['Tank Systems', 'Waste']
['Tank Operators', 'Tank Systems', 'Solid Waste', 'Underground Storage Tanks']
05/20/2022
UST system owners and operators must designate:
(a) At least one Class A and one Class B operator for each UST or group of USTs at a facility; and
(b) Each individual who meets the definition of Class C operator at the UST facility as a Class C operator.
[80 FR 41666, July 15, 2015]