[Code of Federal Regulations]
[Title 49, Volume 2]
[Revised as of October 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR173.420]

[Page 609-610]
 
                        TITLE 49--TRANSPORTATION
 
 CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 173--SHIPPERS--GENERAL REQUIREMENTS FOR SHIPMENTS AND PACKAGINGS--Table of Contents
 
               Subpart I--Class 7 (Radioactive) Materials
 
Sec. 173.420  Uranium hexafluoride (fissile, fissile excepted and non-fissile).

    (a) In addition to any other applicable requirements of this 
subchapter, uranium hexafluoride, fissile, fissile excepted or non-
fissile, must be offered for transportation as follows:

[[Page 610]]

    (1) Before initial filling and during periodic inspection and test, 
packagings must be cleaned in accordance with American National Standard 
N14.1.
    (2) Packagings must be designed, fabricated, inspected, tested and 
marked in accordance with--
    (i) American National Standard N14.1 (2001, 1995, 1990, 1987, 1982, 
1971) (incorporated by reference, see Sec. 171.7 of this subchapter) in 
effect at the time the packaging was manufactured;
    (ii) Specifications for Class DOT-106A multi-unit tank car tanks 
(Secs. 179.300 and 179.301 of this subchapter); or
    (iii) Section VIII, Division I of the ASME Code (incorporated by 
reference, see Sec. 171.7 of this subchapter), provided the packaging --
    (A) Was manufactured on or before June 30, 1987;
    (B) Conforms to the edition of the ASME Code in effect at the time 
the packaging was manufactured;
    (C) Is used within its original design limitations; and
    (D) Has shell and head thicknesses that have not decreased below the 
minimum value specified in the following table:
     

------------------------------------------------------------------------
                                          Minimum thickness; millimeters
             Packaging model                         (inches)
------------------------------------------------------------------------
1S, 2S..................................   1.58 (0.062)
5A, 5B, 8A..............................   3.17 (0.125)
12A, 12B................................   4.76 (0.187)
30B.....................................   7.93 (0.312)
48A, F, X, and Y........................   12.70 (0.500)
48T, O, OM, OM Allied, HX, H, AND G.....   6.35 (0.250)
------------------------------------------------------------------------

    (3) Uranium hexafluoride must be in solid form.
    (4) The volume of solid uranium hexafluoride, except solid depleted 
uranium hexafluoride, at 20  deg.C (68  deg.F) may not exceed 61% of the 
certified volumetric capacity of the packaging. The volume of solid 
depleted uranium hexafluoride at 20  deg.C (68  deg.F) may not exceed 
62% of the certified volumetric capacity of the packaging.
    (5) The pressure in the package at 20  deg.C (68  deg.F) must be 
less than 101.3 kPa (14.8 psia).
    (b) Packagings for uranium hexafluoride must be periodically 
inspected, tested, marked and otherwise conform with the latest 
incorporated edition of ANSI N14.1 (incorporated by reference, see 
Sec. 171.7 of this subchapter).
    (c) Each repair to a packaging for uranium hexafluoride must be 
performed in accordance with the latest incorporated edition of ANSI 
N14.1 (incorporated by reference, see Sec. 171.7 of this subchapter).

[Amdt. 173-244, 60 FR 50307, Sept. 28, 1995, as amended at 67 FR 61014, 
Sept. 27, 2002]