Plain Language Guide to Regulations
Solid/Hazardous Waste Management

Obtaining an EPA Identification Number

RCRA regulations require Small Quantity Generators (SQG) and Large Quantity Generators (LQG) to obtain an EPA identification number. Conditionally Exempt Small Quantity Generators (CESQG) are exempt. EPA and states use these 12-character numbers to monitor and track hazardous waste activities. You will need to use your identification number when you send waste off site to be managed.

To obtain an EPA ID number, you should:

EPA records the information on the form and assigns an EPA Identification Number to the site identified on your form. The EPA number stays with the property when ownership changes. If you move your business, you must notify EPA or the state of your new location and submit a new form. If another business previously handled hazardous waste at this location and obtained an EPA Identification Number, you will be assigned the same number after you have notified EPA that you have moved to this location. Otherwise, EPA will assign you a new identification number.



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