For purposes of ARM 17.56.1502 through 17.56.1505, the following definitions apply:
(1) "Class A operator" means an owner or operator of an UST facility whose primary responsibility is to operate and maintain the UST system. A Class A operator's responsibilities also include managing resources and personnel to achieve and maintain compliance with regulatory requirements.
(2) "Class B operator" means an owner or operator of an UST facility whose primary responsibility is to implement the applicable underground storage tank regulatory requirements and standards in the field. A Class B operator implements day-to-day aspects of operating, maintaining, and recordkeeping for underground storage tanks at one or more facilities.
(3) "Class C operator" means an employee of the owner or operator of the facility who is responsible for responding to alarms or other indications of emergencies caused by spills or releases from UST systems. A Class C operator notifies the Class B or Class A operator and appropriate emergency responders when necessary.
(4) "Operator" has the meaning provided in 75-11-203, MCA.