Mich. Admin. Code R. 325.5264 - Appendix A4. Concentrations in air and water above natural background. Elements I to L
Rule 264.
(See notes in Rule 270.)
|
TABLE I |
TABLE II |
|||||
|
Element (atomic number) |
Radionuclide* |
Column 1 Air (µCi/ml) |
Column 2 Water (µCi/ml) |
Column 1 Air (µCi/ml) |
Column 2 Water (µCi/ml) |
|
|
Indium (49) |
In-113m |
S |
8 X 10-6 |
4 X 10-2 |
3 X 10-7 |
1 X 10-3 |
|
I |
7 X 10-6 |
4 X 10-2 |
2 X 10-7 |
1 X 10-3 |
||
|
In-114m |
S |
1 X 10-7 |
5 X 10-4 |
4 X 10-9 |
2 X 10-5 |
|
|
I |
2 X 10-8 |
5 X 10-4 |
7 x 10-10 |
2 X 10-5 |
||
|
In-115m |
S |
2 X 10-6 |
1 X 10-2 |
8 X 10-8 |
4 X 10-4 |
|
|
I |
2 X 10-6 |
1 X 10-2 |
6 X 10-8 |
4 X 10-4 |
||
|
In-115 |
S |
2 X 10-7 |
3 X 10-3 |
9 X 10-9 |
9 X 10-5 |
|
|
I |
3 X 10-8 |
3 X 10-3 |
1 X 10-9 |
9 X 10-5 |
||
|
Iodine (53) |
1-125 |
S |
5 X 10-9 |
4 X 10-5 |
8 x 10-11 |
2 X 10-7 |
|
I |
2 X 10-7 |
6 X 10-3 |
6 X 10-9 |
2 X 10-4 |
||
|
1-126 |
S |
8 X 10-9 |
5 X 10-5 |
9 x 10-11 |
3 X 10-7 |
|
|
I |
3 X 10-7 |
3 X 10-3 |
1 X 10-8 |
9 X 10-5 |
||
|
1-129 |
S |
2 X 10-9 |
1 X 10-5 |
2 x 10-11 |
6 X 10-8 |
|
|
I |
7 X 10-8 |
6 X 10-3 |
2 X 10-9 |
2 X 10-4 |
||
|
1-131 |
S |
9 X 10-9 |
6 X 10-5 |
1 X 10-10 |
3 X 10-7 |
|
|
I |
3 X 10-7 |
2 X 10-3 |
1 X 10-8 |
6 X 10-5 |
||
|
1-132 |
S |
2 X 10-7 |
2 X 10-3 |
3 X 10-9 |
8 X 10-6 |
|
|
I |
9 X 10-7 |
5 X 10-3 |
3 X 10-8 |
2 X 10-4 |
||
|
1-133 |
S |
3 X 10-8 |
2 X 10-4 |
4 x 10-10 |
1 X 10-6 |
|
|
I |
2 X 10-7 |
1 X 10-3 |
7 X 10-9 |
4 X 10-5 |
||
|
I-134 |
S |
5 x 10-7 |
4 x 10-3 |
6 x 10-9 |
2 x 10 |
|
|
I |
3 x 10-6 |
2 x 10-2 |
1 x 10-7 |
6 x 10-4 |
||
|
I-135 |
S |
1 x 10-7 |
7 x 10-4 |
1 x 10-9 |
4 x 10-6 |
|
|
I |
4 x 10-7 |
2 x 10-3 |
1 x 10-8 |
7 x 10-5 |
||
|
Iridium (77) |
Ir-190 |
S |
1 x 10-6 |
6 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 |
||
|
Ir-192 |
S |
1 x 10-7 |
1 x 10-3 |
4 x 10-9 |
4 x 10-5 |
|
|
I |
3 x 10-8 |
1 x 10-3 |
9 x 10-10 |
4 x 10-5 |
||
|
Ir-194 |
S |
2 x 10-7 |
1 x 10-3 |
8 x 10-9 |
3 x 10-5 |
|
|
I |
2 x 10-7 |
9 x 10-4 |
5 x 10-9 |
3 x 10-5 |
||
|
Iron (26) |
Fe-55 |
S |
9 x 10-7 |
2 x 10-2 |
3 x 10-8 |
8 x 10-4 |
|
I |
1 x 10-6 |
7 x 10-2 |
3 x 10-8 |
2 x 10-3 |
||
|
Fe-59 |
S |
1 x 10-7 |
2 x 10-3 |
5 x 10-9 |
6 x 10-5 |
|
|
I |
5 x 10-8 |
2 x 10-3 |
2 x 10-9 |
5 x 10-5 |
||
|
Krypton (36) |
Kr-85m |
Sub** |
6 x 10-6 |
----------- |
1 x 10-7 |
----------- |
|
Kr-85 |
Sub** |
1 x 10-5 |
------------ |
3 x 10-7 |
----------- |
|
|
Kr-87 |
Sub** |
1 x 10-6 |
----------- |
2 x 10-8 |
----------- |
|
|
Kr-88 |
Sub** |
1 x 10-6 |
----------- |
2 x 10-8 |
----------- |
|
|
Lanthanum (57) |
La-140 |
S |
2 x 10-7 |
7 x 10-4 |
5 x 10-9 |
2 x 10-5 |
|
I |
1 x 10-7 |
7 x 10-4 |
4 x 10-9 |
2 x 10-5 |
||
|
Lead (82) |
Pb-203 |
S |
3 x 10-6 |
1 x 10-2 |
9 x 10-8 |
4 x 10-4 |
|
I |
2 x 10-6 |
1 x 10-2 |
6 x 10-8 |
4 x 10-4 |
||
|
Pb-210 |
S |
1 x 10-10 |
4 x 10-6 |
4 x 10-12 |
1 x 10-7 |
|
|
I |
2 x 10-10 |
5 x 10-3 |
8 x 10-12 |
2 x 10-4 |
||
|
Pb-212 |
S |
2 x 10-8 |
6 x 10-4 |
6 x 10-10 |
2 x 10-5 |
|
|
I |
2 x 10-8 |
5 x 10-4 |
7 x 10-10 |
2 x 10-5 |
||
|
Lutetium (71) |
Lu-177 |
S |
6 x 10-7 |
3 x 10-3 |
2 x 10-8 |
1 x 10-4 |
|
I |
5 x 10-7 |
3 x 10-3 |
2 x 10-8 |
1 x 10-4 |
||
Notes
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.