Mich. Admin. Code R. 325.5264

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

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