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												How to Make Solo Rebreather Diving Safer
technical So,what’s Say that you dive on your own with wrong about a rebreather and wait for the reactions. matters bringing a Rubiks cube You’ll hear some nasty comments about along on a dive? you being an accident waiting to happen Discussions about diving never did a solo dive. The other 92 percent have done at least a few Column by are very often boring— solo dives, with 33 percent doing Cedric Verdier always the same stories mostly solo diving. about numerous sharks Of course, a poll only represents dangerously close, strong the opinion of a few individuals current ripping a mask off who want to answer the questions. It cannot be considered as the “big or friendly dolphins play- picture” of the entire rebreather ing during a deco stop. diver community. Nevertheless, it We heard them so many shows that some rebreather divers times. keep on diving solo, even if the perceived risk is so high… So, if you want to have some Why people don’t dive fun, simply say that you dive on solo with a rebreather? your own with a rebreather and Simply because that’s one wait for the reactions. You’ll hear of the most basic rules some nasty comments about one learns during the you being an accident waiting Open Water Diver to happen, and some people course: “Never dive will clearly show you their option alone”. It’s so famous about your mental health. that it’s almost a dogma. And it sounds Why? Because everybody so logical? knows that CCR Solo diving is the most stupid thing to do on Earth 1. - 
												
												Full Paper/Talk Deep Stops and Shallow Stops – Fact and Fancy
Full Paper/Talk Deep Stops and Shallow Stops – Fact and Fancy B.R. Wienke1 and T.R. O’Leary2 1 C&C Dive Team Ldr, Program Manager Computational Physics, LANL, MS D490, Los Alamos, NM 87545 [email protected] 2 Director, NAUI Technical Diving Operations, 33256 State Rd 100, South Padre Island, TX, 78597 Abstract The question of deep stops and shallow stops is interesting and fraught with controversy in diving circles and operations, training, exploration and scientific endeavors. Plus frought with some misunderstanding which is understandable as the issues are complex. We therefore attempt a short history of deep and shallow stops, physical aspects, staging differences, diving tests, models with data correlations and data banks with user statistics and DCS outcomes as diver amplification. Pros and cons of both deep stop and shallow stop staging are presented. Misfacts are righted when appropriate. Chamber, wet and Doppler tests are contrasted. A compendium of Training Agency Standards regarding deep and shallow stops is included. Dive software is also detailed. Some commercial diving operations are discussed. A short tabulation of dive computer and software algorithms is given. From diving data, tests, DCS outcomes and field usage, we conclude that both deep stops and shallow stops are safely employed in recreational and technical diving. That is a good thing but choose your deco wisely and know why. Keywords: computational models, decompression staging, profile data, risk, statistical correlations, tests Acronyms and Nomenclature ANDI: Association of Nitrox Diving Instructors. BM: bubble phase model dividing the body into tissue compartments with halftimes that are coupled to inert gas diffusion across bubble film surfaces of exponential size distribution constrained in cumulative growth by a volume limit point. - 
												
												Public Safety Scuba Diving
Industry Guide 47 A Guide to Public Safety Diving N.C. Department of Labor Occupational Safety and Health Division N.C. Department of Labor 1101 Mail Service Center Raleigh, NC 27699-1101 Cherie Berry Commissioner of Labor N.C. Department of Labor Occupational Safety and Health Program Cherie Berry Commissioner of Labor OSHA State Plan Designee Kevin Beauregard Deputy Commissioner for Safety and Health Scott Mabry Assistant Deputy Commissioner for Safety and Health Tom Savage Standards Officer Author Acknowledgments A Guide to Public Safety Diving has been prepared with materials and information from the General Industry Standards, 29 CFR 1910, Subpart T—Commercial Diving Operations, and OSHA Instruction CPL 02-00-151 (U.S. Department of Labor, Occupational Safety and Health Administration). This guide also contains information from sources such as U.S. Navy Diving Manual, National Association of Search and Rescue, California Department Fish and Game Diving Safety Manual, and the National Fire Protection Association, NFPA 1670—Standard on Operations and Technical Search and Rescue. Through an existing alliance established between the N.C. Department of Labor’s Occupational Safety and Health Divi- sion and the North Carolina Public Safety Divers’ Association (PSDA), a collaborative effort was established to make this guide possible. The PSDA board of directors provided expertise involving public safety diving in sharing best practices and technical knowledge. A special thanks to Chuck Elgin, North Carolina Underwater Response Team, for his dedication and hard work assisting in the development of this publication. This guide is intended to be consistent with all existing OSHA standards; therefore, if an area is considered by the reader to be inconsistent with a standard, then the OSHA standard should be followed. - 
												
