Mich. Admin. Code R. 325.5262

Current through Vol. 24-10, June 15, 2024
Section R. 325.5262 - Appendix A2. Concentrations in air and water above natural background. Elements C

Rule 262.

(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)

Cadmium (48)

Cd-109

S

5 x 10-8

5 x 10-3

2 x 10-9

2 x 10-4

I

7 x 10-8

5 x 10-3

3 x 10-9

2 x 10-4

Cd-115m

S

4 x 10-8

7 x 10-4

1 x 10-9

3 x 10-5

I

4 x 10-8

7 x 10-4

1 x 10-9

3 x 10-5

Cd-115

S

2 x 10-7

1 x 10-3

8 x 10-9

3 x 10-5

I

2 x 10-7

1 x 10-3

6 x 10-9

4 x 10-5

Calcium (20)

Ca-45

S

3 x 10-8

3 x 10-4

1 x 10-9

9 x 10-6

I

1 x 10-7

5 x 10-3

4 x 10-9

2 x 10-4

Ca-47

S

2 x 10-7

1 x 10-3

6 x 10-9

5 x 10-5

I

2 x 10-7

1 x 10-3

6 x 10-9

3 x 10-5

Californium (98)

Cf-249

S

2 x 10-12

1 x 10-4

5 x 10-14

4 x 10-6

I

1 x 10-10

7 x 10-4

3 x 10-12

2 x 10-5

Cf-250

S

5 x 10-12

4 x 10-4

2 x 10-13

1 x 10-5

I

1 x 10-10

7 x 10-4

3 x 10-12

3 x 10-5

Cf-251

S

2 x 10-12

1 x 10-4

6 x 10-14

4 x 10-6

I

1 x 10-10

8 x 10-4

3 x 10-12

3 x 10-5

Cf-252

S

6 x 10-12

2 x 10-4

2 x 10-13

7 x 10-6

I

3 x 10-11

2 x 10-4

1 x 10-12

7 x 10-6

Cf-253

S

8 x 10-10

4 x 10-3

3 x 10-11

1 x 10-4

I

8 x 10-10

4 x 10-3

3 x 10-11

1 x 10-4

Cf-254

S

5 x 10-12

4 x 10-6

2 x 10-13

1 x 10-7

I

5 x 10-12

4 x 10-6

2 x 10-13

1 x 10-7

Carbon (6)

C-14

S

4 x 10-6

2 x 10-2

1 x 10-7

8 x 10-4

(CO2)

Sub**

5 x 10-5

-----------

1 x 10-6

-----------

Cerium (58)

Ce-141

S

4 x 10-7

3 x 10-3

2 x 10-8

9 x 10-5

I

2 x 10-7

3 x 10-3

5 x 10-9

9 x 10-5

Ce-143

S

3 x 10-7

1 x 10-3

9 x 10-9

4 x 10-5

I

2 x 10-7

1 x 10-3

7 x 10-9

4 x 10-5

Ce-144

S

1 x 10-8

3 x 10-4

3 x 10-10

1 x 10-5

I

6 x 10-9

3 x 10-4

2 x 10-10

1 x 10-5

Cesium (55)

Cs-131

S

1 x 10-5

7 x 10-2

4 x 10-7

2 x 10-3

I

3 x 10-6

3 x 10-2

1 x 10-7

9 x 10-4

Cs-134m

S

4 x 10-5

2 x 10-1

1 x 10-6

6 x 10-3

I

6 x 10-6

3 x 10-2

2 x 10-7

1 x 10-3

Cs-134

S

4 x 10-8

3 x 10-4

1 x 10-9

9 x 10-6

I

1 x 10-8

1 x 10-3

4 x 10-10

4 x 10-5

Cs-135

S

5 x 10-7

3 x 10-3

2 x 10-8

1 x 10-4

I

9 x 10-8

7 x 10-3

3 x 10-9

2 x 10-4

Cs-136

S

4 x 10-7

2 x 10-3

1 x 10-8

9 x 10-5

I

2 x 10-7

2 x 10-3

6 x 10-9

6 x 10-5

Cs-137

S

6 x 10-8

4 x 10-4

2 x 10-9

2 x 10-5

I

1 x 10-8

1 x 10-3

5 x 10-10

4 x 10-5

Chlorine (17)

Cl-36

S

4 x 10-7

2 x 10-3

1 x 10-8

8 x 10-5

I

2 x 10-8

2 x 10-3

8 x 10-10

6 x 10-5

Cl-38

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

7 x 10-8

4 x 10-4

Chromium (24)

Cr-51

S

1 x 10-5

5 x 10-2

4 x 10-7

2 x 10-3

I

2 x 10-6

5 x 10-2

8 x 10-8

2 x 10-3

Cobalt (27)

Co-57

S

3 x 10-6

2 x 10-2

1 x 10-7

5 x 10-4

I

2 x 10-7

1 x 10-2

6 x 10-9

4 x 10-4

Co-58m

S

2 x 10-5

8 x 10-2

6 x 10-7

3 x 10-3

I

9 x 10-6

6 x 10-2

3 x 10-7

2 x 10-3

Co-58

S

8 x 10-7

4 x 10-3

3 x 10-8

1 x 10-4

I

5 x 10-8

3 x 10-3

2 x 10-9

9 x 10-5

Co-60

S

3 x 10-7

1 x 10-3

1 x 10-8

5 x 10-5

I

9 x 10-9

1 x 10-3

3 x 10-10

3 x 10-5

Copper (29)

Cu-64

S

2 x 10-6

1 x 10-2

7 x 10-8

3 x 10-4

I

1 x 10-6

6 x 10-3

4 x 10-8

2 x 10-4

Curium (96)

Cm-242

S

1 x 10-10

7 x 10-4

4 x 10-12

2 x 10-5

I

2 x 10-10

7 x 10-4

6 x 10-12

2 x 10-5

Cm-243

S

6 x 10-12

1 x 10-4

2 x 10-13

5 x 10-6

I

1 x 10-10

7 x 10-4

3 x 10-12

2 x 10-5

Cm-244

S

9 x 10-12

2 x 10-4

3 x 10-13

7 x 10-6

I

1 x 10-10

8 x 10-4

3 x 10-12

3 x 10-5

Cm-245

S

5 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

Cm-246

S

5 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

Cm-247

S

5 x 10-12

1 x 10-4

2 x 10-13

4 x 10-6

I

1 x 10-10

6 x 10-4

4 x 10-12

2 x 10-5

Cm-248

S

6 x 10-13

1 x 10-5

2 x 10-14

4 x 10-7

I

1 x 10-11

4 x 10-5

4 x 10-13

1 x 10-6

Cm-249

S

1 x 10-5

6 x 10-2

4 x 10-7

2 x 10-3

I

1 x 10-5

6 x 10-2

4 x 10-7

2 x 10-3

Mich. Admin. Code R. 325.5262

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