Administrative Code

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

12VAC5-481-3700. Quantities of Licensed Materials Requiring Labeling.

Radionuclide

Abbreviation

Quantity (μCi)

Hydrogen-3

H-3

1,000

Beryllium-7

Be-7

1,000

Beryllium-10

Be-10

1

Carbon-11

C-11

1,000

Carbon-14

C-14

100

Fluorine-18

F-18

1,000

Sodium-22

Na-22

10

Sodium-24

Na-24

100

Magnesium-28

Mg-28

100

Aluminum-26

Al-26

10

Silicon-31

Si-31

1,000

Silicon-32

Si-32

1

Phosphorus-32

P-32

10

Phosphorus-33

P-33

100

Sulfur-35

S-35

100

Chlorine-36

Cl-36

10

Chlorine-38

Cl-38

1,000

Chlorine-39

Cl-39

1,000

Argon-39

Ar-39

1,000

Argon-41

Ar-41

1,000

Potassium-40

K-40

100

Potassium-42

K-42

1,000

Potassium-43

K-43

1,000

Potassium-44

K-44

1,000

Potassium-45

K-45

1,000

Calcium-41

Ca-41

100

Calcium-45

Ca-45

100

Calcium-47

Ca-47

100

Scandium-43

Sc-43

1,000

Scandium-44m

Sc-44m

100

Scandium-44

Sc-44

100

Scandium-46

Sc-46

10

Scandium-47

Sc-47

100

Scandium-48

Sc-48

100

Scandium-49

Sc-49

1,000

Titanium-44

Ti-44

1

Titanium-45

Ti-45

1,000

Vanadium-47

V-47

1,000

Vanadium-48

V-48

100

Vanadium-49

V-49

1,000

Chromium-48

Cr-48

1,000

Chromium-49

Cr-49

1,000

Chromium-51

Cr-51

1,000

Manganese-51

Mn-51

1,000

Manganese-52m

Mn-52m

1,000

Manganese-52

Mn-52

100

Manganese-53

Mn-53

1,000

Manganese-54

Mn-54

100

Manganese-56

Mn-56

1,000

Iron-52

Fe-52

100

Iron-55

Fe-55

100

Iron-59

Fe-59

10

Iron-60

Fe-60

1

Cobalt-55

Co-55

100

Cobalt-56

Co-56

10

Cobalt-57

Co-57

100

Cobalt-58m

Co-58m

1,000

Cobalt-58

Co-58

100

Cobalt-60m

Co-60m

1,000

Cobalt-60

Co-60

1

Cobalt-61

Co-61

1,000

Cobalt-62m

Co-62m

1,000

Nickel-56

Ni-56

100

Nickel-57

Ni-57

100

Nickel-59

Ni-59

100

Nickel-63

Ni-63

100

Nickel-65

Ni-65

1,000

Nickel-66

Ni-66

10

Copper-60

Cu-60

1,000

Copper-61

Cu-61

1,000

Copper-64

Cu-64

1,000

Copper-67

Cu-67

1,000

Zinc-62

Zn-62

100

Zinc-63

Zn-63

1,000

Zinc-65

Zn-65

10

Zinc-69m

Zn-69m

100

Zinc-69

Zn-69

1,000

Zinc-71m

Zn-71m

1,000

Zinc-72

Zn-72

100

Gallium-65

Ga-65

1,000

Gallium-66

Ga-66

100

Gallium-67

Ga-67

1,000

Gallium-68

Ga-68

1,000

Gallium-70

Ga-70

1,000

Gallium-72

Ga-72

