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100

10

10

10 1,000

10

NOTE 1: Many radioisotopes disintegrate into isotopes which are also radioactive. In expressing the concentrations in Schedule A, the activity stated is that of the parent isotope and takes into account the daughters.

NOTE 2: For purposes of $ 30.14 where there is involved a combination of isotopes, the limit for the combination should be derived as follows:

Determine for each isotope in the product the ratio between the concentration present in the product and the exempt concentration established in Schedule A for the specific isotope when not in combination. The sum of such ratios may not exceed "1" (i.e., unity). Example: Concentration of Isotope A in Product + Exempt concentration of Isotope A Concentration of Isotope B in Product

Exempt concentration of Isotope B1 (30 FR 8185, June 26, 1965, as amended at 35 FR 3982, Mar. 3, 1970; 38 FR 29314, Oct. 24, 1973]

100

10 100 100 100 100

Cerium 144 (Ce 144)..
Cesium 131 (Cs 131).
Cesium 134m (Cs 134m)..
Cesium 134 (Cs 134) ............
Cesium 135 (Cs 135)...
Cesium 136 (Cs 136).
Cesium 137 (Cs 137).
Chlorine 36 (C1 36).
Chlorine 38 (CI 38)..........
Chromium 51 (Cr 51) ........
Cobalt 58m (Co 58m) .....
Cobalt 58 (Co 58)...............
Cobalt 60 (Co 60)..
Copper 64 (Cu 64).
Dysprosium 165 (Dy 165).
Dysprosium 166 (Dy 166).....
Erbium 169 (Er 169).
Erbium 171 (Er 171)..........
Europium 152 9.2 h (Eu 152 9.2 h).
Europium 152 13 yr (Eu 152 13 yr).
Europium 154 (Eu 154)..
Europium 155 (Eu 155)........
Fluorine 18 (F 18)......
Gadolinium 153 (Gd 153)
Gadolinium 159 (Gd 159)
Gallium 72 (Ga 72).
Germanium 71 (Ge 71)....
Gold 198 (Au 198)..
Gold 199 (Au 199)...........
Hafnium 181 (Hf 181) .......
Holmium 166 (Ho 166).....
Hydrogen 3 (H 3)..
Indium 113m (In 113m)....
Indium 114m (In 114m)...
Indium 115m (In 115m)..........
Indium 115 (In 115).
lodine 125 (1 125)
lodine 126 (1 126)
lodine 129 (1 129).......
lodine 131 (1 131)...........
lodine 132 (1 132).
lodine 133 (1 133)
lodine 134 (I 134)
lodine 135 (1 135).......
Iridium 192 (Ir 192)........
Iridium 194 (Ir 194)...
Iron 55 (Fe 55).
Iron 59 (Fe 59).
Krypton 85 (Kr 85).....
Krypton 87 (Kr 87)...........
Lanthanum 140 (La 140)...........
Lutetium 177 (Lu 177)...
Manganese 52 (Mn 52)
Manganese 54 (Mn 54) .......
Manganese 56 (Mn 56).......

10 1,000

10 100

10 100 100 100

8 30.71 Schedule B.

10

100 1.000

100

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100

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10

Antimony 122 (Sb 122).
Antimony 124 (Sb 124).
Antimony 125 (Sb 125)..
Arsenic 73 (As 73) ......
Arsenic 74 (As 74)......
Arsenic 76 (As 76)
Arsenic 77 (As 77)......
Barium 131 (Ba 131)..
Barium 133 (Ba 133).
Barium 140 (Ba 140).
Bismuth 210 (Bi 210)
Bromine 82 (Br 82).
Cadmium 109 (Cd 109)...
Cadmium 115m (Cd 115m)......
Cadmium 115 (Cd 115)......
Calcium 45 (Ca 45).....
Calcium 47 (Ca 47).
Carbon 14 (C 14)................
Cerium 141 (Ce 141).........
Cerium 143 (Ce 143)..........

