when unauthorized repairs are performed on high pressure vessels transporting anhydrous ammonia (NH3). An improper weld on a nurse tank was a factor in a nurse tank failure that occurred on April 15, 2003 near Calamus, IA. resulting in one fatality and one serious...

Cargo Tank Roll Stability Study Final Report April 2007

Rollovers are among the most serious crashes of cargo tank motor vehicles carrying hazardous materials. They are more likely to be fatal to the driver of the vehicle than other crashes, and they can cause spills and necessitate highway closures. The Federal Motor Carrier Safety Administration (...

HM Cargo Tank Rollover - Safety News

You might be surprised to learn that according to a recent study conducted for the U. S. Department of Transportation, only about 7% of cargo tank rollovers occur on exit ramps. Eight times as many rollovers occur on straight roadways, often when a driver “over-corrects” after dropping a wheel...

Classification and Package Selection of Hazardous Materials

The Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180) apply to any person who offers for transportation or transports HM in commerce. A third party who performs regulated HMR functions on behalf of, or under contract to an offeror, carrier, or other regulated entity meets the...

Nurse Tank Safety Advisory

Based on eight (8) recent enforcement investigations, conducted by the U.S. Department of Transportation, Pipeline and Hazardous Materials Safety Administration (PHMSA), Office of Hazardous Materials Enforcement (OHME), this letter is intended to notify the industry of serious safety problems...

Important Notice Regarding Trinity Manufactured MC 331 Tanks

This notice is to inform you of the U.S. Department of Transportation (DOT) Special Permit (SP) 1-1-689, issued by the Pipeline and Hazardous Materials Safety Administration (PHMSA), to Trinity Industries. The SP allows the continued use in transportation of DOT specification MC 331 cargo tanks...

The Motor Carrier Safety Planner

The Motor Carrier Safety Planner is an online guide, created and maintained by FMCSA, that makes it easy for companies that operate commercial motor vehicles (CMVs) to understand and comply with the Federal Motor Carrier Safety Regulations (FMCSRs).

The Safety Planner is...