CCR T-REBDay with T-REB – open water session Piechcin quarryDay with T-REB – 6 metres swimming pool sessionNon decompression diving 30mDecompression Diving 45m T-REB Cross-over Trimix CCR DiverTrimix CCR Diver 100mCCR DPV Cave diverT-REB Cave Diver PSAI T-REB Instructor