												ECHM-EDTC Educational and Training Standards for Diving and Hyperbaric Medicine 2011
ECHM-EDTC Educational and Training Standards for Diving and Hyperbaric Medicine 2011 EDUCATIONAL AND TRAINING STANDARDS FOR PHYSICIANS IN DIVING AND HYPERBARIC MEDICINE Written by Joint Educational Subcommittee of the European Committee for Hyperbaric Medicine (ECHM) and the European Diving Technical Committee (EDTC) List of content: Foreword ..................................................................................................................................................2 1. Introduction...........................................................................................................................................3 2. Definition of jobs...................................................................................................................................4 3. Training programs ................................................................................................................................6 4. Content of modules ..............................................................................................................................7 5. Standards for course organisation and certification.............................................................................9 5.1. Teaching courses..........................................................................................................................9 5.2. Modules and course organisation.................................................................................................9 5.3. Recognition of an expert.............................................................................................................10 - 
												
												8. Decompression Procedures Diver
TDI Standards and Procedures Part 2: TDI Diver Standards 8. Decompression Procedures Diver 8.1 Introduction This course examines the theory, methods and procedures of planned stage decompression diving. This program is designed as a stand-alone course or it may be taught in conjunction with TDI Advanced Nitrox, Advanced Wreck, or Full Cave Course. The objective of this course is to train divers how to plan and conduct a standard staged decompression dive not exceeding a maximum depth of 45 metres / 150 feet. The most common equipment requirements, equipment set-up and decompression techniques are presented. Students are permitted to utilize enriched air nitrox (EAN) mixes or oxygen for decompression provided the gas mix is within their current certification level. 8.2 Qualifications of Graduates Upon successful completion of this course, graduates may engage in decompression diving activities without direct supervision provided: 1. The diving activities approximate those of training 2. The areas of activities approximate those of training 3. Environmental conditions approximate those of training Upon successful completion of this course, graduates are qualified to enroll in: 1. TDI Advanced Nitrox Course 2. TDI Extended Range Course 3. TDI Advanced Wreck Course 4. TDI Trimix Course 8.3 Who May Teach Any active TDI Decompression Procedures Instructor may teach this course Version 0221 67 TDI Standards and Procedures Part 2: TDI Diver Standards 8.4 Student to Instructor Ratio Academic 1. Unlimited, so long as adequate facility, supplies and time are provided to ensure comprehensive and complete training of subject matter Confined Water (swimming pool-like conditions) 1. - 
												
												Chapter 23 ENVIRONMENTAL EXTREMES: ALTERNOBARIC
Environmental Extremes: Alternobaric Chapter 23 ENVIRONMENTAL EXTREMES: ALTERNOBARIC RICHARD A. SCHEURING, DO, MS*; WILLIAM RAINEY JOHNSON, MD†; GEOFFREY E. CIARLONE, PhD‡; DAVID KEYSER, PhD§; NAILI CHEN, DO, MPH, MASc¥; and FRANCIS G. O’CONNOR, MD, MPH¶ INTRODUCTION DEFINITIONS MILITARY HISTORY AND EPIDEMIOLOGY Altitude Aviation Undersea Operations MILITARY APPLIED PHYSIOLOGY Altitude Aviation Undersea Operations HUMAN PERFORMANCE OPTIMIZATION STRATEGIES FOR EXTREME ENVIRONMENTS Altitude Aviation Undersea Operations ONLINE RESOURCES FOR ALTERNOBARIC ENVIRONMENTS SUMMARY *Colonel, Medical Corps, US Army Reserve; Associate Professor, Military and Emergency Medicine, Uniformed Services University of the Health Sci- ences, Bethesda, Maryland †Lieutenant, Medical Corps, US Navy; Undersea Medical Officer, Undersea Medicine Department, Naval Medical Research Center, Silver Spring, Maryland ‡Lieutenant, Medical Service Corps, US Navy; Research Physiologist, Undersea Medicine Department, Naval Medical Research Center, Silver Spring, Maryland §Program Director, Traumatic Injury Research Program; Assistant Professor, Military and Emergency Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland ¥Colonel, Medical Corps, US Air Force; Assistant Professor, Military and Emergency Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland ¶Colonel (Retired), Medical Corps, US Army; Professor and former Department Chair, Military and Emergency Medicine, Uniformed Services University of the Health Sciences, - 
												