100

Gallium-73

Ga-73

1,000

Germanium-66

Ge-66

1,000

Germanium-67

Ge-67

1,000

Germanium-68

Ge-68

10

Germanium-69

Ge-69

1,000

Germanium-71

Ge-71

1,000

Germanium-75

Ge-75

1,000

Germanium-77

Ge-77

1,000

Germanium-78

Ge-78

1,000

Arsenic-69

As-69

1,000

Arsenic-70

As-70

1,000

Arsenic-71

As-71

100

Arsenic-72

As-72

100

Arsenic-73

As-73

100

Arsenic-74

As-74

100

Arsenic-76

As-76

100

Arsenic-77

As-77

100

Arsenic-78

As-78

1,000

Selenium-70

Se-70

1,000

Selenium-73m

Se-73m

1,000

Selenium-73

Se-73

100

Selenium-75

Se-75

100

Selenium-79

Se-79

100

Selenium-81m

Se-81m

1,000

Selenium-81

Se-81

1,000

Selenium-83

Se-83

1,000

Bromine-74m

Br-74m

1,000

Bromine-74

Br-74

1,000

Bromine-75

Br-75

1,000

Bromine-76

Br-76

100

Bromine-77

Br-77

1,000

Bromine-80m

Br-80m

1,000

Bromine-80

Br-80

1,000

Bromine-82

Br-82

100

Bromine-83

Br-83

1,000

Bromine-84

Br-84

1,000

Krypton-74

Kr-74

1,000

Krypton-76

Kr-76

1,000

Krypton-77

Kr-77

1,000

Krypton-79

Kr-79

1,000

Krypton-81

Kr-81

1,000

Krypton-83m

Kr-83m

1,000

Krypton-85m

Kr-85m

1,000

Krypton-85

Kr-85

1,000

Krypton-87

Kr-87

1,000

Krypton-88

Kr-88

1,000

Rubidium-79

Rb-79

1,000

Rubidium-81m

Rb-81m

1,000

Rubidium-81

Rb-81

1,000

Rubidium-82m

Rb-82m

1,000

Rubidium-83

Rb-83

100

Rubidium-84

Rb-84

100

Rubidium-86

Rb-86

100

Rubidium-87

Rb-87

100

Rubidium-88

Rb-88

1,000

Rubidium-89

Rb-89

1,000

Strontium-80

Sr-80

100

Strontium-81

Sr-81

1,000

Strontium-83

Sr-83

100

Strontium-85m

Sr-85m

1,000

Strontium-85

Sr-85

100

Strontium-87m

Sr-87m

1,000

Strontium-89

Sr-89

10

Strontium-90

Sr-90

0.1

Strontium-91

Sr-91

100

Strontium-92

Sr-92

100

Yttrium-86m

Y-86m

1,000

Yttrium-86

Y-86

100

Yttrium-87

Y-87

100

Yttrium-88

Y-88

10

Yttrium-90m

Y-90m

1,000

Yttrium-90

Y-90

10

Yttrium-91m

Y-91m

1,000

Yttrium-91

Y-91

10

Yttrium-92

Y-92

100

Yttrium-93

Y-93

100

Yttrium-94

Y-94

1,000

Yttrium-95

Y-95

1,000

Zirconium-86

Zr-86

100

Zirconium-88

Zr-88

10

Zirconium-89

Zr-89

100

Zirconium-93

Zr-93

1

Zirconium-95

Zr-95

10

Zirconium-97

Zr-97

100

Niobium-88

Nb-88

1,000

Niobium-89m (66 min)

Nb-89m

1,000

Niobium-89 (122 min)

