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Obtaining an EPA
Obtaining an EPA ID Number
To apply for a temporary California identification number please call the Department of Toxic Substance Controls at 1-800-618-6942.
To apply for, reactivate, or inactivate a permanent California identification number, please download the following form and submit it to the Department of Toxic Substance Controls. This process usually takes 6-8 weeks to complete.
Attach DTSC Form 1358:



