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Pipeline and Haz. Matls. Safety Admin., DOT 

§ 172.800 

(2) The most recent training comple-

tion date of the hazmat employee’s 

(3) A description, copy, or the loca-

tion of the training materials used to 
meet the requirements in paragraph (a) 
of this section; 

(4) The name and address of the per-

son providing the training; and 

(5) Certification that the hazmat em-

ployee has been trained and tested, as 
required by this subpart. 



The following limita-

tions apply: 

(1) A hazmat employee who repairs, 

modifies, reconditions, or tests pack-
agings, as qualified for use in the 
transportation of hazardous materials, 
and who does not perform any other 
function subject to the requirements of 
this subchapter, is not subject to the 
training requirement of paragraph 
(a)(3) of this section. 

(2) A railroad maintenance-of-way 

employee or railroad signalman, who 
does not perform any function subject 
to the requirements of this subchapter, 
is not subject to the training require-
ments of paragraphs (a)(2), (a)(4), or 
(a)(5) of this section. 

[Amdt. 172–126, 57 FR 20952, May 15, 1992, as 
amended by Amdt. 172–126, 58 FR 5851, Jan. 
22, 1993; Amdt. 172–145, 60 FR 49110, Sept. 21, 
1995; Amdt. 172–149, 61 FR 27173, May 30, 1996; 
65 FR 50460, Aug. 18, 2000; 68 FR 14521, Mar. 
25, 2003; 70 FR 73164, Dec. 9, 2005; 73 FR 4716, 
Jan. 28, 2008; 73 FR 57005, Oct. 1, 2008; 75 FR 
10988, Mar. 9, 2010; 76 FR 56314, Sept. 13, 2011; 
78 FR 15326, Mar. 11, 2013; 80 FR 72923, Nov. 
23, 2015] 

Subpart I—Safety and Security 




: 68 FR 14521, Mar. 25, 2003, unless 

otherwise noted. 

§ 172.800

Purpose and applicability. 



This subpart prescribes 

requirements for development and im-
plementation of plans to address secu-
rity risks related to the transportation 
of hazardous materials in commerce. 



Each person who of-

fers for transportation in commerce or 
transports in commerce one or more of 
the following hazardous materials 
must develop and adhere to a transpor-
tation security plan for hazardous ma-

terials that conforms to the require-
ments of this subpart. As used in this 
section, ‘‘large bulk quantity’’ refers to 
a quantity greater than 3,000 kg (6,614 
pounds) for solids or 3,000 liters (792 
gallons) for liquids and gases in a sin-
gle packaging such as a cargo tank 
motor vehicle, portable tank, tank car, 
or other bulk container. 

(1) Any quantity of a Division 1.1, 1.2, 

or 1.3 material; 

(2) A quantity of a Division 1.4, 1.5, or 

1.6 material requiring placarding in ac-
cordance with subpart F of this part; 

(3) A large bulk quantity of Division 

2.1 material; 

(4) A large bulk quantity of Division 

2.2 material with a subsidiary hazard of 

(5) Any quantity of a material poi-

sonous by inhalation, as defined in 
§ 171.8 of this subchapter; 

(6) A large bulk quantity of a Class 3 

material meeting the criteria for Pack-
ing Group I or II; 

(7) A quantity of desensitized explo-

sives meeting the definition of Division 
4.1 or Class 3 material requiring 
placarding in accordance with subpart 
F of this part; 

(8) A large bulk quantity of a Divi-

sion 4.2 material meeting the criteria 
for Packing Group I or II; 

(9) A quantity of a Division 4.3 mate-

rial requiring placarding in accordance 
with subpart F of this part; 

(10) A large bulk quantity of a Divi-

sion 5.1 material in Packing Groups I 
and II; perchlorates; or ammonium ni-
trate, ammonium nitrate fertilizers, or 
ammonium nitrate emulsions, suspen-
sions, or gels; 

(11) Any quantity of organic per-

oxide, Type B, liquid or solid, tempera-
ture controlled; 

(12) A large bulk quantity of Division 

6.1 material (for a material poisonous 
by inhalation see paragraph (5) above); 

(13) A select agent or toxin regulated 

by the Centers for Disease Control and 
Prevention under 42 CFR part 73 or the 
United States Department of Agri-
culture under 9 CFR part 121; 

(14) A quantity of uranium 

hexafluoride requiring placarding 
under § 172.505(b); 

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