# Very Small Quantity Generators (VSQGs) — Hazardous waste generator categories — federal vs California vs Washington thresholds and obligations For Very Small Quantity Generators (VSQGs), authority is EPA (federal, 40 CFR 262.13); quantity threshold is 100 kilograms or less per month of hazardous waste; acute waste threshold is one kilogram or less per month of acutely hazardous waste; key obligations is VSQGs may not accumulate more than 1,000 kilograms of hazardous waste at any time, recorded from its source on 2026-08-11. - **Authority:** EPA (federal, 40 CFR 262.13) _(our reading, not quoted from the source)_ - **Generator category:** Very Small Quantity Generators (VSQGs) _(verified: appears in the quote below)_ - **Quantity threshold:** 100 kilograms or less per month of hazardous waste _(verified: appears in the quote below)_ - **Acute waste threshold:** one kilogram or less per month of acutely hazardous waste _(verified: appears in the quote below)_ - **Key obligations:** VSQGs may not accumulate more than 1,000 kilograms of hazardous waste at any time _(verified: appears in the quote below)_ ## What the source says > Very Small Quantity Generators (VSQGs) generate 100 kilograms or less per month of hazardous waste or one kilogram or less per month of acutely hazardous waste. Requirements for VSQGs include: VSQGs must identify all the hazardous waste generated. VSQGs may not accumulate more than 1,000 kilograms of hazardous waste at any time. VSQGs must ensure that hazardous waste is delivered to a person or facility who is authorized to manage it. ## Source - https://www.epa.gov/hwgenerators/categories-hazardous-waste-generators Last verified: 2026-08-11. Review by: 2027-08-11. Part of [Hazardous waste generator categories — federal vs California vs Washington thresholds and obligations](https://referencesource.org/hazwaste-generator-category-thresholds/).