C.M.R. 10, 144, ch. 220, pt. C, sch. D

Current through 2024-51, December 18, 2024
Schedule D - QUANTITIES OF RADIOACTIVE MATERIALS REQUIRING CONSIDERATION OF THE NEED FOR AN EMERGENCY PLAN FOR RESPONDING TO A RELEASE

Radioactive Material

Release Fraction

Quantity (curies)

Radioactive Material

Release Fraction

Quantity (curies)

Actinium-228

0.001

4,000

Krypton-85

1

6,000,000

Americium-241

0.001

2

Lead-210

0.01

8

Americium-242

0.001

2

Manganese-56

0.01

60,000

Americium-243

0.001

2

Mercury-203

0.01

10,000

Antimony-124

0.01

4,000

Molybdenum-99

0.01

30,000

Antimony-126

0.01

6,000

Neptunium-237

0.001

2

Barium-133

0.01

10,000

Nickel-63

0.01

20,000

Barium-140

0.01

30,000

Niobium-94

0.01

300

Bismuth-207

0.01

5,000

Phosphorus-32

0.5

100

Bismuth-210

0.01

600

Phosphorus-33

0.5

1,000

Cadmium-109

0.01

1,000

Polonium-210

0.01

10

Cadmium-113

0.01

80

Potassium-42

0.01

9,000

Calcium-45

0.01

20,000

Promethium-145

0.01

4,000

Californium-252

0.001

9 (20 mg)

Promethium-147

0.01

4,000

Carbon-14 (NonCO2)

0.01

50,000

Radium-226

0.001

100

Cerium-141

0.01

10,000

Ruthenium-106

0.01

200

Cerium-144

0.01

300

Samarium-151

0.01

4,000

Cesium-134

0.01

2,000

Scandium-46

0.01

3,000

Cesium-137

0.01

3,000

Selenium-75

0.01

10,000

Chlorine-36

0.5

100

Silver-110m

0.01

1,000

Chromium-51

0.01

300,000

Sodium-22

0.01

9,000

Cobalt-60

0.001

5,000

Sodium-24

0.01

10,000

Copper-64

0.01

200,000

Strontium-89

0.01

3,000

Curium-242

0.001

60

Strontium-90

0.01

90

Curium-243

0.001

3

Sulphur-35

0.5

900

Curium-244

0.001

4

Technetium-99

0.01

10,000

Curium-245

0.001

2

Technetium-99m

0.01

400,000

Europium-152

0.01

500

Tellurium-127m

0.01

5,000

Europium-154

0.01

400

Tellurium-129m

0.01

5,000

Europium-155

0.01

3,000

Terbium-160

0.01

4,000

Gadolinium-153

0.01

5,000

Thulium-170

0.01

4,000

Germanium-68

0.01

2,000

Tin-113

0.01

10,000

Gold-198

0.01

30,000

Tin-123

0.01

3,000

Hafnium-172

0.01

400

Tin-126

0.01

1,000

Hafnium-181

0.01

7,000

Titanium-44

0.01

100

Holmium-166m

0.01

100

Vanadium-48

0.01

7,000

Hydrogen-3

0.5

20,000

Xenon-133

1

900,000

Indium-114m

0.01

1,000

Yttrium-91

0.01

2,000

Iodine-125

0.5

10

Zinc-65

0.01

5,000

Iodine-131

0.5

10

Zirconium-93

0.01

400

Iridium-192

0.001

40,000

Zirconium-95

0.01

5,000

Iron-55

0.01

40,000

Iron-59

0.01

7,000

Any other beta-gamma emitter

0.01

10,000

Irradiated material, solid noncombustible

0.001

10,000

Mixed fission products

0.01

1,000

Mixed radioactive waste, beta-gamma

0.01

1,000

Mixed corrosion products

0.01

10,000

Packaged mixed waste, beta-gamma

0.001

10,000

Contaminated equipment beta-gamma

0.001

10,000

Any other alpha emitter

0.001

2

Contaminated equipment alpha

0.0001

20

Irradiated material, any form other than solid noncombustible

0.01

1,000

Packaged waste, alpha

0.0001

20

Combinations of radioactive materials listed above

C.M.R. 10, 144, ch. 220, pt. C, sch. D