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Michigan Administrative Code (Last Updated: November 16, 2016) |
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Department LR. Licensing and Regulatory Affairs |
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MIOSHA |
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Chapter Ionizing Radiation Rules Part 1 to Part 15 |
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Part 5. STANDARDS FOR PROTECTION AGAINST RADIATION |
Section 325.5264. Appendix A4. Concentrations in air and water above natural background. Elements I to L.
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Rule 264. (See notes in rule 270.)
Element
TABLE I
TABLE II
Radionuclide*
Column 1
Column 2
Column 1
Column 2
(atomic number)
Air
Water
Air
Water
(µCi/ml)
(µCi/ml)
(µCi/ml)
(µCi/ml)
Indium (49)
In-113m
S I
8 x 10-6
7 x 10-6
4 x 10-2
4 x 10-2
3 x 10-7
2 x 10-7
1 x 10-3
1 x 10-3
In-114m In-115m In-115
S I S I S I
1 x 10-7
2 x 10-8
2 x 10-6
2 x 10-6
2 x 10-7
3 x 10-8
5 x 10-4
5 x 10-4
1 x 10-2
1 x 10-2
3 x 10-3
3 x 10-3
4 x 10-9
7 x 10-10
8 x 10-8
6 x 10-8
9 x 10-9
1 x 10-9
2 x 10-5
2 x 10-5
4 x 10-4
4 x 10-4
9 x 10-5
9 x 10-5
Iodine (53)
I-125 I-126 I-129 I-131 I-132 I-133 I-134 I-135
S I S I S I S I S I S I S I S I
5 x 10-9
2 x 10-7
8 x 10-9
3 x 10-7
2 x 10-9
7 x 10-8
9 x 10-9
3 x 10-7
2 x 10-7
9 x 10-7
3 x 10-8
2 x 10-7
5 x 10-7
3 x 10-6
1 x 10-7
4 x 10-7
4 x 10-5
6 x 10-3
5 x 10-5
3 x 10-3
1 x 10-5
6 x 10-3
6 x 10-5
2 x 10-3
2 x 10-3
5 x 10-3
2 x 10-4
1 x 10-3
4 x 10-3
2 x 10-2
7 x 10-4
2 x 10-3
8 x 10-11
6 x 10-9
9 x 10-11
1 x 10-8
2 x 10-11
2 x 10-9
1 x 10-10
1 x 10-8
3 x 10-9
3 x 10-8
4 x 10-10
7 x 10-9
6 x 10-9
1 x 10-7
1 x 10-9
1 x 10-8
2 x 10-7
2 x 10-4
3 x 10-7
9 x 10-5
6 x 10-8
2 x 10-4
3 x 10-7
6 x 10-5
8 x 10-6
2 x 10-4
1 x 10-6
4 x 10-5
2 x 10-5
6 x 10-4
4 x 10-6
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
Ir-192 Ir-194
S I S I
1 x 10-7
3 x 10-8
2 x 10-7
2 x 10-7
1 x 10-3
1 x 10-3
1 x 10-3
9 x 10-4
4 x 10-9
9 x 10-10
8 x 10-9
5 x 10-9
4 x 10-5
4 x 10-5
3 x 10-5
3 x 10-5
Iron (26)
Fe-55 Fe-59
S I S I
9 x 10-7
1 x 10-6
1 x 10-7
5 x 10-8
2 x 10-2
7 x 10-2
2 x 10-3
2 x 10-3
3 x 10-8
3 x 10-8
5 x 10-9
2 x 10-9
8 x 10-4
2 x 10-3
6 x 10-5
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 I
2 x 10-7
1 x 10-7
7 x 10-4
7 x 10-4
5 x 10-9
4 x 10-9
2 x 10-5
2 x 10-5
Lead (82)
Pb-203 Pb-210 Pb-212
S I S I S I
3 x 10-6
2 x 10-6
1 x 10-10
2 x 10-10
2 x 10-8
2 x 10-8
1 x 10-2
1 x 10-2
4 x 10-6
5 x 10-3
6 x 10-4
5 x 10-4
9 x 10-8
6 x 10-8
4 x 10-12
8 x 10-12
6 x 10-10
7 x 10-10
4 x 10-4
4 x 10-4
1 x 10-7
2 x 10-4
2 x 10-5
2 x 10-5
Lutetium (71)
Lu-177
S I
6 x 10-7
5 x 10-7
3 x 10-3
3 x 10-3
2 x 10-8
2 x 10-8
1 x 10-4
1 x 10-4
History: 1954 ACS 85, Eff. Dec. 3, 1975.