1- The deepest dive permitted during training. 2- At least one training dive must meet this minimum. 3-Other than the first evaluation dive no shallower dive may be credited toward certification. 4-One deco cylinder must cover all stops and bailout. 5- Includes all TMD info from L5 course. 6- Other prereq's may appl at instructor discretion Note that divers may only move 2 levels during one technical course series . In order to move 3 levels the candidate must have 25 dives at the ERD level.. Note that divers may only move 2 levels during one course series . In order to move 3 levels the candidate must have 25 dives at the ERD level.