Nb-89

1,000

Niobium-90

Nb-90

100

Niobium-93m

Nb-93m

10

Niobium-94

Nb-94

1

Niobium-95m

Nb-95m

100

Niobium-95

Nb-95

100

Niobium-96

Nb-96

100

Niobium-97

Nb-97

1,000

Niobium-98

Nb-98

1,000

Molybdenum-90

Mo-90

100

Molybdenum-93m

Mo-93m

100

Molybdenum-93

Mo-93

10

Molybdenum-99

Mo-99

100

Molybdenum-101

Mo-101

1,000

Technetium-93m

Tc-93m

1,000

Technetium-93

Tc-93

1,000

Technetium-94m

Tc-94m

1,000

Technetium-94

Tc-94

1,000

Technetium-96m

Tc-96

1,000

Technetium-96

Tc-96

100

Technetium-97m

Tc-97m

100

Technetium-97

Tc-97

1,000

Technetium-98

Tc-98

10

Technetium-99m

Tc-99m

1,000

Technetium-99

Tc-99

100

Technetium-101

Tc-101

1,000

Technetium-104

Tc-104

1,000

Ruthenium-94

Ru-94

1,000

Ruthenium-97

Ru-97

1,000

Ruthenium-103

Ru-103

100

Ruthenium-105

Ru-105

1,000

Ruthenium-106

Ru-106

1

Rhodium-99m

Rh-99m

1,000

Rhodium-99

Rh-99

100

Rhodium-100

Rh-100

100

Rhodium-101m

Rh-101m

1,000

Rhodium-101

Rh-101

10

Rhodium-102m

Rh-102m

10

Rhodium-102

Rh-102

10

Rhodium-103m

Rh-103m

1,000

Rhodium-105

Rh-105

100

Rhodium-106m

Rh-106m

1,000

Rhodium-107

Rh-107

1,000

Palladium-100

Pd-100

100

Palladium-101

Pd-101

1,000

Palladium-103

Pd-103

100

Palladium-107

Pd-107

10

Palladium-109

Pd-109

100

Silver-102

Ag-102

1,000

Silver-103

Ag-103

1,000

Silver-104m

Ag-104m

1,000

Silver-104

Ag-104

1,000

Silver-105

Ag-105

100

Silver-106m

Ag-106m

100

Silver-106

Ag-106

1,000

Silver-108m

Ag-108m

1

Silver-110m

Ag-110m

10

Silver-111

Ag-111

100

Silver-112

Ag-112

100

Silver-115

Ag-115

1,000

Cadmium-104

Cd-104

1,000

Cadmium-107

Cd-107

1,000

Cadmium-109

Cd-109

1

Cadmium-113m

Cd-113m

0.1

Cadmium-113

Cd-113

100

Cadmium-115m

Cd-115m

10

Cadmium-115

Cd-115

100

Cadmium-117m

Cd-117m

1,000

Cadmium-117

Cd-117

1,000

Indium-109

In-109

1,000

Indium-110 (69.1 min.)

In-110

1,000

Indium-110 (4.9h)

In-110

1,000

Indium-111

In-111

100

Indium-112

In-112

1,000

Indium-113m

In-113m

1,000

Indium-114m

In-114m

10

Indium-115m

In-115m

1,000

Indium-115

In-115

100

Indium-116m

In-116m

1,000

Indium-117m

In-117m

1,000

Indium-117

In-117

1,000

Indium-119m

In-119m

1,000

Tin-110

Sn-110

100

Tin-111

Sn-111

1,000

Tin-113

Sn-113

100

Tin-117m

Sn-117m

100

Tin-119m

Sn-119m

100

Tin-121m

Sn-121m

100

Tin-121

Sn-121

1,000

Tin-123m

Sn-123m

1,000

Tin-123

Sn-123

10

Tin-125

Sn-125

10

Tin-126

Sn-126

10

Tin-127

Sn-127

1,000

Tin-128

Sn-128

1,000

Antimony-115

Sb-115

1,000

Antimony-116m

Sb-116m

1,000

Antimony-116

Sb-116

1,000

Antimony-117

Sb-117

1,000

Antimony-118m

Sb-118m

1,000

Antimony-119

Sb-119

1,000

Antimony-120 (16 min.)

Sb-120

1,000

Antimony-120 (5.76d)

Sb-120

100

Antimony-122

Sb-122

100

Antimony-124m

Sb-124m

1,000

Antimony-124

Sb-124

10

Antimony-125

Sb-125

100

Antimony-126m

Sb-126m

1,000

Antimony-126

Sb-126

100

Antimony-127

Sb-127

100

Antimony-128 (10.4 min.)

