Reference Source

Small Quantity Generators (SQGs)

For Small Quantity Generators (SQGs), authority is EPA (federal, 40 CFR 262.13); quantity threshold is more than 100 kilograms, but less than 1,000 kilograms of hazardous waste per month; key obligations is SQGs may accumulate hazardous waste on-site for 180 days without a permit (or 270 days if shipping a distance greater than 200 miles). The quantity of hazardous on-site waste must never exceed 6,000 kilograms, recorded from its source on 2026-08-11.

Authority
EPA (federal, 40 CFR 262.13) our reading
Generator category
Small Quantity Generators (SQGs) verified
Quantity threshold
more than 100 kilograms, but less than 1,000 kilograms of hazardous waste per month verified
Key obligations
SQGs may accumulate hazardous waste on-site for 180 days without a permit (or 270 days if shipping a distance greater than 200 miles). The quantity of hazardous on-site waste must never exceed 6,000 kilograms. verified
Sourceepa.gov
Verified
Review by
DatasetHazardous waste generator categories — federal vs California vs Washington thresholds and obligations

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

Small Quantity Generators (SQGs) generate more than 100 kilograms, but less than 1,000 kilograms of hazardous waste per month. Major requirements for SQGs include: SQGs may accumulate hazardous waste on-site for 180 days without a permit (or 270 days if shipping a distance greater than 200 miles). The quantity of hazardous on-site waste must never exceed 6,000 kilograms.

epa.gov, retrieved 2026-08-11

Source

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