100

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Thallium 202 (TI 202)
Thallium 204 (TI 204).
Thulium 170 (Tm 170)
Thulium 171 (Tm 171)
Tin 113 (Sn 113)..
Tin 125 (Sn 125).
Tungsten 181 (W 181)
Tungsten 185 (W 185)
Tungsten 187 (W 187)
Vanadium 48 (V 48)..
Xenon 131m (Xe 131m)
Xenon 133 (Xe 133)..
Xenon 135 (Xe 135).
Ytterbium 175 (Yb 175)
Yttrium 90 (Y 90).
Yttrium 91 (Y 91)
Yttrium 92 (Y 92)
Yttrium 93 (Y 93)
Zinc 65 (Zn 65)
Zinc 69m (Zn 69m).
Zinc 69 (Zn 69)...
Zirconium 93 (Zr 93).
Zirconium 95 (Zr 95)
Zirconium 97 (Zr 97).
Any byproduct material not listed above other

than alpha emitting byproduct material

100 10 10 10 10 10 10 10 100

10 1,000

100 100 100 10 10 100 100

10 100 1,000

10 10 10

0.1

Byproduct material

Microcuries

Mercury 197m (Hg 197m)
Mercury 197 (Hg 197).
Mercury 203 (Hg 203).
Molybdenum 99 (Mo 99)
Neodymium 147 (Nd 147).

leodymium 149 (Nd 149)
Nickel 59 (Ni 59).
Nickel 63 (Ni 63).
Nickel 65 (Ni 65).
Niobium 93m (Nb 93m)
Niobium 95 (Nb 95)..
Niobium 97 (Nb 97).
Osmium 185 (Os 185).
Osmium 191m (Os 191m)
Osmium 191 (Os 191).
Osmium 193 (Os 193).
Palladium 103 (Pd 103)
Palladium 109 (Pd 109)
Phosphorus 32 (P 32).
Platinum 191 (Pt 191).
Platinum 193m (Pt 193m).
Platinum 193 (Pt 193)
Platinum 197m (Pt 197m).
Platinum 197 (Pt 197).
Polonium 210 (Po 210)
Potassium 42 (K 42)
Praseodymium 142 (Pr 142).
Praseodymium 143 (Pr 143).
Promethium 147 (Pm 147)
Promethium 149 (Pm 149)
Rhenium 186 (Re 186)
Rhenium 188 (Re 188)
Rhodium 103m (Rh 103m).
Rhodium 105 (Rh 105)
Rubidium 86 (Rb 86).
Rubidium 87 (Rb 87).
Ruthenium 97 (Ru 97)
Ruthenium 103 (Ru 103)
Ruthenium 105 (Ru 105)
Ruthenium 106 (Ru 106)
Samarium 151 (Sm 151).
Samarium 153 (Sm 153).
Scandium 46 (Sc 46)
Scandium 47 (Sc 47)
Scandium 48 (Sc 48)
Selenium 75 (Se 75)
Silicon 31 (Si 31)
Silver 105 (Ag 105)
Silver 110m (Ag 110m).
Silver 111 (Ag 111)
Sodium 24 (Na 24).
Strontium 85 (Sr 85).
Strontium 89 (Sr 89).
Strontium 90 (Sr 90).
Strontium 91 (Sr 91).
Strontium 92 (Sr 92).
Sulphur 35 (S 35)
Tantalum 182 (Ta 182)
Technetium 96 (Tc 96)
Technetium 97m (Tc 97m)
Technetium 97 (Tc 97)
Technetium 99m (Tc 99m)
Technetium 99 (Tc 99)
Tellurium 125m (Te 125m)
Tellurium 127m (Te 127m)
Tellurium 127 (Te 127)
Tellurium 129m (Te 129m)
Tellurium 129 (Te 129)
Tellurium 131m (Te 131m)
Tellurium 132 (Te 132)
Terbium 160 (Tb 160).
Thallium 200 (TI 200)
Thallium 201 (TI 201).