Sb-128

1,000

Antimony-128 (9.01h)

Sb-128

100

Antimony-129

Sb-129

100

Antimony-130

Sb-130

1,000

Antimony-131

Sb-131

1,000

Tellurium-116

Te-116

1,000

Tellurium-121m

Te-121m

10

Tellurium-121

Te-121

100

Tellurium-123m

Te-123m

10

Tellurium-123

Te-123

100

Tellurium-125m

Te-125m

10

Tellurium-127m

Te-127m

10

Tellurium-127

Te-127

1,000

Tellurium-129m

Te-129m

10

Tellurium-129

Te-129

1,000

Tellurium-131m

Te-131m

10

Tellurium-131

Te-131

100

Tellurium-132

Te-132

10

Tellurium-133m

Te-133m

100

Tellurium-133

Te-133

1,000

Tellurium-134

Te-134

1,000

Iodine-120m

I-120m

1,000

Iodine-120

I-120

100

Iodine-121

I-121

1,000

Iodine-123

I-123

100

Iodine-124

I-124

10

Iodine-125

I-125

1

Iodine-126

I-126

1

Iodine-128

I-128

1,000

Iodine-129

I-129

1

Iodine-130

I-130

10

Iodine-131

I-131

1

Iodine-132m

I-132m

100

Iodine-132

I-132

100

Iodine-133

I-133

10

Iodine-134

I-134

1,000

Iodine-135

I-135

100

Xenon-120

Xe-120

1,000

Xenon-121

Xe-121

1,000

Xenon-122

Xe-122

1,000

Xenon-123

Xe-123

1,000

Xenon-125

Xe-125

1,000

Xenon-127

Xe-127

1,000

Xenon-129m

Xe-129m

1,000

Xenon-131m

Xe-131m

1,000

Xenon-133m

Xe-133m

1,000

Xenon-133

Xe-133

1,000

Xenon-135m

Xe-135m

1,000

Xenon-135

Xe-135

1,000

Xenon-138

Xe-138

1,000

Cesium-125

Cs-125

1,000

Cesium-127

Cs-127

1,000

Cesium-129

Cs-129

1,000

Cesium-130

Cs-130

1,000

Cesium-131

Cs-131

1,000

Cesium-132

Cs-132

100

Cesium-134m

Cs-134m

1,000

Cesium-134

Cs-134

10

Cesium-135m

Cs-135m

1,000

Cesium-135

Cs-135

100

Cesium-136

Cs-136

10

Cesium-137

Cs-137

10

Cesium-138

Cs-138

1,000

Barium-126

Ba-126

1,000

Barium-128

B-128

100

Barium-131m

Ba-131m

1,000

Barium-131

Ba-131

100

Barium-133m

Ba-133m

100

Barium-133

Ba-133

100

Barium-135m

Ba-135m

100

Barium-139

Ba-139

1,000

Barium-140

Ba-140

100

Barium-141

Ba-141

1,000

Barium-142

Ba-142

1,000

Lanthanum-131

La-131

1,000

Lanthanum-132

La-132

100

Lanthanum-135

La-135

1,000

Lanthanum-137

La-137

10

Lanthanum-138

La-138

100

Lanthanum-140

La-140

100

Lanthanum-141

La-141

100

Lanthanum-142

La-142

1,000

Lanthanum-143

La-143

1,000

Cerium-134

Ce-134

