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Basic Tri-Mix Diving: A Manual for Basic Mixed Gas Scuba Diving
By Captain Fred Calhoun, PE
Edited by Cecile Christensen
60 pages, 8-1/2x5-3/8, saddle stitched, tables
No ISBN
Pub Date: 2006
Price $15.00
This book provides an introduction to physiology and anatomy as they apply to breathing air and other gases while submerged underwater. Many of the effects resulting from increased pressure underwater can cause serious accidents. Safe diving involves understanding what physiologial effects are to be encountered, recognizing the limits that are imposed, and knowing how the effects can be avoided or reduced.
This book provides a very general discussion of human phisiology and anatomy and the effects produced by diving. .
Table of Contents
- Foreword
- Introduction
- Narcosis
- Decompression Sickness
- Acute Decompression Sickness
- Type I Decompression Sickness
- Type II Decompression Sickness
- CNS Decompression Sickness
- Pulmonary Decompression Sickness
- Chronic Decompression Sickness
- Summary
- Tri-Mix
- Oxygen
- Oxygen Concentration in Tri-Mix
- Helium
- Helium Concentration in Tri-Mix
- Nitrogen
- Nitrogen Concentration in Tri-Mix
- Compressed Air
- The Blend
- Blending
- Labeling Tri-Mix Equipment
- Summary (Tri-Mix Diving)
- Nitrox
- Nitrox Blending
- Labeling Nitrox Equipment
- Calculating Gas for Dives to 200 Feet
- Calculating your RMV (Respiratory Minute Volume)
- Decompression Tables
- 18/30/52 Tri-Mix Decompression Table
- Oxygen Toxicity
- Avoiding CNS Oxygen Toxicity
- Calculating Percent 0-2 Clock Run
- Avoiding Pulmonary 0-2 Toxicity
- Accumulated OTUs
- Controlling Stress
- Equipment
- Regulators
- Regulators Pre-Dive Check
- Hoses in General
- Containing Hoses (being neat)
- Cylinders
- Snaps, Clips, Buckles, etc.
- Inflating a Lift Bag
- Redundant Equipment (a definition)
- Reserve Gas Supply
- The Technical Rig
- Buoyancy Control
- The Harness
- Ballast (weights)
- Knives
- Documentation Equipment
- Instrumentation
- Equipment for Decompression
- Sample Decompression Calculation
- Work Sheet
- Glossary
About the Author & Editor
Captain Fred Calhoun is registered professional engineer. He has been diving since 1953 during which time he has owned a dive shop, and since 1978, captained the dive boat Easy Rider out of Cape Ann, Massachusetts. Fred began teaching scuba in 1957 and has been a certified instructor for NEC, YMCA, NAUI and PDIC. He is the recipient of the NAUI Outstanding Achievement Award and was one of the original inductees in the NAUI Hall of Honor. He is also the recipient of the SSI Platinum Pro 5000 award and the J.B Green award.
Together with his wife Chris, Fred has made several award-winning underwater films including The Wall (CINE Prize) about diving the Tongue of the Ocean, and Largo (Knights of Malta, Island of Malta Prize) shot off the coast of the Florida Keys.
Cecile Christensen has been scuba diving since 1966 and is a NAUI instructor. She ia a principal of the Boston Scuba Diving Show and the first mate of the dive charter boat Easy Diver. In addition, she is a film and video editor/producer who has produced Florida Keys and Bahamas dive guides.
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