Michigan Administrative Code › Department - Environmental Quality › Office of Waste Management & Radiological Protection › Ionizing Radiation Rules for Radioactive Material › Part 5 - STANDARDS FOR PROTECTION AGAINST RADIATION › TRANSPORTATION › Section R. 325.5267 - Appendix A7. Concentrations in air and water above natural background. Elements R and S

Current through Vol. 24-12, July 15, 2024
Rule 267.
(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)
Radium (88)
Ra-223
S
2 x 10-9
2 x 10-5
6 x 10-11
7 x 10-7
I
2 x 10-10
1 x 10-4
8 x 10-12
4 x 10-6
Ra-224
S
5 x 10-9
7 x 10-5
2 x 10-10
2 x 10-6
I
7 x 10-10
2 x 10-4
2 x 10-11
5 x 10-6
Ra-226
S
3 x 10-11
4 x 10-7
3 x 10-12
3 x 10-8
I
5 x 10-11
9 x 10-4
2 x 10-12
3 x 10-5
Ra-228
S
7 x 10-11
8 x 10-7
2 x 10-12
3 x 10-8
I
4 x 10-11
7 x 10-4
1 x 10-12
3 x 10-5
Radon (86)
Rn-220
S
3 x 10-7
-----------
1 x 10-8
-----------
I
-----------
----------
-----------
-----------
Rn-222***
S
1 x 10-7
-----------
3 x 10-9
-----------
Rhenium (75)
Re-183
S
3 x 10-6
2 x 10-2
9 x 10-8
6 x 10-4
I
2 x 10-7
8 x 10-3
5 x 10-9
3 x 10-4
Re-186
S
6 x 10-7
3 x 10-3
2 x 10-8
9 x 10-5
I
2 x 10-7
1 x 10-3
8 x 10-9
5 x 10-5
Re-187
S
9 x 10-6
7 x 10-2
3 x 10-7
3 x 10-3
I
5 x 10-7
4 x 10-2
2 x 10-8
2 x 10-3
Re-188
S
4 x 10-7
2 x 10-3
1 x 10-8
6 x 10-5
I
2 x 10-7
9 x 10-4
6 x 10-9
3 x 10-5
Rhodium (45)
Rh-103m
S
8 x 10-5
4 x 10-1
3 x 10-6
1 x 10-2
I
6 x 10-5
3 x 10-1
2 x 10-6
1 x 10-2
Rh-105
S
8 x 10-7
4 x 10-3
3 x 10-8
1 x 10-4
I
5 x 10-7
3 x 10-3
2 x 10-8
1 x 10-4
Rubidium (37)
Rb-86
S
3 x 10-7
2 x 10-3
1 x 10-8
7 x 10-5
I
7 x 10-8
7 x 10-4
2 x 10-9
2 x 10-5
Rb-87
S
5 x 10-7
3 x 10-3
2 x 10-8
1 x 10-4
I
7 x 10-8
5 x 10-3
2 x 10-9
2 x 10-4
Ruthenium (44)
Ru-97
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
3 x 10-4
Ru-103
S
5 x 10-7
2 x 10-3
2 x 10-8
8 x 10-5
I
8 x 10-8
2 x 10-3
3 x 10-9
8 x 10-5
Ru-105
S
7 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
Ru-106
S
8 x 10-8
4 x 10-4
3 x 10-9
1 x 10-5
I
6 x 10-9
3 x 10-4
2 x 10-10
1 x 10-5
Samarium (62)
Sm-147
S
7 x 10-11
2 x 10-3
2 x 10-12
6 x 10-5
I
3 x 10-10
2 x 10-3
9 x 10-12
7 x 10-5
Sm-151
S
6 x 10-8
1 x 10-2
2 x 10-9
4 x 10-4
I
1 x 10-7
1 x 10-2
5 x 10-9
4 x 10-4
Sm-153
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
Scandium (21)
Sc-46
S
2 x 10-7
1 x 10-3
8 x 10-9
4 x 10-5
I
2 x 10-8
1 x 10-3
8 x 10-10
4 x 10-5
Sc-47
S
6 x 10-7
3 x 10-3
2 x 10-8
9 x 10-5
I
5 x 10-7
3 x 10-3
2 x 10-8
9 x 10-5
Sc-48
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
Selenium (34)
Se-75
S
1 x 10-6
9 x 10-3
4 x 10-8
3 x 10-4
I
1 x 10-7
8 x 10-3
4 x 10-9
3 x 10-4
Silicon (14)
Si-31
S
6 x 10-6
3 x 10-2
2 x 10-7
9 x 10-4
I
1 x 10-6
6 x 10-3
3 x 10-8
2 x 10-4
Silver (47)
Ag-105
S
6 x 10-7
3 x 10-3
2 x 10-8
1 x 10-4
I
8 x 10-8
3 x 10-3
3 x 10-9
1 x 10-4
Ag-110m
S
2 x 10-7
9 x 10-4
7 x 10-9
3 x 10-5
I
1 x 10-8
9 x 10-4
3 x 10-10
3 x 10-5
Ag-111
S
3 x 10-7
1 x 10-3
1 x 10-8
4 x 10-5
I
2 x 10-7
1 x 10-3
8 x 10-9
4 x 10-5
Sodium (11)
Na-22
S
2 x 10-7
1 x 10-3
6 x 10-9
4 x 10-5
I
9 x 10-9
9 x 10-4
3 x 10-10
3 x 10-5
Na-24
S
1 x 10-6
6 x 10-3
4 x 10-8
2 x 10-4
I
1 x 10-7
8 x 10-4
5 x 10-9
3 x 10-5
Strontium (38)
Sr-85m
S
4 x 10-5
2 x 10-1
1 x 10-6
7 x 10-3
I
3 x 10-5
2 x 10-1
1 x 10-6
7 x 10-3
Sr-85
S
2 x 10-7
3 x 10-3
8 x 10-9
1 x 10-4
I
1 x 10-7
5 x 10-3
4 x 10-9
2 x 10-4
Sr-89
S
3 x 10-8
3 x 10-4
3 x 10-10
3 x 10-6
I
4 x 10-8
8 x 10-4
1 x 10-9
3 x 10-5
Sr-90
S
1 x 10-9
1 x 10-5
3 x 10-11
3 x 10-7
I
5 x 10-9
1 x 10-3
2 x 10-10
4 x 10-5
Sr-91
S
4 x 10-7
2 x 10-3
2 x 10-8
7 x 10-5
I
3 x 10-7
1 x 10-3
9 x 10-9
5 x 10-5
Sr-92
S
4 x 10-7
2 x 10-3
2 x 10-8
7 x 10-5
I
3 x 10-7
2 x 10-3
1 x 10-8
6 x 10-5
Sulfur (16)
S-35
S
3 x 10-7
2 x 10-3
9 x 10-9
6 x 10-5
I
3 x 10-7
8 x 10-3
9 x 10-9
3 x 10-4