FAQ Category: EPA ID Numbers for Generators | Department of Toxic Substances Control

I’ve Always Wondered: Do the Letters in Front of the ID Numbers mean Anything?

Jul 12, 2021

Early federally–issued ID Numbers had two letters corresponding to the generator’s state and ten digits. Current ID Numbers consist of three letters followed by nine digits. The significance of those letters is as follows: EPA ID Numbers: CAR – Federal permanent...

Do I Need to Get a New ID Number if I Move my Business?

Jul 12, 2021

Yes. If you have a California ID Number, submit DTSC Form 1358 to inactivate your old number, and another Form 1358 to request that a number be issued for your new location. This is also true if you are selling or buying a business; the seller must inactivate the old...

I usually don’t Generate Hazardous Waste, but I Recently Generated Some. Can I get a Temporary EPA ID Number for this One Time event?

Jul 12, 2021

DTSC issues temporary (or “provisional”) ID Numbers to people or businesses that do not routinely generate hazardous waste. Examples of non-routine activities include one-time events, such as asbestos abatement, removing underground tanks, and removing hazardous...

Am I Charged Fees for the Issuance of the ID Number?

Jul 12, 2021

There is no charge for issuing the California or EPA ID numbers. The latest fee summary (issued annually) is found on DTSC's Annual Fee summary webpage, which includes changes that became effective in 2022 with the passage of SB158. Did this answer your...

How do I Get an EPA ID Number?

Jul 12, 2021

Handlers of RCRA/federally regulated hazardous waste who need a U.S. EPA ID Number must either send a “Notification of Regulated Waste Activity”, (Form 8700-12), to DTSC or file electronically. Handlers who do not need a U.S. EPA ID but do need a California ID Number...

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