Mich. Admin. Code R. 325.5264

Current through Vol. 24-10, June 15, 2024
Section 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

Mich. Admin. Code R. 325.5264

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