StacksVerified U.S. regulatory reference

40 CFR §355.21

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
EPA does not require any specific format. EPA recommends that you submit the information described in § 355.20 in writing in order to insure appropriate documentation. The SERC or LEPC may request that this information be submitted in a specific format.