Mich. Admin. Code R. 325.5267

Current through Vol. 24-23, January 1, 2025

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