Large Quantity Generators (LQGs)
For Large Quantity Generators (LQGs), authority is EPA (federal, 40 CFR 262.13); quantity threshold is 1,000 kilograms per month or more of hazardous waste; acute waste threshold is more than one kilogram per month of acutely hazardous waste; key obligations is LQGs may only accumulate waste on-site for 90 days. Certain exceptions apply. LQGs do not have a limit on the amount of hazardous waste accumulated on-site, recorded from its source on 2026-08-11.
- Authority
- EPA (federal, 40 CFR 262.13) our reading
- Generator category
- Large Quantity Generators (LQGs) verified
- Quantity threshold
- 1,000 kilograms per month or more of hazardous waste verified
- Acute waste threshold
- more than one kilogram per month of acutely hazardous waste verified
- Key obligations
- LQGs may only accumulate waste on-site for 90 days. Certain exceptions apply. LQGs do not have a limit on the amount of hazardous waste accumulated on-site. verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
Large Quantity Generators (LQGs) generate 1,000 kilograms per month or more of hazardous waste or more than one kilogram per month of acutely hazardous waste. Major requirements for LQGs include: LQGs may only accumulate waste on-site for 90 days. Certain exceptions apply. LQGs do not have a limit on the amount of hazardous waste accumulated on-site.
— epa.gov, retrieved 2026-08-11
Source
- epa.govhttps://www.epa.gov/hwgenerators/categories-hazardous-waste-generators