StacksVerified U.S. regulatory reference

40 CFR §265.260

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
An owner or operator required to have a leak detection system under § 265.254 must record the amount of liquids removed from each leak detection system sump at least once each week during the active life and closure period.