U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

All TitlesTitle 10Chapter IPart 63Subpart L - Subpart L—Postclosure Public Health and Environmental Standards

POSTCLOSURE INDIVIDUAL PROTECTION STANDARD
§ 63.311 - Individual protection standard after permanent closure.
§ 63.312 - Required characteristics of the reasonably maximally exposed individual.
§ 63.301 - Purpose and scope.
§ 63.302 - Definitions for Subpart L.
§ 63.303 - Implementation of Subpart L.
§ 63.304 - Reasonable expectation.
§ 63.305 - Required characteristics of the reference biosphere.

HUMAN INTRUSION STANDARD
§ 63.321 - Individual protection standard for human intrusion.
§ 63.322 - Human intrusion scenario.

GROUNDWATER PROTECTION STANDARDS
§ 63.331 - Separate standards for protection of groundwater.
§ 63.332 - Representative volume.

ADDITIONAL PROVISIONS
§ 63.342 - Limits on performance assessments.
§ 63.343 - Severability of individual protection and groundwater protection standards.
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