Section 173.419 - Authorized packages-oxidizing Class 7 (radioactive) materials(a) An oxidizing Class 7 (radioactive) material, as referenced in the § 172.101 table of this subchapter, is authorized in quantities not exceeding an A2 per package, in a DOT Specification 7A package provided that- (1) The contents are: (ii) Packed in inside packagings of glass, metal or compatible plastic; and(iii) Cushioned with a material that will not react with the contents; and(2) The outside packaging is made of wood, metal, or plastic.(b) The package must be capable of meeting the applicable test requirements of § 173.465 without leakage of contents.(c) For shipment by air, the maximum quantity in any package may not exceed 11.3 kg (25 pounds).Amdt. 173-244, 60 FR 50307, Sept. 28, 1995, as amended at 66 FR 45380 , Aug. 28, 2001