Mich. Admin. Code R. 325.5262

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

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