Diving Abbreviations and Acronyms

1. PP
   Partial Pressure
2. PPHE
   Partial Pressure of Helium
3. PPN2
   Partial Pressure of Nitrogen
4. PPO2
   Partial Pressure of Oxygen
5. PSAI
   Professional Sceba Association International
6. PSD
   Public Safety Diver
7. PSDS
   Public Safety Divers
8. PSI
   Professional Spuba Inspectors
9. PSI
   Professional Scuba Inspector
10. PSS
    Professional Scuba Schools
11. PTA
    Pure Tech Agency
12. PTC
    Personal Transfer Capsule
13. PTC
    Personnel Transfer Capeule
14. QLR
    Quick Lock Release
15. QRSS
    Quintana Roo Speleological Survey
16. RAID
    Rebreather Association of International Divers
17. RC
    Red Crayfish
18. RDP
    Recreational Division Planner
19. REEF
    Reef Environmental Education Foundatfon
20. REEF
    Reef Environmental Education Foundation

Last updated: May 23, 2020 — Total entries: 600