173.4b—De minimis exceptions.
(a)
Packing Group II and III materials in Class 3, Division 4.1, Division 4.2, Division 4.3, Division 5.1, Division 6.1, Class 8, and Class 9 do not meet the definition of a hazardous material in § 171.8 of this subchapter when packaged in accordance with this section and, therefore, are not subject to the requirements of this subchapter.
(2)
Each inner receptacle with a removable closure has its closure held securely in place with wire, tape, or other positive means;
(3)
Unless equivalent cushioning and absorbent material surrounds the inside packaging, each inner receptacle is securely packed in an inside packaging with cushioning and absorbent material that:
(i)
Each of the following free drops made from a height of 1.8 m (5.9 feet) directly onto a solid unyielding surface without breakage or leakage from any inner receptacle and without a substantial reduction in the effectiveness of the package:
(ii)
A compressive load as specified in § 178.606(c) of this subchapter. Each of the tests in this paragraph (a)(5) may be performed on a different but identical package; that is, all tests need not be performed on the same package.
(6)
Placement of the material in the package or packing different materials in the package does not result in a violation of § 173.21 ;
(7)
The aggregate quantity of hazardous material per package does not exceed 100 g (0.22 pounds) for solids or 100 mL (3.38 ounces) for liquids;
(i)
The hazardous material is authorized to be carried aboard passenger-carrying aircraft in Column 9A of the § 172.101 Hazardous Materials Table; and
(ii)
Material packed in accordance with this section may not be carried in checked or carry-on baggage.
[74 FR 2255, Jan. 14, 2009, as amended at 75 FR 5393, Feb. 2, 2010]