Mich. Admin. Code R. 325.5269 - Appendix A9. Concentrations in air and water above natural background. Elements U to Z and certain unlisted radionuclides
Rule 269.
(See notes in Rule 270.)
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TABLE I |
TABLE II |
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|
Element (atomic number) |
Radionuclide* |
Column 1 Air (µCi/ml) |
Column 2 Water (µCi/ml) |
Column 1 Air (µCi/ml) |
Column 2 Water (µCi/ml) |
|
|
Uranium (92) |
U-230 |
S |
3 x 10-10 |
1 x 10-4 |
1 x 10-11 |
5 x 10-6 |
|
I |
1 x 10-10 |
1 x 10-4 |
4 x 10-12 |
5 x 10-6 |
||
|
U-232 |
S |
1 x 10-10 |
8 x 10-4 |
3 x 10-12 |
3 x 10-5 |
|
|
I |
3 x 10-11 |
8 x 10-4 |
9 x 10-13 |
3 x 10-5 |
||
|
U-233 |
S |
5 x 10-10 |
9 x 10-4 |
2 x 10-11 |
3 x 10-5 |
|
|
I |
1 x 10-10 |
9 x 10-4 |
4 x 10-12 |
3 x 10-5 |
||
|
U-234**** |
S |
6 x 10-10 |
9 x 10-4 |
2 x 10-11 |
3 x 10-5 |
|
|
I |
1 x 10-10 |
9 x 10-4 |
4 x 10-12 |
3 x 10-5 |
||
|
U-235**** |
S |
5 x 10-10 |
8 x 10-4 |
2 x 10-11 |
3 x 10-5 |
|
|
I |
1 x 10-10 |
8 x 10-4 |
4 x 10-12 |
3 x 10-5 |
||
|
U-236 |
S |
6 x 10-10 |
1 x 10-3 |
2 x 10-11 |
3 x 10-5 |
|
|
I |
1 x 10-10 |
1 x 10-3 |
4 x 10-12 |
3 x 10-5 |
||
|
U-238**** |
S |
7 x 10-11 |
1 x 10-3 |
3 x 10-12 |
4 x 10-5 |
|
|
I |
1 x 10-10 |
1 x 10-3 |
5 x 10-12 |
4 x 10-5 |
||
|
U-240 |
S |
2 x 10-7 |
1 x 10-3 |
8 x 10-9 |
3 x 10-5 |
|
|
I |
2 x 10-7 |
1 x 10-3 |
6 x 10-9 |
3 x 10-5 |
||
|
U-natural**** |
S |
1 x 10-10 |
1 x 10-3 |
5 x 10-12 |
3 x 10-5 |
|
|
I |
1 x 10-10 |
1 x 10-3 |
5 x 10-12 |
3 x 10-5 |
||
|
Vanadium (23) |
V-48 |
S |
2 x 10-7 |
9 x 10-4 |
6 x 10-9 |
3 x 10-5 |
|
I |
6 x 10-8 |
8 x 10-4 |
2 x 10-9 |
3 x 10-5 |
||
|
Xenon (54) |
Xe-131m |
Sub** |
2 x 10-5 |
----------- |
4 x 10-7 |
----------- |
|
Xe-133m |
Sub |
1 x 10-5 |
----------- |
3 x 10-7 |
----------- |
|
|
Xe-133 |
Sub |
1 x 10-5 |
----------- |
3 x 10-7 |
----------- |
|
|
Xe-135 |
Sub |
4 x 10-6 |
----------- |
1 x 10-7 |
----------- |
|
|
Ytterbium (70) |
Yb-175 |
S |
7 x 10-7 |
3 x 10-3 |
2 x 10-8 |
1 x 10-4 |
|
I |
6 x 10-7 |
3 x 10-3 |
2 x 10-8 |
1 x 10-4 |
||
|
Yttrium (39) |
Y-90 |
S |
1 x 10-7 |
6 x 10-4 |
4 x 10-9 |
2 x 10-5 |
|
I |
1 x 10-7 |
6 x 10-4 |
3 x 10-9 |
2 x 10-5 |
||
|
Y-91m |
S |
2 x 10-5 |
1 x 10-1 |
8 x 10-7 |
3 x 10-3 |
|
|
I |
2 x 10-5 |
1 x 10-1 |
6 x 10-7 |
3 x 10-3 |
||
|
Y-91 |
S |
4 x 10-8 |
8 x 10-4 |
1 x 10-9 |
3 x 10-5 |
|
|
I |
3 x 10-8 |
8 x 10-4 |
1 x 10-9 |
3 x 10-5 |
||
|
Y-92 |
S |
4 x 10-7 |
2 x 10-3 |
1 x 10-8 |
6 x 10-5 |
|
|
I |
3 x 10-7 |
2 x 10-3 |
1 x 10-8 |
6 x 10-5 |
||
|
Y-93 |
S |
2 x 10-7 |
8 x 10-4 |
6 x 10-9 |
3 x 10-5 |
|
|
I |
1 x 10-7 |
8 x 10-4 |
5 x 10-9 |
3 x 10-5 |
||
|
Zinc (30) |
Zn-65 |
S |
1 x 10-7 |
3 x 10-3 |
4 x 10-9 |
1 x 10-4 |
|
I |
6 x 10-8 |
5 x 10-3 |
2 x 10-9 |
2 x 10-4 |
||
|
Zn-69m |
S |
4 x 10-7 |
2 x 10-3 |
1 x10-8 |
7 x 10-5 |
|
|
I |
3 x 10-7 |
2 x 10-3 |
1 x 10-8 |
6 x 10-5 |
||
|
Zn-69 |
S |
7 x 10-6 |
5 x 10-2 |
2 x 10-7 |
2 x 10-3 |
|
|
I |
9 x 10-6 |
5 x 10-2 |
3 x 10-7 |
2 x 10-3 |
||
|
Zirconium (40) |
Zr-93 |
S |
1 x 10-7 |
2 x 10-2 |
4 x 10-9 |
8 x 10-4 |
|
I |
3 x 10-7 |
2 x 10-2 |
1 x 10-8 |
8 x 10-4 |
||
|
Zr-95 |
S |
1 x 10-7 |
2 x 10-3 |
4 x 10-9 |
6 x 10-5 |
|
|
I |
3 x 10-8 |
2 x 10-3 |
1 x 10-9 |
6 x 10-5 |
||
|
Zr-97 |
S |
1 x 10-7 |
5 x 10-4 |
4 x 10-9 |
2 x 10-5 |
|
|
I |
9 x 10-8 |
5 x 10-4 |
3 x 10-9 |
2 x 10-5 |
||
|
Any single radionuclide not listed in Appendix A1 to A9 with decay mode other than alpha emission or spontaneous fission and with radioactive half-life less than 2 hours. Sub |
1 x 10-6 |
----------- |
3 x 10-8 |
----------- |
||
|
Any single radionuclide not listed in Appendix A1 to A9 with decay mode other than alpha emission or spontaneous fission and with radioactive half-life greater than 2 hours. |
3 x 10-9 |
9 x 10-5 |
1 x 10-10 |
3 x 10-6 |
||
|
Any single radionuclide not listed in Appendix A1 to A9 which decays by alpha emission or spontaneous fission. |
6 x 10-13 |
4 x 10-7 |
2 x 10-14 |
3 x 10-8 |
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