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Virginia Administrative Code
Title 12. Health
Agency 5. Department of Health
Chapter 481. Virginia Radiation Protection Regulations
11/23/2024

12VAC5-481-3760. Limits for broad scopes.

Radioactive material

Col. I curies

Col. II curies

Antimony-122

1

0.01

Antimony-124

1

0.01

Antimony-125

1

0.01

Arsenic-73

10

0.1

Arsenic-74

1

0.01

Arsenic-76

1

0.01

Arsenic-77

10

0.1

Barium-131

10

0.1

Barium-140

1

0.01

Beryllium-7

10

0.1

Bismuth-210

0.1

0.001

Bromine-82

10

0.1

Cadmium-109

1

0.01

Cadmium-115m

1

0.01

Cadmium-115

10

0.1

Calcium-45

1

0.01

Calcium-47

10

0.1

Carbon-14

100

1

Cerium-141

10

0.1

Cerium-143

10

0.1

Cerium-144

0.1

0.001

Cesium-131

100

1

Cesium-134m

100

1

Cesium-134

0.1

0.001

Cesium-135

1

0.01

Cesium-136

10

0.1

Cesium-137

0.1

0.001

Chlorine-36

1

0.01

Chlorine-38

100

1

Chromium-51

100

1

Cobalt-57

10

0.1

Cobalt-58m

100

1

Cobalt-58

1

0.01

Cobalt-60

0.1

0.001

Copper-64

10

0.1

Dysprosium-165

100

1

Dysprosium-166

10

0.1

Erbium-169

10

0.1

Erbium-171

10

0.1

Europium-152 9.2 h

10

0.1

Europium-152 13 y

0.1

0.001

Europium-154

0.1

0.001

Europium-155

1

0.01

Fluorine-18

100

1

Gadolinium-153

1

0.01

Gadolinium-159

10

0.1

Gallium-72

10

0.1

Germanium-71

100

1

Gold-198

10

0.1

Gold-199

10

0.1

Hafnium-181

1

0.01

Holmium-166

10

0.1

Hydrogen-3

100

1

Indium-113m

100

1

Indium-114m

1

0.01

Indium-115m

100

1

Indium-115

1

0.01

Iodine-125

0.1

0.001

Iodine-126

0.1

0.001

Iodine-129

0.1

0.001

Iodine-131

0.1

0.001

Iodine-132

10

0.1

Iodine-133

1

0.01

Iodine-134

10

0.1

Iodine-135

1

0.01

Iridium-192

1

0.01

Iridium-194

10

0.1

Iron-55

10

0.1

Irion-59

1

0.01

Krypton-85

100

1

Krypton-87

10

0.1

Lanthanum-140

1

0.01

Lutelium-177

10

0.1

Manganese-52

1

0.01

Manganese-54

1

0.01

Manganese-56

10

0.1

Mercury-197m

10

0.1

Mercury-197

10

0.1

Mercury-203

1

0.01

Molybdenum-99

10

0.1

Neodymium-147

10

0.1

Neodymium-149

10

0.1

Nickel-59

10

0.1

Nickel-63

1

0.01

Nickel-65

10

0.1

Niobium-93m

1

0.01

Niobium-95

1

0.01

Niobium-97

100

1

Osmium-185

1

0.01

Osmium-191m

100

1

Osmium-191

10

0.1

Osmium-193

10

0.1

Palladium-103

10

0.1

Palladium-109

10

0.1

Phosphorus-32

1

0.01

Platinum-191

10

0.1

Platinum-193m

100

1

Platinum-193

10

0.1

Platinum-197m

100

1

Platinum-197

100

.1

Polonium-210

0.01

0.0001

Potassium-42

1

0.01

Praseodymium-142

10

0.1

Praseodymium-143

10

0.1

Promethium-147

1

0.01

Promethium-149

10

0.1

Radium-226

0.01

0.0001

Rhenium-186

10

0.1

Rhenium-188

10

0.1

Rhodium-103m

1,000

10

Rhodium-105

10

0.1

Rubidium-86

1

0.01

Rubidium-87

1

0.01

Ruthenium-97

100

1

Ruthenium-103

1

0.01

Ruthenium-105

10

0.1

Ruthenium-106

0.1

0.001

Samarium-151

1

0.01

Samarium-153

10

0.1

Scandium-46

1

0.01

Scandium-47

10

0.1

Scandium-48

1

0.01

Selenium-75

1

0.01

Silicon-31

10

0.1

Silver-105

1

0.01

Silver-110m

0.1

0.001

Silver-111

10

0.1

Sodium-22

0.1

0.001

Sodium-24

1

0.01

Strontium-85m

1,000

10

Strontium-85

1

0.01

Strontium-89

1

0.01

Strontium-90

0.01

0.0001

Strontium-91

10

0.1

Strontium-92

10

0.1

Sulphur-35

10

0.1

Tantalum-182

1

0.01

Technetium-96

10

0.1

Technetium-97m

10

0.1

Technetium-97

10

0.1

Technetium-99m

100

1

Technetium-99

1

0.01

Tellurium-125m

1

0.01

Tellurium-127m

1

0.01

Tellurium-127

10

0.1

Tellurium-129m

1

0.01

Tellurim-129

100

1

Tellurium-131m

10

0.1

Tellurium-132

1

0.01

Terbium-160

1

0.01

Thallium-200

10

0.1

Thallium-201

10

0.1

Thallium-202

10

0.1

Thallium-204

1

0.01

Thulium-170

1

0.01

Thulium-171

1

0.01

Tin-113

1

0.01

Tin-125

1

0.01

Tungsten-181

1

0.01

Tungsten-185

1

0.01

Tungsten-187

10

0.1

Vandadium-48

1

0.01

Xenon-131m

1,000

10

Xenon-133

100

1

Xenon-135

100

1

Ytterbium-175

10

0.1

Yttrium-90

1

0.01

Yttrium-91

1

0.01

Yttrium-92

10

0.1

Yttrium-93

1

0.01

Zinc-65

1

0.01

Zinc-69m

10

0.1

Zinc-69

100

1

Zirconium-93

1

0.01

Zirconium-95

1

0.01

Zirconium-97

1

0.01

Any radioactive material other than alpha
emitting radioactive material not listed above

0.1

0.001

Statutory Authority

§ 32.1-229 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 24, Issue 18, eff. June 12, 2008.

Website addresses provided in the Virginia Administrative Code to documents incorporated by reference are for the reader's convenience only, may not necessarily be active or current, and should not be relied upon. To ensure the information incorporated by reference is accurate, the reader is encouraged to use the source document described in the regulation.

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