Mich. Admin. Code R. 325.5267

Current through Vol. 24-10, June 15, 2024
Section R. 325.5267 - Appendix A7. Concentrations in air and water above natural background. Elements R and S

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

Mich. Admin. Code R. 325.5267

1979 AC; 2016 MR 10, Eff. 5/25/2016