100

Cerium-135

Ce-135

100

Cerium-137m

Ce-137m

100

Cerium-137

Ce-137

1,000

Cerium-139

Ce-139

100

Cerium-141

Ce-141

100

Cerium-143

Ce-143

100

Cerium-144

Ce-144

1

Praseodymium-136

Pr-136

1,000

Praseodymium-137

Pr-137

1,000

Praseodymium-138m

Pe-138m

1,000

Praseodymium-139

Pe-139

1,000

Praseodymium-142m

Pe-142m

1,000

Praseodymium-142

Pe-142

100

Praseodymium-143

Pe-143

100

Praseodymium-144

Pe-144

1,000

Praseodymium-145

Pe-145

100

Praseodymium-147

Pe-147

1,000

Neodymium-136

Nd-136

1,000

Neodymium-138

Nd-138

100

Neodymium-139m

Nd-139m

1,000

Neodymium-139

Nd-139

1,000

Neodymium-141

Nd-141

1,000

Neodymium-147

Nd-147

100

Neodymium-149

Nd-149

1,000

Neodymium-151

Nd-151

1,000

Promethium-141

Pm-141

1,000

Promethium-143

Pm-143

100

Promethium-144

Pm-144

10

Promethium-145

Pm-145

10

Promethium-146

Pm-146

1

Promethium-147

Pm-147

10

Promethium-148m

Pm-148m

10

Promethium-148

Pm-148

10

Promethium-149

Pm-149

100

Promethium-150

Pm-150

1,000

Promethium-151

Pm-151

100

Samarium-141m

Sm-141m

1,000

Samarium-141

Sm-141

1,000

Samarium-142

Sm-142

1,000

Samarium-145

Sm-145

100

Samarium-146

Sm-146

1

Samarium-147

Sm-147

100

Samarium-151

Sm-151

10

Samarium-153

Sm-153

100

Samarium-155

Sm-155

1,000

Samarium-156

Sm-156

1,000

Europium-145

Eu-145

100

Europium-146

Eu-146

100

Europium-147

Eu-147

100

Europium-148

Eu-148

10

Europium-149

Eu-149

100

Europium-150 (12.62h)

Eu-150

100

Europium-150 (34.2y)

Eu-150

1

Europium-152m

Eu-152m

100

Europium-152

Eu-152

1

Europium-154

Eu-154

1

Europium-155

Eu-155

10

Europium-156

Eu-156

100

Europium-157

Eu-157

100

Europium-158

Eu-158

1,000

Gadolinium-145

Gd-145

1,000

Gadolinium-146

Gd-146

10

Gadolinium-147

Gd-147

100

Gadolinium-148

Gd-148

0.001

Gadolinium-149

Gd-149

100

Gadolinium-151

Gd-151

10

Gadolinium-152

Gd-152

100

Gadolinium-153

Gd-153

10

Gadolinium-159

Gd-159

100

Terbium-147

Tb-147

1,000

Terbium-149

Tb-149

100

Terbium-150

Tb-150

1,000

Terbium-151

Tb-151

100

Terbium-153

Tb-153

1,000

Terbium-154

Tb-154

100

Terbium-155

Tb-155

1,000

Terbium-156m (5.0h)

Tb-156m

1,000

Terbium-156m (24.4h)

