Home › CFR › Title 40 › Part 19040 CFR Part 190 — Environmental Radiation Protection Standards for Nuclear Power OperationsSubpart A — General Provisions§ 190.01— Applicability.§ 190.02— Definitions.Subpart B — Environmental Standards for the Uranium Fuel Cycle§ 190.10— Standards for normal operations.§ 190.11— Variances for unusual operations.§ 190.12— Effective date.