Code of Massachusetts Regulations
105 CMR - DEPARTMENT OF PUBLIC HEALTH
Title 105 CMR 120.000 - The Control of Radiation
RECORDS
Section 120.197 - Appendix C - Limits for Broad Licenses

Current through Register 1531, September 27, 2024

RADIOACTIVE MATERIAL

COLUMN I CURIES

COLUMN II CURIES

Antimony-122

1.0

0.01

Antimony-124

1.0

0.01

Antimony-125

1.0

0.01

Arsenic-73

10.0

0.1

Arsenic-74

1.0

0.01

Arsenic-76

1.0

0.01

Arsenic-77

10.0

0.1

Barium-131

10.0

0.1

Barium-140

1.0

0.01

Beryllium-7

10.0

0.1

Bismuth-210

0.1

0.001

Bromine-82

10.0

0.1

Cadmium-109

1.0

0.01

Cadmium-115m

1.0

0.01

Cadmium-115

10.0

0.1

Calcium-45

1.0

0.01

Calcium-47

10.0

0.1

Carbon-14

100.0

1.0

Cerium-141

10.0

0.1

Cerium-143

10.0

0.1

Cerium-144

0.1

0.001

Cesium-131

100.0

1.0

Cesium-134m

100.0

1.0

Cesium-134

0.1

0.001

Cesium-135

1.0

0.01

Cesium-136

10.0

0.1

Cesium-137

0.1

0.001

Chlorine-36

1.0

0.01

Chlorine-38

100.0

1.0

Chromium-51

100.0

1.0

Cobalt-57

10.0

0.1

Cobalt-58m

100.0

1.0

Cobalt-58

1.0

0.01

Cobalt-60

0.1

0.001

Copper-64

10.0

0.1

Dysprosium-165

100.0

1.0

Dysprosium-166

10.0

0.1

Erbium-169

10.0

0.1

Erbium-171

10.0

0.1

Europium-152 (9.2 h)

10.0

0.1

Europium-152 (13 y)

0.1

0.001

Europium-154

0.1

0.001

Europium-155

1.0

0.01

Fluorine-18

100.0

1.0

Gadolinium-153

1.0

0.01

Gadolinium-159

10.0

0.1

Gallium-72

10.0

0.1

Germanium-71

100.0

1.0

Gold-198

10.0

0.1

Gold-199

10.0

0.1

Hafnium-181

1.0

0.01

Holmium-166

10.0

0.1

Hydrogen-3

100.0

1.0

Indium-113m

100.0

1.0

Indium-114m

1.0

0.01

Indium-115m

100.0

1.0

Indium-115

1.0

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

0.1

Iodine-133

1.0

0.01

Iodine-134

10.0

0.1

Iodine-135

1.0

0.01

Iridium-192

1.0

0.01

Iridium-194

10.0

0.1

Iron-55

10.0

0.1

Iron-59

1.0

0.01

Krypton-85

100.0

1.0

Krypton-87

10.0

0.1

Lanthanum-140

1.0

0.01

Lutetium-177

10.0

0.1

Manganese-52

1.0

0.01

Manganese-54

1.0

0.01

Manganese-56

10.0

0.1

Mercury-197m

10.0

0.1

Mercury-197

10.0

0.1

Mercury-203

1.0

0.01

Molybdenum-99

10.0

0.1

Neodymium-147

10.0

0.1

Neodymium-149

10.0

0.1

Nickel-59

10.0

0.1

Nickel-63

1.0

0.01

Nickel-65

10.0

0.1

Niobium-93m

1.0

0.01

Niobium-95

1.0

0.01

Niobium-97

100.0

1.0

Osmium-185

1.0

0.01

Osmium-191m

100.0

1.0

Osmium-191

10.0

0.1

Osmium-193

10.0

0.1

Palladium-103

10.0

0.1

Palladium-109

10.0

0.1

Phosphorus-32

1.0

0.01

Phosphorus-33

10.0

0.1

Platinum-191

10.0

0.1

Platinum-193m

100.0

1.0

Platinum-193

10.0

0.1

Platinum-197m

100.0

1.0

Platinum-197

10.0

0.1

Polonium-210

0.01

0.0001

Potassium-42

1.0

0.01

Praseodymium-142

10.0

0.1

Praseodymium-143

10.0

0.1

Promethium-147

1.0

0.01

Promethium-149

10.0

0.1

Radium-226

0.01

0.0001

Rhenium-186

10.0

0.1

Rhenium-188

10.0

0.1

Rhodium-103m

1,000.0

10.0

Rhodium-105

10.0

0.1

Rubidium-86

1.0

0.01

Rubidium-87

1.0

0.01

Ruthenium-97

100.0

1.0

Ruthenium-103

1.0

0.01

Ruthenium-105

10.0

0.1

Ruthenium-106

0.1

0.001

Samarium-151

1.0

0.01

Samarium-153

10.0

0.1

Scandium-46

1.0

0.01

Scandium-47

10.0

0.1

Scandium-48

1.0

0.01

Selenium-75

1.0

0.01

Silicon-31

10.0

0.1

Silver-105

1.0

0.01

Silver-110m

0.1

0.001

Silver-111

10.0

0.1

Sodium-22

0.1

0.001

Sodium-24

1.0

0.01

Strontium-85m

1,000.0

10.0

Strontium-85

1.0

0.01

Strontium-89

1.0

0.01

Strontium-90

0.01

0.0001

Strontium-91

10.0

0.1

Strontium-92

10.0

0.1

Sulphur-35

10.0

0.1

Tantalum-182

1.0

0.01

Technetium-96

10.0

0.1

Technetium-97m

10.0

0.1

Technetium-97

10.0

0.1

Technetium-99m

100.0

1.0

Technetium-99

1.0

0.01

Tellurium-125m

1.0

0.01

Tellurium-127m

1.0

0.01

Tellurium-127

10.0

0.1

Tellurium-129m

1.0

0.01

Tellurium-129

100.0

1.0

Tellurium-131m

10.0

0.1

Tellurium-132

1.0

0.01

Terbium-160

1.0

0.01

Thallium-200

10.0

0.1

Thallium-201

10.0

0.1

Thallium-202

10.0

0.1

Thallium-204

1.0

0.01

Thulium-170

1.0

0.01

Thulium-171

1.0

0.01

Tin-113

1.0

0.01

Tin-125

1.0

0.01

Tungsten-181

1.0

0.01

Tungsten-185

1.0

0.01

Tungsten-187

10.0

0.1

Vanadium-48

1.0

0.01

Xenon-131m

1,000.0

10.0

Xenon-133

100.0

1.0

Xenon-135

100.0

1.0

Ytterbium-175

10.0

0.1

Yttrium-90

1.0

0.01

Yttrium-91

1.0

0.01

Yttrium-92

10.0

0.1

Yttrium-93

1.0

0.01

Zinc-65

1.0

0.01

Zinc-69m

10.0

0.1

Zinc-69

100.0

1.0

Zirconium-93

1.0

0.01

Zirconium-95

1.0

0.01

Zirconium-97

1.0

0.01

Any Radioactive material other than source material, special nuclear material, or alpha emitting radioactive material not listed above.

0.1

0.001

Note 1: To convert curies (Ci) to SI units of gigabecquerels (GBq), multiply the above values by 37.

Example: Zirconium-97 (Col. II) (0.01 Ci multiplied by 37 is equivalent to 0.37 GBq)

Disclaimer: These regulations may not be the most recent version. Massachusetts may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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