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Regulationcurrent

49 CFR 173.1

Purpose and scope.

Current as of 2026-08-18 Government source

eCFR editorial compilationAuthoritative but unofficial

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(a)This part includes:#

(1)Definitions of hazardous materials for transportation purposes;#

(2)Requirements to be observed in preparing hazardous materials for shipment by air, highway, rail, or water, or any combination thereof; and#

(3)Inspection, testing, and retesting responsibilities for persons who retest, recondition, maintain, repair and rebuild containers used or intended for use in the transportation of hazardous materials.#

(b)A shipment of hazardous materials that is not prepared in accordance with this subchapter may not be offered for transportation by air, highway, rail, or water. It is the responsibility of each hazmat employer subject to the requirements of this subchapter to ensure that each hazmat employee is trained in accordance with the requirements prescribed in this subchapter. It is the duty of each person who offers hazardous materials for transportation to instruct each of his officers, agents, and employees having any responsibility for preparing hazardous materials for shipment as to applicable regulations in this subchapter.#

(c)In general, the Hazardous Materials Regulations (HMR) contained in this subchapter are based on the UN Recommendations and are consistent with international regulations issued by the International Civil Aviation Organization (ICAO Technical Instructions) and the International Maritime Organization (IMDG Code). However, the HMR are not consistent in all respects with the UN Recommendations, the ICAO Technical Instructions or the IMDG Code, and compliance with the HMR will not guarantee acceptance by regulatory bodies outside of the United States.#

Ascent Resources Utica, LLC — Hazardous Materials Safety Interpretation

Ventura County District Attorney's Office — Hazardous Materials Safety Interpretation

Hazmat Transportation Requirements PDF

Inmark Packaging — Hazardous Materials Safety Interpretation

Thermofisher — Hazardous Materials Safety Interpretation

Thermofisher — Hazardous Materials Safety Interpretation

Fuchs Lubricants Co. — Hazardous Materials Safety Interpretation

Hazmat Transportation Training Requirements

Pine — Hazardous Materials Safety Interpretation

Tri Tank Corporation — Hazardous Materials Safety Interpretation

Sampling and Testing Program for Unrefined Petroleum-Based Products

West Marine Products, Inc. — Hazardous Materials Safety Interpretation

HMT Associates, L.L.C. — Hazardous Materials Safety Interpretation

Dysol & MagChem — Hazardous Materials Safety Interpretation

Hazardous Materials Safety Interpretation 11-0217

Northern California Fire Mechanics Association — Hazardous Materials Safety Interpretation

Thermofisher — Hazardous Materials Safety Interpretation

AT&T — Hazardous Materials Safety Interpretation

Triumvirate Environmental, Inc. — Hazardous Materials Safety Interpretation

Duke Energy Corporation — Hazardous Materials Safety Interpretation

Marv Golden Pilot Supplies — Hazardous Materials Safety Interpretation

Honeywell Inc. — Hazardous Materials Safety Interpretation

BioStorage Technologies — Hazardous Materials Safety Interpretation

Ohio State Highway Patrol — Hazardous Materials Safety Interpretation

Duke Energy Corporation — Hazardous Materials Safety Interpretation

Air Liquide America Specialty Gases LLC — Hazardous Materials Safety Interpretation

PCS Sales USA, Inc. — Hazardous Materials Safety Interpretation

Edgcomb Law Group — Hazardous Materials Safety Interpretation

Edgcomb Law Group — Hazardous Materials Safety Interpretation

Bringham McCuchen LLP — Hazardous Materials Safety Interpretation

Reactives Management Corporation — Hazardous Materials Safety Interpretation

TEN-E Packaging Services, Inc. — Hazardous Materials Safety Interpretation

Mr. Brad Bockey — Hazardous Materials Safety Interpretation

Environmental Scientist URS Corporation — Hazardous Materials Safety Interpretation

Destileria Serrallés, Inc. — Hazardous Materials Safety Interpretation

Kansas Highway Patrol — Hazardous Materials Safety Interpretation

Elkem Metals, Inc. — Hazardous Materials Safety Interpretation

Applied Cleaning Technologies, Inc. — Hazardous Materials Safety Interpretation

The Jackson Laboratory-West — Hazardous Materials Safety Interpretation

URS Corporation — Hazardous Materials Safety Interpretation

Hazmat, Inc. — Hazardous Materials Safety Interpretation

Oregon Health and Science University — Hazardous Materials Safety Interpretation

Otto Environmental Systems — Hazardous Materials Safety Interpretation

Georgia Department of Public Safety — Hazardous Materials Safety Interpretation

MDM Ltd. & Black Mag Industries — Hazardous Materials Safety Interpretation

PSC Environmental Services, LLC — Hazardous Materials Safety Interpretation

North Carolina State Highway Patrol — Hazardous Materials Safety Interpretation

Environmental Outsource, Inc. — Hazardous Materials Safety Interpretation

Saint-Gobain Crystals — Hazardous Materials Safety Interpretation

URS Corporation — Hazardous Materials Safety Interpretation

Inmark, Inc. — Hazardous Materials Safety Interpretation

DCMA Phoenix — Hazardous Materials Safety Interpretation

Mr. Joseph A. Taranovich — Hazardous Materials Safety Interpretation

S.H. Bell Company — Hazardous Materials Safety Interpretation

Thermo Fisher Scientific Customer Channels Group — Hazardous Materials Safety Interpretation

Special Waste Disposal, Inc. — Hazardous Materials Safety Interpretation

International Biophysics Corporation (IBC) — Hazardous Materials Safety Interpretation

The Law Offices of Michael A. Capuzzi — Hazardous Materials Safety Interpretation

Climate Controlled Containers, Inc. — Hazardous Materials Safety Interpretation

PAML — Hazardous Materials Safety Interpretation

Henry Ford Hospital — Hazardous Materials Safety Interpretation

Hawkins, Inc. — Hazardous Materials Safety Interpretation

URS Corporation — Hazardous Materials Safety Interpretation

Southwest Electronic Energy Corp. — Hazardous Materials Safety Interpretation

Altair Nanotechnologies, Inc. — Hazardous Materials Safety Interpretation

Portable Rechargeable Battery Association — Hazardous Materials Safety Interpretation

Thermo Fisher Scientific — Hazardous Materials Safety Interpretation

Raytheon Missile Systems — Hazardous Materials Safety Interpretation

Washington Closure Hanford — Hazardous Materials Safety Interpretation

Invacare Corporation — Hazardous Materials Safety Interpretation

Interstate Battery System of America, Inc. — Hazardous Materials Safety Interpretation

Idaho State Police — Hazardous Materials Safety Interpretation

General Environmental Management, Inc. — Hazardous Materials Safety Interpretation

Triumvirate Environmental, Inc. — Hazardous Materials Safety Interpretation

SPT Technology, Inc. — Hazardous Materials Safety Interpretation

HAZ-MAT Transportation Services — Hazardous Materials Safety Interpretation

SAIC-Frederick, Inc. — Hazardous Materials Safety Interpretation

Lockheed Martin Missiles and Space Company — Hazardous Materials Safety Interpretation

NM Scientific Lab — Hazardous Materials Safety Interpretation

United States Coast Guard — Hazardous Materials Safety Interpretation