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Frequently Asked Question

How long can hazardous waste be stored at my facility?

The duration of time that hazardous waste can be stored on-site at a facility varies depending on the facility's generator status:

  • There are no time limits placed on a CE-SQG for the storage of hazardous waste.
  • [Although there is a limit on how much hazardous waste a conditionally-exempt small quantity generator (CE-SQG) can accumulate on site.
  • Small quantity generators (SQG) can only keep their waste on–site for 180 days or 270 days if their treatment, storage, and disposal facility is more than 270 miles away.
  • Large quantity generators (LQG) can only store their waste for 90 days without obtaining a permit as a storage facility.