Skip to content

Enum: NRCWasteClassEnum

US NRC 10 CFR 61 low-level radioactive waste classification

URI: valuesets:NRCWasteClassEnum

Permissible Values

Value Meaning Description
CLASS_A None Lowest radioactivity waste suitable for shallow land burial
CLASS_B None Intermediate radioactivity requiring waste form stability
CLASS_C None Highest concentration suitable for shallow land burial
GREATER_THAN_CLASS_C None Waste exceeding Class C limits, generally unsuitable for shallow burial

Slots

Name Description
nrc_waste_class US NRC waste classification (10 CFR 61)

Identifier and Mapping Information

Schema Source

  • from schema: https://w3id.org/linkml/valuesets

LinkML Source

name: NRCWasteClassEnum
description: US NRC 10 CFR 61 low-level radioactive waste classification
from_schema: https://w3id.org/linkml/valuesets
rank: 1000
permissible_values:
  CLASS_A:
    text: CLASS_A
    description: Lowest radioactivity waste suitable for shallow land burial
    annotations:
      disposal_method:
        tag: disposal_method
        value: shallow land burial
      segregation_requirements:
        tag: segregation_requirements
        value: minimal
      waste_form_requirements:
        tag: waste_form_requirements
        value: none
      typical_sources:
        tag: typical_sources
        value: medical, industrial, power plants
      concentration_limits:
        tag: concentration_limits
        value: lowest of three classes
    title: Class A Low-Level Waste
  CLASS_B:
    text: CLASS_B
    description: Intermediate radioactivity requiring waste form stability
    annotations:
      disposal_method:
        tag: disposal_method
        value: shallow land burial
      segregation_requirements:
        tag: segregation_requirements
        value: from Class A
      waste_form_requirements:
        tag: waste_form_requirements
        value: structural stability
      institutional_control:
        tag: institutional_control
        value: 100 years minimum
      concentration_limits:
        tag: concentration_limits
        value: intermediate
    title: Class B Low-Level Waste
  CLASS_C:
    text: CLASS_C
    description: Highest concentration suitable for shallow land burial
    annotations:
      disposal_method:
        tag: disposal_method
        value: shallow land burial
      segregation_requirements:
        tag: segregation_requirements
        value: enhanced
      waste_form_requirements:
        tag: waste_form_requirements
        value: structural stability
      institutional_control:
        tag: institutional_control
        value: 100 years minimum
      intruder_barriers:
        tag: intruder_barriers
        value: required
      concentration_limits:
        tag: concentration_limits
        value: highest for shallow burial
    title: Class C Low-Level Waste
  GREATER_THAN_CLASS_C:
    text: GREATER_THAN_CLASS_C
    description: Waste exceeding Class C limits, generally unsuitable for shallow
      burial
    annotations:
      disposal_method:
        tag: disposal_method
        value: case-by-case evaluation
      shallow_burial:
        tag: shallow_burial
        value: generally not acceptable
      deep_disposal:
        tag: deep_disposal
        value: may be required
      nrc_evaluation:
        tag: nrc_evaluation
        value: required
      concentration_limits:
        tag: concentration_limits
        value: exceeds Class C
    title: Greater Than Class C Waste (GTCC)
    aliases:
    - GTCC