Unit 9 – Immediate Reporting and ERAPsBy Admin / December 9, 2014 November 18, 2015 You must first complete Unit 1 – Introduction to TDG before viewing this LessonPlease sign up for the course before starting the lesson. Unit 9 focuses on accidental releases of dangerous goods Unit 8 - Exemptions and Exceptions Back to: Transportation of Dangerous Goods (TDG)