100 100

10 100 100 100 100

10 100 10 10 10 10 100 100 100 100 100

10 100 100 100 100 100 0.1

10 100 100 10 10 100 100 100 100 10 10 100 10 10

1 10 100

10 100 10 10 100 10

1 100 10 10

1 0.1 10 10 100 10 10 100 100 100 10 10 10 100

10 100 10 10 10 100 100

NOTE: The reporting and record keeping requirements contained in this part have been approved by the General Accounting Office under B-180225 (R0079), (R0089), and (R0173). (Sec. 201, Pub. L. 93-438, 88 Stat. 1242 (42 U.S.C. 5841)) [35 FR 6427, Apr. 22, 1970, as amended at 36 FR 16898, Aug. 26, 1971; 42 FR 25721, May 19, 1977)

PART 31-GENERAL DOMESTIC LI

CENSES FOR BYPRODUCT MATERIAL

Sec. 31.1 Purpose and scope. 31.2 Terms and conditions. 31.3 Certain devices and equipment. 31.5 Certain measuring, gauging or control

ling devices. 31.6 General license to install devices gen

erally licensed in $31.5. 31.7 Luminous safety devices for use in air

craft. 31.8 Americium-241 in the form of calibra

tion or reference sources. 31.9 General license to own byproduct ma

terial. 31.10 General license for strontium 90 in

ice detection devices. 31.11 General license for use of byproduct

material for certain in vitro clinical or

laboratory testing. AUTHORITY: Secs. 81, 161, 183, 68 Stat. 935, 948, 954, as amended; 42 U.S.C. 2111, 2201, 2233. For the purposes of sec. 223, 68 Stat.

958, as amended; 42 U.S.C. 2273, 31.5(d)(5), 31.6(a) and 31.11(e) issued under sec. 161 0., 68 Stat. 950, as amended; 42 U.S.C. 2201(0), unless otherwise noted.

SOURCE: 30 FR 8189, June 26, 1965, unless otherwise noted.

NOMENCLATURE CHANGES: 40 FR 8785, Mar. 3, 1975. § 31.1 Purpose and scope.

This part establishes general licenses for the possession and use of byproduct material contained in certain items and a general license for ownership of byproduct material. Part 30 of this chapter also contains provisions applicable to the subject matter of this part. (35 FR 6428, Apr. 22, 1970)

(d) Ion generating tube. Devices designed for ionization of air which contain, as a sealed source or sources, byproduct material consisting of a total of not more than 500 microcuries of polonium 210 per device or of a total of not more than 50 millicuries of hy. drogen 3 (tritium) per device. (30 FR 8189, June 26, 1965, as amended at 34 FR 6652, Apr. 18, 1969; 35 FR 3982, Mar. 3, 1970)

$ 31.2 Terms and conditions.

(a) The general licenses provided in this part are subject to the provision of $$ 30.14(d), 30.34(a) to (e), 30.41, 30.51 to 30.63 and Parts 19, 20, and 21 of this chapter' unless indicated otherwise in the language of the general license.

(Sec. 202, Pub. L. 93-438, 88 Stat. 1244, (42 U.S.C. 5842) sec. 161, as amended, Pub. L. 83-703, 68 Stat. 948 (42 U.S.C. 2201); sec. 201, as amended, Pub. L. 93-438, 88 Stat. 1243 (42 U.S.C. 5841)) (38 FR 22220, Aug. 17, 1973, as amended at 38 FR 33969, Dec. 10, 1973; 42 FR 28896, June 6, 1977; 43 FR 6922, Feb. 17, 1978)

8 31.5 Certain measuring, gauging or con

trolling devices.? (a) A general license is hereby issued to commercial and industrial firms and research, educational and medical institutions, individuals in the conduct of their business, and Federal, State or local government agencies to acquire, receive, possess, use or transfer, in accordance with the provisions of paragraphs (b), (c) and (d) of this section, byproduct material contained in devices designed and manufactured for the purpose of detecting, measuring, gauging or controlling thickness, density, level, interface location, radiation, leakage, or qualitative or quantitative chemical composition, or for producing light or an ionized atmosphere.