												T1, U-2 and L1 Transmitters™ Software V3.06 April 22, 2014
™ Air Integrated Dive Computer User Manual ™ Air Integrated Dive Computer Software v1.18 Ultrasonic software v1.11 And T1, U-2 and L1 Transmitters™ Software v3.06 April 22, 2014 Liquivision Products, Inc -1- Manual 1.6; Lynx 1.18; US 1.11; U-2 3.06 ™ Air Integrated Dive Computer User Manual CONTENTS IMPORTANT NOTICES ............................................................................................................................... 8 Definitions ..................................................................................................................................................... 9 User Agreement and Warranty ....................................................................................................................... 9 User Manual .................................................................................................................................................. 9 Liquivision Limitation of Liability ............................................................................................................... 10 Trademark Notice ........................................................................................................................................ 10 Patent Notice ............................................................................................................................................... 10 CE ............................................................................................................................................................... 10 LYNX - 
												
												Deadly Acute Decompression Sickness in Risso's Dolphins
www.nature.com/scientificreports OPEN Deadly acute Decompression Sickness in Risso’s dolphins A. Fernández, E. Sierra, J. Díaz-Delgado, S. Sacchini , Y. Sánchez-Paz, C. Suárez-Santana, M. Arregui, M. Arbelo & Y. Bernaldo de Quirós Received: 19 April 2017 Diving air-breathing vertebrates have long been considered protected against decompression sickness Accepted: 5 October 2017 (DCS) through anatomical, physiological, and behavioural adaptations. However, an acute systemic gas Published: xx xx xxxx and fat embolic syndrome similar to DCS in human divers was described in beaked whales that stranded in temporal and spatial association with military exercises involving high-powered sonar. More recently, DCS has been diagnosed in bycaught sea turtles. Both cases were linked to human activities. Two Risso’s dolphin (Grampus griseus) out of 493 necropsied cetaceans stranded in the Canary Islands in a 16-year period (2000–2015), had a severe acute decompression sickness supported by pathological fndings and gas analysis. Deadly systemic, infammatory, infectious, or neoplastic diseases, ship collision, military sonar, fsheries interaction or other type of lethal inducing associated trauma were ruled out. Struggling with a squid during hunting is discussed as the most likely cause of DCS. Pathologies related to efects of changes in pressure are well known among human divers. Decompression sick- ness (DCS) is a syndrome related to the formation of gas bubbles in blood and/or tissues when the sum of the dissolved gas tensions exceeds the local absolute pressure. Gas bubbles may have biochemical efects and disrupt the tissues or occlude the vessels with clinical and pathological signs and, in certain cases, death1. - 
												
												Diving Safety Manual Revision 3.2
Diving Safety Manual Revision 3.2 Original Document: June 22, 1983 Revision 1: January 1, 1991 Revision 2: May 15, 2002 Revision 3: September 1, 2010 Revision 3.1: September 15, 2014 Revision 3.2: February 8, 2018 WOODS HOLE OCEANOGRAPHIC INSTITUTION i WHOI Diving Safety Manual DIVING SAFETY MANUAL, REVISION 3.2 Revision 3.2 of the Woods Hole Oceanographic Institution Diving Safety Manual has been reviewed and is approved for implementation. It replaces and supersedes all previous versions and diving-related Institution Memoranda. Dr. George P. Lohmann Edward F. O’Brien Chair, Diving Control Board Diving Safety Officer MS#23 MS#28 [email protected] [email protected] Ronald Reif David Fisichella Institution Safety Officer Diving Control Board MS#48 MS#17 [email protected] [email protected] Dr. Laurence P. Madin John D. Sisson Diving Control Board Diving Control Board MS#39 MS#18 [email protected] [email protected] Christopher Land Dr. Steve Elgar Diving Control Board Diving Control Board MS# 33 MS #11 [email protected] [email protected] Martin McCafferty EMT-P, DMT, EMD-A Diving Control Board DAN Medical Information Specialist [email protected] ii WHOI Diving Safety Manual WOODS HOLE OCEANOGRAPHIC INSTITUTION DIVING SAFETY MANUAL REVISION 3.2, September 5, 2017 INTRODUCTION Scuba diving was first used at the Institution in the summer of 1952. At first, formal instruction and proper information was unavailable, but in early 1953 training was obtained at the Naval Submarine Escape Training Tank in New London, Connecticut and also with the Navy Underwater Demolition Team in St. - 
												
