380 

49 CFR Ch. I (10–1–18 Edition) 

§ 172.203 

shown in association with the basic de-
scription (for example, IMDG Code seg-
regation group—1 Acids). When no seg-
regation group is applicable, there is 
no requirement to indicate that condi-
tion. 

(j) [Reserved] 
(k) 

Technical names for ‘‘n.o.s.’’ and 

other generic descriptions. 

Unless other-

wise excepted, if a material is de-
scribed on a shipping paper by one of 
the proper shipping names identified by 
the letter ‘‘G’’ in column (1) of the 
§ 172.101 Table, the technical name of 
the hazardous material must be en-
tered in parentheses in association 
with the basic description. For example 
‘‘UN 1760, Corrosive liquid, n.o.s., (Oc-
tanoyl chloride), 8, II’’, or ‘‘UN 1760, 
Corrosive liquid, n.o.s., 8, II (contains 
Octanoyl chloride)’’. The word ‘‘con-
tains’’ may be used in association with 
the technical name, if appropriate. For 
organic peroxides which may qualify 
for more than one generic listing de-
pending on concentration, the tech-
nical name must include the actual 
concentration being shipped or the con-
centration range for the appropriate 
generic listing. For example, ‘‘UN 3102, 
Organic peroxide type B, solid, 5.2, 
(dibenzoyl peroxide, 52–100%)’’ or ‘‘UN 
3108, Organic peroxide type E, solid, 5.2, 
(dibenzoyl peroxide, paste, <52%)’’. 
Shipping descriptions for toxic mate-
rials that meet the criteria of Division 
6.1, PG I or II (as specified in § 173.132(a) 
of this subchapter) or Division 2.3 (as 
specified in § 173.115(c) of this sub-
chapter) and are identified by the let-
ter ‘‘G’’ in column (1) of the § 172.101 
Table, must have the technical name of 
the toxic constituent entered in paren-
theses in association with the basic de-
scription. A material classed as Divi-
sion 6.2 and assigned identification 
number UN 2814 or UN 2900 that is sus-
pected to contain an unknown Cat-
egory A infectious substance must 
have the words ‘‘suspected Category A 
infectious substance’’ entered in paren-
theses in place of the technical name 
as part of the proper shipping descrip-
tion. For additional technical name op-
tions, see the definition for ‘‘Technical 
name’’ in § 171.8. A technical name 
should not be marked on the outer 
package of a Division 6.2 material (see 
§ 172.301(b)). 

(1) If a hazardous material is a mix-

ture or solution of two or more haz-
ardous materials, the technical names 
of at least two components most pre-
dominately contributing to the hazards 
of the mixture or solution must be en-
tered on the shipping paper as required 
by paragraph (k) of this section. For 
example, ‘‘UN 2924, Flammable liquid, 
corrosive, n.o.s., 3 (8), II (contains 
Methanol, Potassium hydroxide)’’. 

(2) The provisions of this paragraph 

do not apply— 

(i) To a material that is a hazardous 

waste and described using the proper 
shipping name ‘‘Hazardous waste, liq-
uid 

or 

solid, n.o.s.’’, classed as a mis-

cellaneous Class 9, provided the EPA 
hazardous waste number is included on 
the shipping paper in association with 
the basic description, or provided the 
material is described in accordance 
with the provisions of § 172.203(c) of this 
part. 

(ii) To a material for which the haz-

ard class is to be determined by testing 
under the criteria in § 172.101(c)(11). 

(iii) If the n.o.s. description for the 

material (other than a mixture of haz-
ardous materials of different classes 
meeting the definitions of more than 
one hazard class) contains the name of 
the chemical element or group which is 
primarily responsible for the material 
being included in the hazard class indi-
cated. 

(iv) If the n.o.s. description for the 

material (which is a mixture of haz-
ardous materials of different classes 
meeting the definition of more than 
one hazard class) contains the name of 
the chemical element or group respon-
sible for the material meeting the defi-
nition of one of these classes. In such 
cases, only the technical name of the 
component that is not appropriately 
identified in the n.o.s. description shall 
be entered in parentheses. 

(l) 

Marine pollutants. 

(1) If the proper 

shipping name for a material which is 
a marine pollutant does not identify by 
name the component which makes the 
material a marine pollutant, the name 
of that component must appear in pa-
rentheses in association with the basic 
description. Where two or more compo-
nents which make a material a marine 
pollutant are present, the names of at 

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