(b) The general license in paragraph (a) of this section applies only to byproduct material contained in devices which have been manufactured or initially transferred and labeled in accordance with the specifications contained in a specific license issued pursuant to $ 32.51 of this chapter or in accordance with the specifications contained in a specific license issued by an Agreement State which authorizes distribution of the devices to persons generally licensed by the Agreement State.

(c) Any person who acquires, receives, possesses, uses or transfers by. product material in a device pursuant to the general license in paragraph (a) of this section:

8 31.3 Certain devices and equipment.

A general license is hereby issued to transfer, receive, acquire, own, possess and use byproduct material incorporated in the following devices or equipment which have been manufactured, tested and labeled by the manufacturer in accordance with the specifications contained in a specific license issued to him by the Commission.

(a) Static elimination device. Devices designed for use as static eliminators which contain, as a sealed source or sources, byproduct material consisting of a total of not more than 500 microcuries of polonium 210 per device.

(b)-(c) (Reserved)

Attention is directed particularly to the provisions of the regulations in Part 20 of this chapter which relate to the labeling of containers.

? Persons possessing byproduct material in devices under the general license in $31.5 before Jan. 15, 1975 may continue to possess, use or transfer that material in accordance with the requirements of $ 31.5 in effect on Jan. 14, 1975.

hels

(1) Shall assure that all labels af- off mechanism and indicator is perfixed to the device at the time of re- formed or until the sealed source is ceipt and bearing a statement that re- transferred or disposed of. Records moval of the label is prohibited are which are required by paragraph (c)(3) maintained thereon and shall comply of this section shall be maintained for with all instructions and precautions a period of two years from the date of provided by such labels;

the recorded event or until the device (2) Shall assure that the device is is transferred or disposed of; tested for leakage of radioactive mate (5) Upon the occurrence of a failure rial and proper operation of the on-off of or damage to, or any indication of a mechanism and indicator, if any, at no possible failure of or damage to. the longer than six-month intervals or at

shielding of the radioactive material such other intervals as are specified in

or the on-off mechanism or indicator, the label; however:

or upon the detection of 0.005 micro(i) Devices containing only krypton

curie or more removable radioactive need not be tested for leakage of ra

material, shall immediately suspend dioactive material, and

operation of the device until it has (ii) Devices containing only tritium

been repaired by the manufacturer or or not more than 100 microcuries of

other person holding a specific license other beta and/or gamma emitting

pursuant to Parts 30 and 32 of this material or 10 microcuries of alpha

chapter or from an Agreement State emitting material and devices held in

to repair such devices, or disposed of storage in the original shipping con

by transfer to a person authorized by tainer prior to initial installation need

a specific license to receive the bynot be tested for any purpose;

product material contained in the (3) Shall assure that the tests re

device and, within 30 days, furnish to quired by paragraph (c)(2) of this sec

the Director of the appropriate Nucletion and other testing, installation,

ar Regulatory Commission, Inspection servicing, and removal from installa

and Enforcement Regional Office tion involving the radioactive materi

listed in Appendix D of Part 20 of this als, its shielding or containment, are

chapter, a report containing a brief deperformed: (i) In accordance with the instruc

scription of the event and the remedi

al action taken; tions provided by the labels; or (ii) By a person holding a specific li

