Mich. Admin. Code R. 325.5261 - Appendix A1. Concentrations in air and water above natural background. Elements A and B
Rule 261.
(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) |
|
|
Actinium (89) |
Ac-227 |
S |
2 x 10-12 |
6 x 10-5 |
8 x 10-14 |
2 x 10-6 |
|
I |
3 x 10-11 |
9 x 10-3 |
9 x 10-13 |
3 x 10-4 |
||
|
Ac-228 |
S |
8 x 10-8 |
3 x 10-3 |
3 x 10-9 |
9 x 10-5 |
|
|
I |
2 x 10-8 |
3 x 10-3 |
6 x 10-10 |
9 x 10-5 |
||
|
Americium (95) |
Am-241 |
S |
6 x 10-12 |
1 x 10-4 |
2 x 10-13 |
4 x 10-6 |
|
I |
1 x 10-10 |
8 x 10-4 |
4 x 10-12 |
3 x 10-5 |
||
|
Am-242m |
S |
6 x 10-12 |
1 x 10-4 |
2 x 10-13 |
4 x 10-6 |
|
|
I |
3 x 10-10 |
3 x 10-3 |
9 x 10-12 |
9 x 10-5 |
||
|
Am-242 |
S |
4 x 10-8 |
4 x 10-3 |
1 x 10-9 |
1 x 10-4 |
|
|
I |
5 x 10-8 |
4 x 10-3 |
2 x 10-9 |
1 x 10-4 |
||
|
Am-243 |
S |
6 x 10-12 |
1 x 10-4 |
2 x 10-13 |
4 x 10-6 |
|
|
I |
1 x 10-10 |
8 x 10-4 |
4 x 10-12 |
3 x 10-5 |
||
|
Am-244 |
S |
4 x 10-6 |
1 x 10-1 |
1 x 10-7 |
5 x 10-3 |
|
|
I |
2 x 10-5 |
1 x 10-1 |
8 x 10-7 |
5 x 10-3 |
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|
Antimony (51) |
Sb-122 |
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 |
||
|
Sb-124 |
S |
2 x 10-7 |
7 x 10-4 |
5 x 10-9 |
2 x 10-5 |
|
|
I |
2 x 10-8 |
7 x 10-4 |
7 x 10-10 |
2 x 10-5 |
||
|
Sb-125 |
S |
5 x 10-7 |
3 x 10-3 |
2 x 10-8 |
1 x 10-4 |
|
|
I |
3 x 10-8 |
3 x 10-3 |
9 x 10-10 |
1 x 10-4 |
||
|
Argon (18) |
A-37 |
Sub** |
6 x 10-3 |
----------- |
1 x 10-4 |
----------- |
|
A-41 |
Sub |
2 x 10-6 |
----------- |
4 x 10-8 |
----------- |
|
|
Arsenic (33) |
As-73 |
S |
2 x 10-6 |
1 x 10-2 |
7 x 10-8 |
5 x 10-4 |
|
I |
4 x 10-7 |
1 x 10-2 |
1 x 10-8 |
5 x 10-4 |
||
|
As-74 |
S |
3 x 10-7 |
2 x 10-3 |
1 x 10-8 |
5 x 10-5 |
|
|
I |
1 x 10-7 |
2 x 10-3 |
4 x 10-9 |
5 x 10-5 |
||
|
As-76 |
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 |
||
|
As-77 |
S |
5 x 10-7 |
2 x 10-3 |
2 x 10-8 |
8 x 10-5 |
|
|
I |
4 x 10-7 |
2 x 10-3 |
1 x 10-8 |
8 x 10-5 |
||
|
Astatine (85) |
At-211 |
S |
7 x 10-9 |
5 x 10-5 |
2 x 10-10 |
2 x 10-6 |
|
I |
3 x 10-8 |
2 x 10-3 |
1 x 10-9 |
7 x 10-5 |
||
|
Barium (56) |
Ba-131 |
S |
1 x 10-6 |
5 x 10-3 |
4 x 10-8 |
2 x 10-4 |
|
I |
4 x 10-7 |
5 x 10-3 |
1 x 10-8 |
2 x 10-4 |
||
|
Ba-140 |
S |
1 x 10-7 |
8 x 10-4 |
4 x 10-9 |
3 x 10-5 |
|
|
I |
4 x 10-8 |
7 x 10-4 |
1 x 10-9 |
2 x 10-5 |
||
|
Berkelium (97) |
Bk-249 |
S |
9 x 10-10 |
2 x 10-2 |
3 x 10-11 |
6 x 10-4 |
|
I |
1 x 10-7 |
2 x 10-2 |
4 x 10-9 |
6 x 10-4 |
||
|
Bk-250 |
S |
1 x 10-7 |
6 x 10-3 |
5 x 10-9 |
2 x 10-4 |
|
|
I |
1 x 10-6 |
6 x 10-3 |
4 x 10-8 |
2 x 10-4 |
||
|
Beryllium (4) |
Be-7 |
S |
6 x 10-6 |
5 x 10-2 |
2 x 10-7 |
2 x 10-3 |
|
I |
1 x 10-6 |
5 x 10-2 |
4 x 10-8 |
2 x 10-3 |
||
|
Bismuth (83) |
Bi-206 |
S |
2 x 10-7 |
1 x 10-3 |
6 x 10-9 |
4 x 10-5 |
|
I |
1 x 10-7 |
1 x 10-3 |
5 x 10-9 |
4 x 10-5 |
||
|
Bi-207 |
S |
2 x 10-7 |
2 x 10-3 |
6 x 10-9 |
6 x 10-5 |
|
|
I |
1 x 10-8 |
2 x 10-3 |
5 x 10-10 |
6 x 10-5 |
||
|
Bi-210 |
S |
6 x 10-9 |
1 x 10-3 |
2 x 10-10 |
4 x 10-5 |
|
|
I |
6 x 10-9 |
1 x 10-3 |
2 x 10-10 |
4 x 10-5 |
||
|
Bi-212 |
S |
1 x 10-7 |
1 x 10-2 |
3 x 10-9 |
4 x 10-4 |
|
|
I |
2 x 10-7 |
1 x 10-2 |
7 x 10-9 |
4 x 10-4 |
||
|
Bromine (35) |
Br-82 |
S |
1 x 10-6 |
8 x 10-3 |
4 x 10-8 |
3 x 10-4 |
|
I |
2 x 10-7 |
1 x 10-3 |
6 x 10-9 |
4 x 10-5 |
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Notes
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