Colorado Workforce by the Colo. Dept. of Labor and Employment

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Installer Information
- 2-2-8 Performance Standards for New and Replaced Systems)
ICC Certification
- U1: UST Installer/Retrofitting
- Purchase Installer/Retrofitting Books
Installation and Upgrade Application Information
- AST Installs and Upgrades
  - 3-2 Installation and Registrations)
- UST Installs and Upgrades
  - 2-2 UST Design, Construction, Installation and Notification)
Click here for Forms