NOTICE: DEEP is continuing to carry out its mission and provide services while keeping both the public and our workforce safe during the COVID-19 pandemic. Click here for the latest updates on DEEP's response to COVID-19. DEEP COVID-19 Response

Small Quantity Generators (SQGs)

Image of three 55 gallon drums of hazardous waste

What is an SQG?

An SQG generates more hazardous waste than a Conditionally Exempt Small Quantity Generator (CESQG) and therefore has more hazardous waste requirements to comply with than a CESQG, but fewer requirements than a Large Quantity Generator (LQG).  A generator qualifies as a SQG if it meets all of the following conditions:

  • generates between 100 kilograms (220 pounds) and 1000 kilograms (2200 pounds) of hazardous waste per calendar month; and,
  • never accumulates more than 1000 kilograms (2200 pounds) of hazardous waste at any one time; and,   
  • does not generate more than one kilogram (2.2 pounds) of acute hazardous waste per calendar month; and,
  • does not accumulate more than one kilogram (2.2 pounds) of acute hazardous waste at any one time.

For a typical liquid waste, 100 kilograms (220 pounds) equals about half of a 55-gallon drum.  For more dense wastes such as solids and sludges, 100 kilograms can be much less than half a 55-gallon drum.

Note:  Certain wastes (such as Universal Wastes) are not counted towards the quantity limits specified above.  For details on how to properly determine generator status, please see the DEEP fact sheet Determining Hazardous Waste Generator Category or the RCRA Help! Webpage.

Compliance Assistance Tools for SQGs

Listed below are several web pages and guidance documents that are helpful in assisting SQGs to properly manage hazardous wastes and other, related waste materials.

Content Last Updated on March 4, 2020