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UTD Student & Diver Procedures #18. Ratio Deco

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This is a sub book, # 18, of the more extensive UTD Student and Diver Procedures Manual. In this sub-book we discuss the UTD/DIR Principles of Ratio Deco. A a simple "on the fly" strategy of applying a set of rules to develop your "decompression strategy" that will minimize the risks and maximize the benefits of the dive for you and your team. No matter what "your" range, environment or equipment (open circuit, semi closed circuit or full closed circuit), ratio deco will help you approach t...