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Virginia Administrative Code
Title 12. Health
Agency 5. Department of Health
Chapter 481. Virginia Radiation Protection Regulations
7/5/2020

12VAC5-481-3040. General License: Fissile Material.

A. A general license is issued to any licensee to transport fissile material, or to deliver fissile material to a carrier for transport, if the material is shipped in accordance with this section. The fissile material need not be contained in a package that meets the standards of 10 CFR Part 71, Subparts E and F; however, the material must be contained in a Type A package. The Type A package must also meet the DOT requirements of 49 CFR 173.417(a).

B. The general license applies only to a licensee who has a quality assurance program that complies with 12VAC5-481-3130.

C. The general license applies only when a package's contents:

1. Contain no more than a Type A quantity of radioactive material; and

2. Contain less than 500 total grams of beryllium, graphite, or hydrogenous material enriched in deuterium.

D. The general license applies only to packages containing fissile material that are labeled with a CSI that:

1. Has been determined in accordance with subsection E of this section;

2. Has a value less than or equal to 10; and

3. For a shipment of multiple packages containing fissile material, the sum of the CSIs must be less than or equal to 50 (for shipment on a nonexclusive use conveyance) and less than or equal to 100 (for shipment on an exclusive use conveyance).

E. The value for the CSI must be greater than or equal to the number calculated by the following equation:

1. The calculated CSI must be rounded up to the first decimal place;

2. The values of X, Y, and Z used in the CSI equation must be taken from Tables 5 or 6, as appropriate;

3. If Table 5 is used to obtain the value of X, then the values for the terms in the equation for uranium-233 and plutonium must be assumed to be zero; and

4. Table 4 values for X, Y, and Z must be used to determine the CSI if:

a. Uranium-233 is present in the package;

b. The mass of plutonium exceeds one percent of the mass of uranium-235;

c. The uranium is of unknown uranium-235 enrichment or greater than 24 weight percent enrichment; or

d. Substances having a moderating effectiveness (i.e., an average hydrogen density greater than H2O) (e.g., certain hydrocarbon oils or plastics) are present in any form, except as polyethylene used for packing or wrapping.

Table 4
Mass Limits for General License Packages Containing Mixed Quantities of Fissile Material or Uranium-235 of Unknown Enrichment

Fissile material

Fissile material mass mixed with moderating substances having an average hydrogen density less than or equal to H2O (grams)

Fissile material mass mixed with moderating substances having an average hydrogen density greater than H2Oa (grams)

U-235 (X)

60

38

U-233 (Y)

43

27

Pu-239 or Pu-241 (Z)

37

24

aWhen mixtures of moderating substances are present, the lower mass limits shall be used if more than 15 percent of the moderating substance has an average hydrogen density greater than H2O.

Table 5
Mass Limits for General License Packages Containing Uranium-235 of Known Enrichment

Uranium enrichment in weight
percent of U-235 not exceeding

Fissile material mass of
U-235 (X) (grams)

24

60

20

63

15

67

11

72

10

76

9.5

78

9

81

8.5

82

8

85

7.5

88

7

90

6.5

93

6

97

5.5

102

5

108

4.5

114

4

120

3.5

132

3

150

2.5

180

2

246

1.5

408

1.35

480

1

1,020

0.92

1,800

Statutory Authority

§ 32.1-229 of the Code of Virginia.

Historical Notes

Derived from Volume 22, Issue 25, eff. September 20, 2006; amended, Virginia Register Volume 24, Issue 18, eff. June 12, 2008.

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