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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...
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 (...
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...
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...
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...
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 Federal Motor Carrier Safety Administration (FMCSA) is aware of hazardous materials (HM) incidents involving Anhydrous Ammonia (NH3) and Liquefied Petroleum Gas (LPG) occurring during the transfer of these materials from cargo tanks to storage tanks, and vice-versa. To reduce the likelihood...
The U.S. Department of Transportation’s Federal Motor Carrier Safety Administration (FMCSA) has declared Illinois-licensed truck driver Renato V. Velasquez to be an imminent hazard to public safety and ordered him not to operate any commercial motor vehicle in interstate commerce following a Jan...
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.