Ill. Admin. Code tit. 35 § 302.525

Current through Register Vol. 49, No. 2, January 10, 2025

Section 302.525 - Radioactivity

Except as provided in Section 302.102, all waters of the Lake Michigan Basin must meet the following concentrations:

a) Gross beta concentrations must not exceed 100 picocuries per liter (pCi/L).

b) Strontium 90 concentration must not exceed 2 picocuries per liter (pCi/L).

c) The annual average radium 226 and 228 combined concentration must not exceed 3.75 picocuries per liter (pCi/L).

Ill. Admin. Code tit. 35, § 302.525

Amended at 30 Ill. Reg. 4919, effective March 1, 2006

Amended at 47 Ill. Reg. 4437, effective 3/23/2023