Tb-156m

1,000

Terbium-156

Tb-156

100

Terbium-157

Tb-157

10

Terbium-158

Tb-158

1

Terbium-160

Tb-160

10

Terbium-161

Tb-161

100

Dysprosium-155

Dy-155

1,000

Dysprosium-157

Dy-157

1,000

Dysprosium-159

Dy-159

100

Dysprosium-165

Dy-165

1,000

Dysprosium-166

Dy-166

100

Holmium-155

Ho-155

1,000

Holmium-157

Ho-157

1,000

Holmium-159

Ho-159

1,000

Holmium-161

Ho-161

1,000

Holmium-162m

Ho-162m

1,000

Holmium-162

Ho-162

1,000

Holmium-164m

Hp-164m

1,000

Holmium-164

Ho-164

1,000

Holmium-166m

Ho-166m

1

Holmium-166

Ho-166

100

Holmium-167

Ho-167

1,000

Erbium-161

Er-161

1,000

Erbium-165

Er-165

1,000

Erbium-169

Er-169

100

Erbium-171

Er-171

100

Erbium-172

Er-172

100

Thulium-162

Tm-162

1,000

Thulium-166

Tm-166

100

Thulium-167

Tm-167

100

Thulium-170

Tm-170

10

Thulium-171

Tm-171

10

Thulium-172

Tm-172

100

Thulium-173

Tm-173

100

Thulium-175

Tm-175

1,000

Ytterbium-162

Yb-162

1,000

Ytterbium-166

Yb-166

100

Ytterbium-167

Yb-167

1,000

Ytterbium-169

Yb-169

100

Ytterbium-175

Yb-175

100

Ytterbium-177

Yb-177

1,000

Ytterbium-178

Yb-178

1,000

Lutetium-169

Lu-169

100

Lutetium-170

Lu-170

100

Lutetium-171

Lu-171

100

Lutetium-172

Lu-172

100

Lutetium-173

Lu-173

10

Lutetium-174m

Lu-174m

10

Lutetium-174

Lu-174

10

Lutetium-176m

Lu-176m

1,000

Lutetium-176

Lu-176

100

Lutetium-177m

Lu-177m

10

Lutetium-177

Lu-177

100

Lutetium-178m

Lu-178m

1,000

Lutetium-178

Lu-178

1,000

Lutetium-179

Lu-179

1,000

Hafnium-170

Hf-170

100

Hafnium-172

Hf-172

1

Hafnium-173

Hf-173

1,000

Hafnium-175

Hf-175

100

Hafnium-177m

Hf-177m

1,000

Hafnium-178m

Hf-178m

0.1

Hafnium-179m

Hf-179m

10

Hafnium-180m

Hf-180m

1,000

Hafnium-181

Hf-181

10

Hafnium-182m

Hf-182m

1,000

Hafnium-182

Hf-182

0.1

Hafnium-183

Hf-183

1,000

Hafnium-184

Hf-184

100

Tantalum-172

Ta-172

1,000

Tantalum-173

Ta-173

1,000

Tantalum-174

Ta-174

1,000

Tantalum-175

Ta-175

1,000

Tantalum-176

Ta-176

100

Tantalum-177

Ta-177

1,000

Tantalum-178

Ta-178

1,000

Tantalum-179

Ta-179

100

Tantalum-180m

Ta-180m

1,000

Tantalum-180

Ta-180

100

Tantalum-182m

Ta-182m

1,000

Tantalum-182

Ta-182

10

Tantalum-183

Ta-183

100

Tantalum-184

Ta-184

100

Tantalum-185

Ta-185

1,000

Tantalum-186

Ta-186

1,000

Tungsten-176

W-176

1,000

Tungsten-177

W-177

1,000

Tungsten-178

W-178

1,000

Tungsten-179

W-179

1,000

Tungsten-181

W-181

1,000

Tungsten-185

W-185

100

Tungsten-187

W-187

100

Tungsten-188

W-188

10

Rhenium-177

Re-177

1,000

Rhenium-178

Re-178

1,000

Rhenium-181

Re-181

1,000

Rhenium-182 (12.7h)

Re-182

1,000

Rhenium-182 (64.0h)

Re-182

100

Rhenium-184m

Re-184m

10

Rhenium-184

Re-184

100

Rhenium-186m

Re-186m

10

Rhenium-186

Re-186

100

Rhenium-187

Re-187

1,000

Rhenium-188m

Re-188m

1,000

Rhenium-188

Re-188

100

Rhenium-189

Re-189

100

Osmium-180

Os-180

1,000

Osmium-181

Os-181

1,000

Osmium-182

Os-182

100

Osmium-185

Os-185

100

Osmium-189m

Os-189m

1,000

Osmium-191m

Os-191m

1,000

Osmium-191

Os-191

100

Osmium-193

Os-193

100

Osmium-194

Os-194

1

Iridium-182

Ir-182

1,000

Iridium-184

Ir-184

1,000

Iridium-185

Ir-185

1,000

Iridium-186

Ir-186

100

Iridium-187

Ir-187

1,000

Iridium-188

Ir-188

100

Iridium-189

Ir-189

100

Iridium-190m

Ir-190m

1,000

Iridium-190

Ir-190

100

Iridium-192 (73.8d)

Ir-192

1

Iridium-192m (1.4 min.)

