# SQGs — Hazardous waste generator categories — federal vs California vs Washington thresholds and obligations For SQGs, authority is California DTSC (22 CCR 66262); key obligations is SQGs may accumulate hazardous waste onsite for up to 180 days, or for up to 270 days if the waste will be transported 200 miles or more for treatment, storage, or disposal, recorded from its source on 2026-08-11. - **Authority:** California DTSC (22 CCR 66262) _(our reading, not quoted from the source)_ - **Generator category:** SQGs _(verified: appears in the quote below)_ - **Key obligations:** SQGs may accumulate hazardous waste onsite for up to 180 days, or for up to 270 days if the waste will be transported 200 miles or more for treatment, storage, or disposal _(verified: appears in the quote below)_ ## What the source says > SQGs may accumulate hazardous waste onsite for up to 180 days, or for up to 270 days if the waste will be transported 200 miles or more for treatment, storage, or disposal. LQGs may accumulate waste for up to 90 days from the first date which any hazardous waste is accumulated. ## Source - https://dtsc.ca.gov/hazardous-waste-generator-requirements-fact-sheet/ 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/).