small quantity generator (SQG)
For small quantity generator (SQG), authority is Washington Ecology (WAC 173-303); quantity threshold is 220 pounds or less of dangerous waste; acute waste threshold is 2.2 pounds or less of toxic extremely hazardous waste and/or acute hazardous waste, recorded from its source on 2026-08-11.
- Authority
- Washington Ecology (WAC 173-303) our reading
- Generator category
- small quantity generator (SQG) verified
- Quantity threshold
- 220 pounds or less of dangerous waste verified
- Acute waste threshold
- 2.2 pounds or less of toxic extremely hazardous waste and/or acute hazardous waste 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
You are considered a small quantity generator (SQG) if you generate: • 220 pounds or less of dangerous waste, AND • 2.2 pounds or less of toxic extremely hazardous waste and/or acute hazardous waste, AND • 220 pounds or less of spills of toxic extremely hazardous waste and/or acute hazardous waste.
— ecology.wa.gov, retrieved 2026-08-11
Source
- ecology.wa.govhttps://ecology.wa.gov/Asset-Collections/Doc-Assets/Hazardous-waste/Dangerous-Waste-Guidance/Dangerous-Waste-Basics/Monthly-generation-limits-plain-text