Ir-192m

10

Iridium-194m

Ir-194m

10

Iridium-194

Ir-194

100

Iridium-195m

Ir-195m

1,000

Iridium-195

Ir-95

1,000

Platinum-186

Pt-186

1,000

Platinum-188

Pt-188

100

Platinum-189

Pt-189

1,000

Platinum-191

Pt-191

100

Platinum-193m

Pt-193m

100

Platinum-193

Pt-193

1,000

Platinum-195m

Pt-195m

100

Platinum-197m

Pt-197m

1,000

Platinum-197

Pt-197

100

Platinum-199

Pt-199

1,000

Platinum-200

Pt-200

100

Gold-193

Au-193

1,000

Gold-194

Au-194

100

Gold-195

Au-195

10

Gold-198m

Au-198m

100

Gold-198

Au-198

100

Gold-199

Au-199

100

Gold-200m

Au-200m

100

Gold-200

Au-200

1,000

Gold-201

Au-201

1,000

Mercury-193m

Hg-193m

100

Mercury-193

Hg-193

1,000

Mercury-194

Hg-194

1

Mercury-195m

Hg-195m

100

Mercury-195

Hg-195

1,000

Mercury-197m

Hg-197m

100

Mercury-197

Hg-197

1,000

Mercury-199m

Hg-199m

1,000

Mercury-203

Hg-203

100

Thallium-194m

Tl-194m

1,000

Thallium-194

Tl-194

1,000

Thallium-195

Tl-195

1,000

Thallium-197

Tl-197

1,000

Thallium-198m

Tl-198m

1,000

Thallium-198

Tl-198

1,000

Thallium-199

Tl-199

1,000

Thallium-200

Tl-200

1,000

Thallium-201

Tl-201

1,000

Thallium-202

Tl-202

100

Thallium-204

Tl-204

100

Lead-195m

Pb-195m

1,000

Lead-198

Pb-198

1,000

Lead-199

Pb-199

1,000

Lead-200

Pb-200

100

Lead-201

Pb-201

1,000

Lead-202m

Pb-202m

1,000

Lead-202

Pb-202

10

Lead-203

Pb-203

1,000

Lead-205

Pb-205

100

Lead-209

Pb-209

1,000

Lead-210

Pb-210

0.01

Lead-211

Pb-211

100

Lead-212

Pb-212

1

Lead-214

Pb-214

100

Bismuth-200

Bi-200

1,000

Bismuth-201

Bi-201

1,000

Bismuth-202

Bi-202

1,000

Bismuth-203

Bi-203

100

Bismuth-205

Bi-205

100

Bismuth-206

Bi-206

100

Bismuth-207

Bi-207

10

Bismuth-210m

Bi-210m

0.1

Bismuth-210

Bi-210

1

Bismuth-212

Bi-212

10

Bismuth-213

Bi-213

10

Bismuth-214

Bi-214

100

Polonium-203

Po-203

1,000

Polonium-205

Po-205

1,000

Polonium-207

Po-207

1,000

Polonium-210

Po-210

0.1

Astatine-207

At-207

100

Astatine-211

At-211

10

Radon-220

Rn-220

1

Radon-222

Rn-222

1

Francium-222

Fr-222

100

Francium-223

Fr-223

100

Radium-223

Ra-223

0.1

Radium-224

Ra-224

0.1

Radium-225

Ra-225

0.1

Radium-226

Ra-226

0.1

Radium-227

Ra-227

1,000

Radium-228

Ra-228

0.1

Actinium-224

Ac-224

1

Actinium-225

Ac-225

0.01

Actinium-226

Ac-226

0.1

Actinium-227

Ac-227

0.001

Actinium-228

Ac-228

1

Thorium-226

Th-226

10

Thorium-227

Th-227

0.01

Thorium-228

Th-228

0.001

Thorium-229

Th-229

0.001

Thorium-230

Th-230

0.001

Thorium-231

Th-231

100

Thorium-232

Th-232

100

Thorium-234

Th-234

10

Thorium-natural

100

Protactinium-227

Pa-227

10

Protactinium-228

Pa-228

1

Protactinium-230

Pa-230

0.1

Protactinium-231

Pa-231

0.001

Protactinium-232

Pa-232

1

Protactinium-233

Pa-233

100

Protactinium-234

Pa-234

100

Uranium-230

U-230

0.01

Uranium-231

U-231

100

Uranium-232

U-232

0.001

Uranium-233

U-233

0.001

Uranium-234

U-234

0.001

Uranium-235

U-235

0.001

Uranium-236

U-236

0.001

Uranium-237

U-237

100

Uranium-238

U-238

100

Uranium-239

U-239

1,000

Uranium-240

U-240

100

Uranium-natural

100

Neptunium-232

Np-232

100

Neptunium-233

Np-233

1,000

Neptunium-234

Np-234

100

Neptunium-235

Np-235

100

Neptunium-236 (1.15x105y)

