(i) persons having primary responsibility for on-site operation and maintenance of storage tank systems;
(ii) persons having daily on-site responsibility for the operation and maintenance of storage tank systems; and
(iii) daily, on-site employees having primary responsibility for addressing emergencies presented by a spill or release from a storage tank system. 2. Nothing in this article shall authorize the department to adopt or amend any rule or regulation in a manner less stringent than provided in the Federal Resource Conservation and Recovery Act of 1976, as amended, and in rules and regulations promulgated pursuant thereto.