StacksVerified U.S. regulatory reference

40 CFR §355.12

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Any EHS present at your facility in an amount equal to or greater than its TPQ triggers the emergency planning requirements of this subpart. The TPQs are listed in Appendices A and B of this part in the column labeled “threshold planning quantity.”