Cornell University

Environment, Health and Safety

4.3.1 Conditionally Exempt Small Quantity Generator

4.3.1 Conditionally Exempt Small Quantity Generator

By regulation, facilities are categorized as Conditionally Exempt Small Quantity Generators (CESQG) if:

  • They generate less than 100 kilograms (220 pounds) of hazardous waste in any given calendar month.
  • No more than 2,200 pounds of hazardous waste (or 2.2 pounds of acutely hazardous waste, P-listed) may be on site at any one time.

CESQG hazardous waste is exempt from most RCRA regulations. However, these facilities:

  • Must identify all hazardous wastes they generate.

  • May send wastes to a facility that:
    • Beneficially uses or reuses, or legitimately recycles or reclaims, waste.
    • Is permitted by EPA or the state to treat waste prior to beneficial use or reuse, or legitimate recycling or reclamation. programs.