The Federal Motor Carrier Safety Administration (FMCSA) has posted a recent update for anhydrous ammonia/nurse tank safety on its Web site at fmcsa.dot.gov.
The safety notices page also contains information about cargo tank rollovers taken from a study by the Battelle Memorial Institute, an international science and technology enterprise, and commissioned by joint efforts of FMCSA, the National Tank Truck Carriers, and the Pipeline and Hazardous Materials Safety Administration (PHMSA).