# Large Quantity Generator (LQG) — Hazardous waste generator categories — federal vs California vs Washington thresholds and obligations

For Large Quantity Generator (LQG), authority is California DTSC (22 CCR 66262); quantity threshold is 1,000 kg or more of hazardous waste per calendar month (excluding universal wastes); acute waste threshold is more than 1 kg of acutely or extremely hazardous per calendar month, recorded from its source on 2026-08-11.

- **Authority:** California DTSC (22 CCR 66262) _(our reading, not quoted from the source)_
- **Generator category:** Large Quantity Generator (LQG) _(verified: appears in the quote below)_
- **Quantity threshold:** 1,000 kg or more of hazardous waste per calendar month (excluding universal wastes) _(verified: appears in the quote below)_
- **Acute waste threshold:** more than 1 kg of acutely or extremely hazardous per calendar month _(verified: appears in the quote below)_

## What the source says

> Large Quantity Generator (LQG) – Generators of 1,000 kg or more of hazardous waste per calendar month (excluding universal wastes), and/or more than 1 kg of acutely or extremely hazardous per calendar month.

## 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/).