49 CFR 172.602: Emergency response information for hazardous materials
Last reviewed: October 14, 2026
This section defines emergency response information as information usable in mitigating a hazardous materials incident. It sets minimum content and form. It requires carriers and facility operators to maintain the information so it is immediately accessible.
Applies toCarriers who transport a hazardous material and operators of facilities where a hazardous material is received, stored or handled during transportation.
What it says
Emergency response information must include, at a minimum, the basic description and technical name of the hazardous material, as required by the sections and instruments the text names, as appropriate.
49 CFR 172.602(a)(1)“The basic description and technical name of the hazardous material as required by §§ 172.202 and 172.203(k), the ICAO Technical Instructions, the IMDG Code, or the TDG Regulations, as appropriate”
Emergency response information must also contain immediate hazards to health and risks of fire or explosion.
49 CFR 172.602(a)(2)“Immediate hazards to health;”
The information must include initial methods for handling spills or leaks in the absence of fire.
49 CFR 172.602(a)(6)“Initial methods for handling spills or leaks in the absence of fire; and”
The information must be printed legibly in English, either in hard copy on paper or in electronic format.
49 CFR 172.602(b)(1)“Printed legibly in English (either in hard copy printed on paper or in electronic format);”
The information must be available for use away from the package containing the hazardous material.
49 CFR 172.602(b)(2)“Available for use away from the package containing the hazardous material; and”
Each carrier who transports a hazardous material must maintain the information in the same manner as shipping papers, with the stated exceptions for aircraft and vessels.
49 CFR 172.602(c)(1)“Each carrier who transports a hazardous material shall maintain the information specified in paragraph (a) of this section and § 172.606 of this part in the same manner as prescribed for shipping papers”
A carrier's information must be immediately accessible to train crew personnel, drivers of motor vehicles, flight crew members, and bridge personnel on vessels for use in incidents involving hazardous materials.
49 CFR 172.602(c)(1)“This information must be immediately accessible to train crew personnel, drivers of motor vehicles, flight crew members, and bridge personnel on vessels for use in the event of incidents involving hazardous materials.”
Each facility operator must maintain the information whenever the hazardous material is present, in a location immediately accessible to facility personnel in the event of an incident.
49 CFR 172.602(c)(2)“This information must be in a location that is immediately accessible to facility personnel in the event of an incident involving the hazardous material.”
Common questions
What is emergency response information under 49 CFR 172.602?
It is information that can be used in the mitigation of an incident involving hazardous materials. It must contain, as a minimum, the items listed in paragraph (a).
“the term “emergency response information” means information that can be used in the mitigation of an incident involving hazardous materials”
Does emergency response information have to be in English?
Yes. It must be printed legibly in English, either in hard copy on paper or in electronic format.
“Printed legibly in English (either in hard copy printed on paper or in electronic format);”
Can a material safety data sheet be used for emergency response information?
Yes, as an example of a document other than a shipping paper. It must include both the basic description and technical name and the emergency response information required by this subpart.
“that includes both the basic description and technical name of the hazardous material as required by §§ 172.202 and 172.203(k)”
Where must facility operators keep emergency response information?
They must keep it in a location immediately accessible to facility personnel in the event of an incident involving the hazardous material.
“This information must be in a location that is immediately accessible to facility personnel in the event of an incident involving the hazardous material.”
The text of 49 CFR 172.602
Electronic Code of Federal Regulations (eCFR), current as of September 3, 2026 · Read it on eCFR
Emergency response information
(a) Information required. For purposes of this subpart, the term “emergency response information” means information that can be used in the mitigation of an incident involving hazardous materials and, as a minimum, must contain the following information:
(1) The basic description and technical name of the hazardous material as required by §§ 172.202 and 172.203(k), the ICAO Technical Instructions, the IMDG Code, or the TDG Regulations, as appropriate (IBR, see § 171.7 of this subchapter);
(2) Immediate hazards to health;
(3) Risks of fire or explosion;
(4) Immediate precautions to be taken in the event of an accident or incident;
(5) Immediate methods for handling fires;
(6) Initial methods for handling spills or leaks in the absence of fire; and
(7) Preliminary first aid measures.
(b) Form of information. The information required for a hazardous material by paragraph (a) of this section must be:
(1) Printed legibly in English (either in hard copy printed on paper or in electronic format);
(2) Available for use away from the package containing the hazardous material; and
(3) Presented—
(i) On a shipping paper;
(ii) In a document, other than a shipping paper, that includes both the basic description and technical name of the hazardous material as required by §§ 172.202 and 172.203(k), the ICAO Technical Instructions, the IMDG Code, or the TDG Regulations, as appropriate, and the emergency response information required by this subpart (e.g., a material safety data sheet); or
(iii) Related to the information on a shipping paper, a written notification to pilot-in-command, or a dangerous cargo manifest, in a separate document (e.g., an emergency response guidance document), in a manner that cross-references the description of the hazardous material on the shipping paper with the emergency response information contained in the document. Aboard aircraft, the ICAO “Emergency Response Guidance for Aircraft Incidents Involving Dangerous Goods” and, aboard vessels, the IMO “Emergency Procedures for Ships Carrying Dangerous Goods”, or equivalent documents, may be used to satisfy the requirements of this section for a separate document.
(c) Maintenance of information. Emergency response information shall be maintained as follows:
(1) Carriers. Each carrier who transports a hazardous material shall maintain the information specified in paragraph (a) of this section and § 172.606 of this part in the same manner as prescribed for shipping papers, except that the information must be maintained in the same manner aboard aircraft as the notification of pilot-in-command, and aboard vessels in the same manner as the dangerous cargo manifest. This information must be immediately accessible to train crew personnel, drivers of motor vehicles, flight crew members, and bridge personnel on vessels for use in the event of incidents involving hazardous materials.
(2) Facility operators. Each operator of a facility where a hazardous material is received, stored or handled during transportation, shall maintain the information required by paragraph (a) of this section whenever the hazardous material is present. This information must be in a location that is immediately accessible to facility personnel in the event of an incident involving the hazardous material.
Sections it refers to
The plain-English explanation on this page was written with AI from the regulation text above and checked automatically before publishing: every quote appears in the text, every number comes from it, and a second model confirmed each statement adds nothing the text doesn't say. Regulation text current as of September 3, 2026. The regulation text governs. RegKnot is not affiliated with the U.S. Coast Guard.