NAC459.1951. Application for license: Quantities of radioisotopes for which evaluation or emergency plan is required.  


Latest version.
  •      1. The following table sets forth quantities of radioisotopes for the purposes of subsections 1 and 2 of NAC 459.195.


    Radioactive

    material

    Release

    fraction

    Quantity

    (curies)

    Actinium-228

    0.001

    4,000

    Americium-241

    .001

    2

    Americium-242

    .001

    2

    Americium-243

    .001

    2

    Antimony-124

    .01

    4,000

    Antimony-126

    .01

    6,000

    Barium-133

    .01

    10,000

    Barium-140

    .01

    30,000

    Bismuth-207

    .01

    5,000

    Bismuth-210

    .01

    600

    Cadmium-109

    .01

    1,000

    Cadmium-113

    .01

    80

    Calcium-45

    .01

    20,000

    Californium-252

    .001

    9(20mg)

    Carbon-14

    .01

    50,000

    Non CO2

    Cerium-141

    .01

    10,000

    Cerium-144

    .01

    300

    Cesium-134

    .01

    2,000

    Cesium-137

    .01

    3,000

    Chlorine-36

    .5

    100

    Chromium-51

    .01

    300,000

    Cobalt-60

    .001

    5,000

    Copper-64

    .01

    200,000

    Curium-242

    .001

    60

    Curium-243

    .001

    3

    Curium-244

    .001

    4

    Curium-245

    .001

    2

    Europium-152

    .01

    500

    Europium-154

    .01

    400

    Europium-155

    .01

    3,000

    Germanium-68

    .01

    2,000

    Gadolinium-153

    .01

    5,000

    Gold-198

    .01

    30,000

    Hafnium-172

    .01

    400

    Hafnium-181

    .01

    7,000

    Holmium-166m

    .01

    100

    Hydrogen-3

    .5

    20,000

    Iodine-125

    .5

    10

    Iodine-131

    .5

    10

    Indium-114m

    .01

    1,000

    Iridium-192

    .001

    40,000

    Iron-55

    .01

    40,000

    Iron-59

    .01

    7,000

    Krypton-85

    1.0

    6,000,000

    Lead-210

    .01

    8

    Manganese-56

    .01

    60,000

    Mercury-203

    .01

    10,000

    Molybdenum-99

    .01

    30,000

    Neptunium-237

    .001

    2

    Nickel-63

    .01

    20,000

    Niobium-94

    .01

    300

    Phosphorus-32

    .5

    100

    Phosphorus-33

    .5

    1,000

    Polonium-210

    .01

    10

    Potassium-42

    .01

    9,000

    Promethium-145

    .01

    4,000

    Promethium-147

    .01

    4,000

    Radium-226

    .001

    100

    Ruthenium-106

    .01

    200

    Samarium-151

    .01

    4,000

    Scandium-46

    .01

    3,000

    Selenium-75

    .01

    10,000

    Silver-110m

    .01

    1,000

    Sodium-22

    .01

    9,000

    Sodium-24

    .01

    10,000

    Strontium-89

    .01

    3,000

    Strontium-90

    .01

    90

    Sulfur-35

    .5

    900

    Technetium-99

    .01

    10,000

    Technetium-99m

    .01

    400,000

    Tellurium-127m

    .01

    5,000

    Tellurium-129m

    .01

    5,000

    Terbium-160

    .01

    4,000

    Thulium-170

    .01

    4,000

    Tin-113

    .01

    10,000

    Tin-123

    .01

    3,000

    Tin-126

    .01

    1,000

    Titanium-44

    .01

    100

    Vanadium-48

    .01

    7,000

    Xenon-133

    1.00

    900,000

    Yttrium-91

    .01

    2,000

    Zinc-65

    .01

    5,000

    Zirconium-93

    .01

    400

    Zirconium-95

    .01

    5,000

    Any other beta-gamma emitter

    .01

    10,000

    Mixed fission products

    .01

    1,000

    Mixed corrosion products

    .01

    10,000

    Contaminated equipment beta-gamma

    .001

    10,000

    Irradiated material, any form other than solid noncombustible

    .01

    1,000

    Irradiated material, solid noncombustible

    .001

    10,000

    Mixed radioactive waste, beta-gamma

    .01

    1,000

    Packaged mixed waste, beta-gamma

    .001

    10,000

    Any other alpha emitter

    .001

    2

    Contaminated equipment, alpha

    .0001

    20

    Packaged waste, alpha

    .0001

    20

         2. For combinations of radioactive materials, consideration of the need for an emergency plan pursuant to NAC 459.195 is required if the sum of the ratios of the quantity of each radioactive material authorized to the quantity listed for that material in Schedule C exceeds 1.

         3. Waste packaged in Type B containers does not require an emergency plan pursuant to NAC 459.195.

     (Added to NAC by Bd. of Health, eff. 10-22-93; A by R185-08, 5-7-2010)