UST Training's New 2017 of our Class C UST Operator Training course is a simple and effective way to learn about UST safety, hazard awareness and emergency response. What you get: Certification as a Class C Operator of an underground storage tank (UST) system. Included are five brief interactive lessons, a short quiz, useful handouts, and a certificate of completion once you pass the course. Approval: Our Class C course is approved by the Colorado Division of Oil and Public Safety. System Requirements: All you need is high speed Internet and computer speakers. Choose an account option that works best for you: Single User is perfect for one person to take Class A/B or Class C training or both. User email required. Training Kiosk is a great option for small to medium group of users who need any combination of Class A/B or Class C training. Email required for account administrator only. Single login credential shared for the whole group. Training University is good for medium to larger companies with a mix of Class A/B and/or C operators who also need more advanced reporting and tracking features. Email required for all users. Each user has own login credentials.