StacksVerified U.S. regulatory reference

40 CFR §280.241

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
UST system owners and operators must designate:
  1. (a)At least one Class A and one Class B operator for each UST or group of USTs at a facility; and
  2. (b)Each individual who meets the definition of Class C operator at the UST facility as a Class C operator.