Operator Responsibilities and Sanitary Surveys Multiple Dates & Locations in 2024 (6 OTM/NN Credits) All Classes will be held from 8:00 AM – 3:00 PM (lunch on your own) Attendees of this workshop will become more familiar with their own water systems by doing an overview of the daily, weekly, monthly, or annual operator duties ... Operator Responsibilities & Sanitary Surveys (6 OTM/NN Credits)