Table A.1. Thresholds for radionuclides Category 2

DOE-STD-6003-96

established for magnetic fusion facilities, the HC-3 threshold limits provided in DOE-STD 1027-

92 should be used for HC-3 classification if the isotopes in question have threshold limit values

in 1027. If the isotopes are not listed in 1027, calculate the threshold limits using the methodol-

ogy contained in this Standard.

TABLE A.1. Thresholds for radionuclides Category 2

Threshold quantities

Fusion values

DOE 1027

Half-life

Release

Nuclide

T (days)

(grams)

(TBq)

(Ci)

(TBq)

(Ci)

fractions

H 3

4.49E+03

3.09E+01

1.12E+04

3.03E+05

1.11E+04 3.00E+05 1.00E+00

Be 7

5.34E+01

2.77E+02

3.61E+06

9.76E+07

1.00E03

Be 10

5.84E+08

3.61E+06

3.02E+03

8.16E+04

1.00E03

C 11

1.42E02

7.28E03

2.29E+05

6.19E+06

1.00E02

C 14

2.09E+06

3.02E+05

5.03E+04

1.36E+06

5.18E+04 1.40E+06 1.00E02

N 13

6.92E03

4.21E05

2.29E+03

6.19E+04

1.00E+00

N 16

8.25E05

1.14E07

4.21E+02

1.14E+04

1.00E+00

O 15

1.41E03

9.94E06

2.29E+03

6.19E+04

1.00E+00

F 18

7.63E02

1.15E03

4.08E+03

1.10E+05

5.00E01

Na 22

9.50E+02

1.00E+00

2.35E+02

6.35E+03

2.33E+02 6.30E+03 5.00E01

Na 24

6.25E01

2.09E03

6.80E+02

1.84E+04

5.00E01

Mg 27

6.57E03

8.53E02

2.35E+06

6.35E+07

1.00E03

Mg 28

8.75E01

1.15E+00

2.29E+05

6.19E+06

1.00E03

Al 26

2.61E+08

2.44E+07

1.75E+04

4.73E+05

1.00E03

Al 28

1.56E03

1.04E02

1.17E+06

3.16E+07

1.00E03

Si 31

1.09E01

4.57E+00

6.59E+06

1.78E+08

1.00E03

Si 32

6.28E+04

9.88E+03

2.40E+04

6.49E+05

1.00E03

P 32

1.43E+01

3.60E02

3.84E+02

1.04E+04

1.63E+00 4.41E+01 5.00E01

P 33

2.54E+01

5.95E01

3.47E+03

9.38E+04

1.11E+03 3.00E+04 5.00E01

S 35

8.74E+01

4.57E+00

7.29E+03

1.97E+05

9.25E+02 2.50E+04 5.00E01

S 37

3.51E03

3.25E03

1.22E+05

3.30E+06

5.00E01

Cl 36

1.10E+08

8.16E+05

1.01E+03

2.73E+04

5.18E+01 1.40E+03 5.00E01

Cl 38

2.58E02

4.75E04

2.36E+03

6.38E+04

5.00E01

Cl 39

3.86E02

6.72E03

2.18E+04

5.89E+05

5.00E01

Cl 40

9.38E04

1.59E03

2.07E+05

5.59E+06

5.00E01

Ar 37

3.50E+01

4.57E+05

1.72E+09

4.65E+10

1.00E+00

Ar 41

7.61E02

1.13E03

1.77E+03

4.78E+04

1.00E+00

K 40

4.66E+11

6.69E+08

1.75E+02

4.73E+03

1.74E+02 4.70E+03 5.00E01

K 42

5.15E01

7.61E03

1.72E+03

4.65E+04

5.00E01

K 43

9.42E01

1.75E02

2.10E+03

5.68E+04

5.00E01

Ca 41

3.76E+07

2.57E+08

8.13E+05

2.20E+07

1.00E03

Ca 45

1.63E+02

2.60E+02

1.73E+05

4.68E+06

1.74E+05 4.70E+06 1.00E03

Ca 47

4.54E+00

7.70E+00

1.76E+05

4.76E+06

1.78E+05 4.81E+06 1.00E03

151