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152 

49 CFR Ch. I (10–1–23 Edition) 

§ 172.1 

172.420

FLAMMABLE SOLID label. 

172.422

SPONTANEOUSLY COMBUSTIBLE 

label. 

172.423

DANGEROUS WHEN WET label. 

172.426

OXIDIZER label. 

172.427

ORGANIC PEROXIDE label. 

172.429

POISON INHALATION HAZARD 

label. 

172.430

POISON label. 

172.431

[Reserved] 

172.432

INFECTIOUS SUBSTANCE label. 

172.436

RADIOACTIVE WHITE-I label. 

172.438

RADIOACTIVE YELLOW-II label. 

172.440

RADIOACTIVE YELLOW-III label. 

172.441

FISSILE label. 

172.442

CORROSIVE label. 

172.444

[Reserved] 

172.446

CLASS 9 label. 

172.447

LITHIUM BATTERY label. 

172.448

CARGO AIRCRAFT ONLY label. 

172.450

EMPTY label. 

Subpart F—Placarding 

172.500

Applicability of placarding require-

ments. 

172.502

Prohibited and permissive 

placarding. 

172.503

Identification number display on 

placards. 

172.504

General placarding requirements. 

172.505

Placarding for subsidiary hazards. 

172.506

Providing and affixing placards: 

Highway. 

172.507

Special placarding provisions: High-

way. 

172.508

Placarding and affixing placarding: 

Rail. 

172.510

Special placarding provisions: Rail. 

172.512

Freight containers and aircraft unit 

load devices. 

172.514

Bulk packagings. 

172.516

Visibility and display of placards. 

172.519

General specifications for placards. 

172.521

DANGEROUS placard. 

172.522

EXPLOSIVES 1.1, EXPLOSIVES 1.2 

and EXPLOSIVES 1.3 placards. 

172.523

EXPLOSIVES 1.4 placard. 

172.524

EXPLOSIVES 1.5 placard. 

172.525

EXPLOSIVES 1.6 placard. 

172.526

[Reserved] 

172.527

Background requirements for cer-

tain placards. 

172.528

NON-FLAMMABLE GAS placard. 

172.530

OXYGEN placard. 

172.532

FLAMMABLE GAS placard. 

172.536

[Reserved] 

172.540

POISON GAS placard. 

172.542

FLAMMABLE placard. 

172.544

COMBUSTIBLE placard. 

172.546

FLAMMABLE SOLID placard. 

172.547

SPONTANEOUSLY COMBUSTIBLE 

placard. 

172.548

DANGEROUS WHEN WET placard. 

172.550

OXIDIZER placard. 

172.552

ORGANIC PEROXIDE placard. 

172.553

[Reserved] 

172.554

POISON placard. 

172.555

POISON INHALATION HAZARD 

placard. 

172.556

RADIOACTIVE placard. 

172.558

CORROSIVE placard. 

172.560

CLASS 9 placard. 

Subpart G—Emergency Response 

Information 

172.600

Applicability and general require-

ments. 

172.602

Emergency response information. 

172.604

Emergency response telephone num-

ber. 

172.606

Carrier information contact. 

Subpart H—Training 

172.700

Purpose and scope. 

172.701

Federal-State relationship. 

172.702

Applicability and responsibility for 

training and testing. 

172.704

Training requirements. 

Subpart I—Safety and Security Plans 

172.800

Purpose and applicability. 

172.802

Components of a security plan. 

172.804

Relationship to other Federal re-

quirements. 

172.820

Additional planning requirements 

for transportation by rail. 

172.822

Limitation on actions by states, 

local governments, and Indian tribes. 

A

PPENDIX

TO

P

ART

172—O

FFICE OF

H

AZ

-

ARDOUS

M

ATERIALS

T

RANSPORTATION

 

C

OLOR

T

OLERANCE

C

HARTS AND

T

ABLES

 

A

PPENDIX

TO

P

ART

172—T

REFOIL

S

YMBOL

 

A

PPENDIX

TO

P

ART

172—D

IMENSIONAL

S

PEC

-

IFICATIONS

FOR

R

ECOMMENDED

P

LACARD

 

H

OLDER

 

A

PPENDIX

TO

P

ART

172—R

AIL

R

ISK

A

NAL

-

YSIS

F

ACTORS

 

A

UTHORITY

: 49 U.S.C. 5101–5128, 44701; 49 

CFR 1.81, 1.96 and 1.97. 

S

OURCE

: Amdt. 172–29, 41 FR 15996, Apr. 15, 

1976, unless otherwise noted. 

Subpart A—General 

§ 172.1

Purpose and scope. 

This part lists and classifies those 

materials which the Department has 
designated as hazardous materials for 
purposes of transportation and pre-
scribes the requirements for shipping 
papers, package marking, labeling, and 
transport vehicle placarding applicable 
to the shipment and transportation of 
those hazardous materials. 

[Amdt. 172–29, 41 FR 15997, Apr. 15, 1976, as 
amended by 66 FR 45379, Aug. 28, 2001]