An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
PD-12(R)PHMSA-RSPA-1003-14670
Chemical Waste Transportation Institute
New York regulations re transfer and interim storage of hazardous waste.
State regulations prohibiting repackaging hazardous waste and requiring...
"Four-Pack"PHMSA-RSPA-2000-7486 & 1998-4952
PD-9(R)HASA, Inc.
PD-8, 10, 11(R)Swimming PoolChemical Manufacturers Assn.
California & Los Angeles County requirements applicable to on-site...
PD-7(R)PHMSA-RSPA-2003-14666
Chemical Waste Transportation Institute & National Tank Truck Carriers, Inc.
Maryland regulations re hazardous materials drivers' training and certification requirements
Training and...
PD-6(R)PHMSA-RSPA-2000-4952-216 to -224 & 7486-16 to 24)
Chemical Waste Transportation Institute
Michigan statute and regulations re marking of motor vehicles carrying hazardous and liquid industrial wastes
State...
PD-5(R)PHMSA-RSPA-2003-14661
National Tank Truck Carriers, Inc.
Massachusetts requirement for back-up alarm on tank trucks carrying flammable liquids
State tank truck back-up alarm requirement applicable only to in-state...
PD-4(R)PHMSA-RSPA-2003-14619
Nalco Chemical Company
California statute and regulations re flammable and combustible liquids transportation
State annual inspection requirement which causes delay is preempted ...
PD-3(F)PHMSA-RSPA-2003-14612
Oregon Dept. Of Energy
Washington RAM highway routing restrictions
State restrictions on locations where trucks hauling RAM may enter the State are preempted, under "dual compliance...
PD-2(R)PHMSA-RSPA-2003-14609
Chemical Waste Transportation Institute
Illinois EPA hazardous waste manifest
State hazardous waste manifest requirements are preempted, under the "substantively the same" test...
PD-1(R)PHMSA-RSPA-2003-14602
National Solid Wastes Management Assn.
Massachusetts, Maryland, & Pennsylvania hazardous waste vehicle bonding requirements
State bonding requirements for vehicles transporting hazardous...