General

Legacy ID

PD-31(F): District of Columbia Ordinance prohibiting transportation of certain quantities of explosives, flammable gases, poisonous gases and other materials within the Capitol Exclusion Zone

PD-31F Preemption DescriptionPD and Docket Number ApplicantSubjectRulingDecision

PD-31(F)FMCSA-2005-20930

American Trucking Associations, Inc.

District of Columbia requirements for highway routing of certain hazardous materials

Ordinance prohibiting transportation of certain...

PD-30R Preemption DescriptionPD and Docket Number ApplicantSubjectRulingDecision

PD-30(R)PHMSA-RSPA-2003-16456

Societé Air France

Houston, Texas Fire Code requirements on in-transit storage at airport.

Federal law preempts permit requirement based on submission of a...

PD-29R Preemption DescriptionPD and Docket Number ApplicantSubjectRulingDecision

PD-29(R)PHMSA-RSPA-2002-13481

Medical Waste Institute

Massachusetts regulations on storage and disposal of infectious or physically dangerous medical or biological waste.

Different requirements for...

PD-28R Preemption DescriptionPD and Docket Number ApplicantSubjectRulingDecision

PD-28(R)PHMSA-RSPA-2001-10293

Town of Smithtown, New York

Town of Smithtown requirements for permits and certificates of fitness for delivery of LPG, including fees and inspections.

Permit...

PD-27R Preemption DescriptionPD and Docket Number ApplicantSubjectRulingDecision

PD-27(R)PHMSA-RSPA-2000-7906

ATOFINA Chemicals, Inc.

Louisiana requirements for hazardous materials incident notification

Immediate telephone notification requirement is not preempted; written...