Very Small Quantity Generators (VSQGs)generate 220 pounds or less per month of hazardous waste or 2.2 pounds 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 2,200 pounds 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.

Small Quantity Generators (SQGs)generate more than 220 pounds, but less than 2,200 pounds 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 13,227 pounds.
●SQGs must comply with the hazardous waste manifest requirements at 40 CFR part 262, subpart B and the pre-transport requirements at 40 CFR sections 262.30 through 262.33.
●There must always be at least one employee available to respond to an emergency. This employee is the emergency coordinator responsible for coordinating all emergency response measures. SQGs are not required to have detailed, written contingency plans.