Mich. Admin. Code R. 325.5269

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

Section R. 325.5269 - Appendix A9. Concentrations in air and water above natural background. Elements U to Z and certain unlisted radionuclides

Rule 269.

(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)
Uranium (92)	U-230	S	3 x 10-10	1 x 10-4	1 x 10-11	5 x 10-6
		I	1 x 10-10	1 x 10-4	4 x 10-12	5 x 10-6
	U-232	S	1 x 10-10	8 x 10-4	3 x 10-12	3 x 10-5
		I	3 x 10-11	8 x 10-4	9 x 10-13	3 x 10-5
	U-233	S	5 x 10-10	9 x 10-4	2 x 10-11	3 x 10-5
		I	1 x 10-10	9 x 10-4	4 x 10-12	3 x 10-5
	U-234****	S	6 x 10-10	9 x 10-4	2 x 10-11	3 x 10-5
		I	1 x 10-10	9 x 10-4	4 x 10-12	3 x 10-5
	U-235****	S	5 x 10-10	8 x 10-4	2 x 10-11	3 x 10-5
		I	1 x 10-10	8 x 10-4	4 x 10-12	3 x 10-5
	U-236	S	6 x 10-10	1 x 10-3	2 x 10-11	3 x 10-5
		I	1 x 10-10	1 x 10-3	4 x 10-12	3 x 10-5
	U-238****	S	7 x 10-11	1 x 10-3	3 x 10-12	4 x 10-5
		I	1 x 10-10	1 x 10-3	5 x 10-12	4 x 10-5
	U-240	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	3 x 10-5
	U-natural****	S	1 x 10-10	1 x 10-3	5 x 10-12	3 x 10-5
		I	1 x 10-10	1 x 10-3	5 x 10-12	3 x 10-5
Vanadium (23)	V-48	S	2 x 10-7	9 x 10-4	6 x 10-9	3 x 10-5
		I	6 x 10-8	8 x 10-4	2 x 10-9	3 x 10-5
Xenon (54)	Xe-131m	Sub**	2 x 10-5	-----------	4 x 10-7	-----------
	Xe-133m	Sub	1 x 10-5	-----------	3 x 10-7	-----------
	Xe-133	Sub	1 x 10-5	-----------	3 x 10-7	-----------
	Xe-135	Sub	4 x 10-6	-----------	1 x 10-7	-----------
Ytterbium (70)	Yb-175	S	7 x 10-7	3 x 10-3	2 x 10-8	1 x 10-4
		I	6 x 10-7	3 x 10-3	2 x 10-8	1 x 10-4
Yttrium (39)	Y-90	S	1 x 10-7	6 x 10-4	4 x 10-9	2 x 10-5
		I	1 x 10-7	6 x 10-4	3 x 10-9	2 x 10-5
	Y-91m	S	2 x 10-5	1 x 10-1	8 x 10-7	3 x 10-3
		I	2 x 10-5	1 x 10-1	6 x 10-7	3 x 10-3
	Y-91	S	4 x 10-8	8 x 10-4	1 x 10-9	3 x 10-5
		I	3 x 10-8	8 x 10-4	1 x 10-9	3 x 10-5
	Y-92	S	4 x 10-7	2 x 10-3	1 x 10-8	6 x 10-5
		I	3 x 10-7	2 x 10-3	1 x 10-8	6 x 10-5
	Y-93	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
Zinc (30)	Zn-65	S	1 x 10-7	3 x 10-3	4 x 10-9	1 x 10-4
		I	6 x 10-8	5 x 10-3	2 x 10-9	2 x 10-4
	Zn-69m	S	4 x 10-7	2 x 10-3	1 x10-8	7 x 10-5
		I	3 x 10-7	2 x 10-3	1 x 10-8	6 x 10-5
	Zn-69	S	7 x 10-6	5 x 10-2	2 x 10-7	2 x 10-3
		I	9 x 10-6	5 x 10-2	3 x 10-7	2 x 10-3
Zirconium (40)	Zr-93	S	1 x 10-7	2 x 10-2	4 x 10-9	8 x 10-4
		I	3 x 10-7	2 x 10-2	1 x 10-8	8 x 10-4
	Zr-95	S	1 x 10-7	2 x 10-3	4 x 10-9	6 x 10-5
		I	3 x 10-8	2 x 10-3	1 x 10-9	6 x 10-5
	Zr-97	S	1 x 10-7	5 x 10-4	4 x 10-9	2 x 10-5
		I	9 x 10-8	5 x 10-4	3 x 10-9	2 x 10-5
Any single radionuclide not listed in Appendix A1 to A9 with decay mode other than alpha emission or spontaneous fission and with radioactive half-life less than 2 hours. Sub			1 x 10-6	-----------	3 x 10-8	-----------
Any single radionuclide not listed in Appendix A1 to A9 with decay mode other than alpha emission or spontaneous fission and with radioactive half-life greater than 2 hours.			3 x 10-9	9 x 10-5	1 x 10-10	3 x 10-6
Any single radionuclide not listed in Appendix A1 to A9 which decays by alpha emission or spontaneous fission.			6 x 10-13	4 x 10-7	2 x 10-14	3 x 10-8

Mich. Admin. Code R. 325.5269

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