This definition appears very rarely
Samples in periodicals archive:
U.S. Department of Transportation Research and Special Programs Administration FEDERAL HAZARDOUS MATERIALS TRANSPORTATION LAW OCTOBER 1994
PHMSA is revising the references in its regulations to the maximum and minimum civil penalties for a knowing violation of the Federal hazardous material...
FEDERAL HAZMAT LAW. FEDERAL HAZARDOUS MATERIALS TRANSPORTATION LAW An Overview. U.S. Department of Transportation Pipeline and Hazardous Materials