Np-236

0.001

Neptunium-236 (22.5h)

Np-236

1

Neptunium-237

Np-237

0.001

Neptunium-238

Np-238

10

Neptunium-239

Np-239

100

Neptunium-240

Np-240

1,000

Plutonium-234

Pu-234

10

Plutonium-235

Pu-235

1,000

Plutonium-236

Pu-236

0.001

Plutonium-237

Pu-237

100

Plutonium-238

Pu-238

0.001

Plutonium-239

Pu-239

0.001

Plutonium-240

Pu-240

0.001

Plutonium-241

Pu-241

0.01

Plutonium-242

Pu-242

0.001

Plutonium-243

Pu-243

1,000

Plutonium-244

Pu-244

0.001

Plutonium-245

Pu-245

100

Americium-237

Am-237

1,000

Americium-238

Am-238

100

Americium-239

Am-239

1,000

Americium-240

Am-240

100

Americium-241

Am-241

0.001

Americium-242m

Am-242m

0.001

Americium-242

Am-242

10

Americium-243

Am-243

0.001

Americium-244m

Am-244m

100

Americium-244

Am-244

10

Americium-245

Am-245

1,000

Americium-246m

Am-246m

1,000

Americium-246

Am-246

1,000

Curium-238

Cm-238

100

Curium-240

Cm-240

0.1

Curium-241

Cm-241

1

Curium-242

Cm-242

0.01

Curium-243

Cm-243

0.001

Curium-244

Cm-244

0.001

Curium-245

Cm-245

0.001

Curium-246

Cm-246

0.001

Curium-247

Cm-247

0.001

Curium-248

Cm-248

0.001

Curium-249

Cm-249

1,000

Berkelium-245

Bk-245

100

Berkelium-246

Bk-246

100

Berkelium-247

Bk-247

0.001

Berkelium-249

Bk-249

0.1

Berkelium-250

Bk-250

10

Californium-244

Cf-244

100

Californium-246

Cf-246

1

Californium-248

Cf-248

0.01

Californium-249

Cf-249

0.001

Californium-250

Cf-250

0.001

Californium-251

Cf-251

0.001

Californium-252

Cf-252

0.001

Californium-253

Cf-253

0.1

Californium-254

Cf-254

0.001

Einsteinium-250

Es-250

100

Einsteinium-251

Es-251

100

Einsteinium-253

Es-253

0.1

Einsteinium-254m

Es-254m

1

Einsteinium-254

Es-254

0.01

Fermium-252

Fm-252

1

Fermium-253

Fm-253

1

Fermium-254

Fm-254

10

Fermium-255

Fm-255

1

Fermium-257

Fm-257

0.01

Mendelevium-257

Md-257

10

Mendelevium-258

Md-258

0.01

Any radionuclide other than alpha emitter radionuclides not listed above, or mixtures of beta emitters of unknown composition

0.01

Any alpha-emitting radionuclide not listed above or mixtures of alpha-emitters of unknown composition

0.001

1The quantities listed above were derived by taking 1/10 of the most restrictive ALI listed in table 1, columns 1 and 2 of 10 CFR Part 20, Appendix B, rounding to the nearest factor of 10, and arbitrarily constraining the values listed between 0.001 and 1,000 μCi. Values of 100 μCi have been assigned for radionuclides having a radioactive half-life in excess of 109 years (except rhenium, 1000 μCi) to take into account their low specific activity.

NOTE: For purposes of 10 CFR 20.1902(e), 10 CFR 20.1905(a), and 10 CFR 20.2201(a) where there is involved a combination of radionuclides in known amounts, the limit for the combination should be derived as follows: determine, for each radionuclide in the combination, the ratio between the quantity present in the combination and the limit otherwise established for the specific radionuclide when not in combination. The sum of such ratios for all radionuclides in the combination may not exceed "1" (i.e., "unity").

Statutory Authority

§ 32.1-229 of the Code of Virginia.

Historical Notes

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

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