(6) Shall not abandon the device cense pursuant to Parts 30 and 32 of

containing byproduct material; this chapter or from an Agreement

(7) Shall not export the device conState to perform such activities;

taining byproduct material except in (4) Shall maintain records showing

accordance with Part 110 of this chapcompliance with the requirements of

ter; paragraphs (c)(2) and (c)(3) of this (8) Except as provided in paragraph section. The records shall show the re- (c)(9) of this section, shall transfer or sults of tests. The records also shall dispose of the device containing byshow the dates of performance of, and product material only by transfer to the names of persons performing, test persons holding a specific license puring, installation, servicing, and remov. suant to Parts 30 and 32 of this chapal from installation concerning the ra ter or from an Agreement State to redioactive material, its shielding or con- ceive the device and within 30 days tainment. Records of tests for leakage after transfer of a device to a specific of radioactive material required by licensee shall furnish to the Director paragraph (c)(2) of this section shall of Nuclear Material Safety and Safebe maintained for one year after the guards, U.S. Nuclear Regulatory Comnext required leak test is performed or mission, Washington, D.C. 20555 a until the sealed source is transferred report containing identification of the or disposed of. Records of tests of the device by manufacturer's name and on-off mechanism and indicator, re- model number and the name and adquired by paragraph (c)(2) of this sec dress of the person receiving the tion, shall be maintained for one year device. No report is required if the after the next required test of the on device is transferred to the specific li

Col. 1

Isotope

Gas concentration Cl/

ml 1

4 . 10

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Ba 131 Ba 140. Be 7 Bi 206 Br 82 Cd 109. Cd 115m. Cd 115. Ca 45 Ca 47 C 14 Ce 141 Ce 143 Ce 144 Cs 131 Cs 134m Cs 134 CI 38 Cr 51 Co 57 Co 58 Co 60 Cu 64 Dy 165 Dy 166 Er 169 Er 171 Eu 152 (T/2=9.2 Hrs) Eu 155 F 18 Gd 153. Gd 159. Ga 72.. Ge 71. Au 196 Au 198 Au 199 Hf 181 H 3 In 113m In 114m | 126. | 131. | 132. | 133 | 134. Ir 190 Ir 192 Ir 194 Fe 55 Fe 59 Kr 85m Kr 85.. La 140 Pb 203 Lu 177 Mn 52 Mn 54 Mn 56 Hg 197m. Hg 197. Hg 203. Mo 99 Nd 147. Nd 149. Ni 65 Nb 95 Nb 97 Os 185.

5 10.

7

Col. II

Element (atomic number)

Liquid and sold concentration u Ci/mi

Barium (56)

Beryllium (4).
Bismuth (83)
Bromine (35)
Cadmium (48)

Calcium (20)

Carbon (6)
Cerium (58)

Cesium (55)

2 . 101
3 - 10
2 . 10 :
4. 10
3. 10
2 . 10
3 . 10
3. 10.
9. 10
5. 10
8. 10
9. 10
4 . 10
1. 10
2 . 10 :
6 10 :
9. 10:
4 10
2 10 :
5 . 10-3
110
5 10
3.10
4 - 10
4 10
9 10!
110-
6 101

Chlorine (17)
Chromium (24)
Cobalt (27)

Copper (29)
Dysprosium (66).

Erbium (68)

Europium (63)

Fluorine (9).
Gadolinium (64).

Gallium (31)
Germanium (32)
Gold (79)

Hafnium (72).
Hydrogen (1).
Indium (49)

2 101
8 10
2 10
8 10
4 10
2 10 :
2 10 1
5 10
2 10 :
710
3 10
110 :
2 10
2 10
2 10
6 10
710
110
2 . 10
4 . 10
3 . 10 .
8 10
6 10

lodine (53).

3 . 10
3. 10)
8 - 10
1 . 10
2. 10

Iridium (77)

Iron (26).

Krypton (36)

1. 10.
3 . 10

Lanthanum (57)
Lead (82).
Lutetium (71)..
Manganese (25)

Mercury (80).

210
4. 10
1. 10
3. 10
1 . 10 .
1 - 10
2 . 104
3. 10
2 10
2 . 10 :
6 101
3.10
1. 10.
1 - 103
9 10
7. 10

Molybdenum (42)
Neodymium (60).

Nickel (28).
Niobium (Columbium) (41).

Osmium (76).

See footnotes at end of table.

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