												Dive Theory Guide
DIVE THEORY STUDY GUIDE by Rod Abbotson CD69259 © 2010 Dive Aqaba Guidelines for studying: Study each area in order as the theory from one subject is used to build upon the theory in the next subject. When you have completed a subject, take tests and exams in that subject to make sure you understand everything before moving on. If you try to jump around or don’t completely understand something; this can lead to gaps in your knowledge. You need to apply the knowledge in earlier sections to understand the concepts in later sections... If you study this way you will retain all of the information and you will have no problems with any PADI dive theory exams you may take in the future. Before completing the section on decompression theory and the RDP make sure you are thoroughly familiar with the RDP, both Wheel and table versions. Use the appropriate instructions for use guides which come with the product. Contents Section One PHYSICS ………………………………………………page 2 Section Two PHYSIOLOGY………………………………………….page 11 Section Three DECOMPRESSION THEORY & THE RDP….……..page 21 Section Four EQUIPMENT……………………………………………page 27 Section Five SKILLS & ENVIRONMENT…………………………...page 36 PHYSICS SECTION ONE Light: The speed of light changes as it passes through different things such as air, glass and water. This affects the way we see things underwater with a diving mask. As the light passes through the glass of the mask and the air space, the difference in speed causes the light rays to bend; this is called refraction. To the diver wearing a normal diving mask objects appear to be larger and closer than they actually are. - 
												
												Biomechanics of Safe Ascents Workshop
PROCEEDINGS OF BIOMECHANICS OF SAFE ASCENTS WORKSHOP — 10 ft E 30 ft TIME AMERICAN ACADEMY OF UNDERWATER SCIENCES September 25 - 27, 1989 Woods Hole, Massachusetts Proceedings of the AAUS Biomechanics of Safe Ascents Workshop Michael A. Lang and Glen H. Egstrom, (Editors) Copyright © 1990 by AMERICAN ACADEMY OF UNDERWATER SCIENCES 947 Newhall Street Costa Mesa, CA 92627 All Rights Reserved No part of this book may be reproduced in any form by photostat, microfilm, or any other means, without written permission from the publishers Copies of these Proceedings can be purchased from AAUS at the above address This workshop was sponsored in part by the National Oceanic and Atmospheric Administration (NOAA), Department of Commerce, under grant number 40AANR902932, through the Office of Undersea Research, and in part by the Diving Equipment Manufacturers Association (DEMA), and in part by the American Academy of Underwater Sciences (AAUS). The U.S. Government is authorized to produce and distribute reprints for governmental purposes notwithstanding the copyright notation that appears above. Opinions presented at the Workshop and in the Proceedings are those of the contributors, and do not necessarily reflect those of the American Academy of Underwater Sciences PROCEEDINGS OF THE AMERICAN ACADEMY OF UNDERWATER SCIENCES BIOMECHANICS OF SAFE ASCENTS WORKSHOP WHOI/MBL Woods Hole, Massachusetts September 25 - 27, 1989 MICHAEL A. LANG GLEN H. EGSTROM Editors American Academy of Underwater Sciences 947 Newhall Street, Costa Mesa, California 92627 U.S.A. An American Academy of Underwater Sciences Diving Safety Publication AAUSDSP-BSA-01-90 CONTENTS Preface i About AAUS ii Executive Summary iii Acknowledgments v Session 1: Introductory Session Welcoming address - Michael A. - 
												
												Deep Sea Dive Ebook Free Download
DEEP SEA DIVE PDF, EPUB, EBOOK Frank Lampard | 112 pages | 07 Apr 2016 | Hachette Children's Group | 9780349132136 | English | London, United Kingdom Deep Sea Dive PDF Book Zombie Worm. Marrus orthocanna. Deep diving can mean something else in the commercial diving field. They can be found all over the world. Depth at which breathing compressed air exposes the diver to an oxygen partial pressure of 1. Retrieved 31 May Diving medicine. Arthur J. Retrieved 13 March Although commercial and military divers often operate at those depths, or even deeper, they are surface supplied. Minimal visibility is still possible far deeper. The temperature is rising in the ocean and we still don't know what kind of an impact that will have on the many species that exist in the ocean. Guiel Jr. His dive was aborted due to equipment failure. Smithsonian Institution, Washington, DC. Depth limit for a group of 2 to 3 French Level 3 recreational divers, breathing air. Underwater diving to a depth beyond the norm accepted by the associated community. Limpet mine Speargun Hawaiian sling Polespear. Michele Geraci [42]. Diving safety. Retrieved 19 September All of these considerations result in the amount of breathing gas required for deep diving being much greater than for shallow open water diving. King Crab. Atrial septal defect Effects of drugs on fitness to dive Fitness to dive Psychological fitness to dive. The bottom part which has the pilot sphere inside. List of diving environments by type Altitude diving Benign water diving Confined water diving Deep diving Inland diving Inshore diving Muck diving Night diving Open-water diving Black-water diving Blue-water diving Penetration diving Cave diving Ice diving Wreck diving Recreational dive sites Underwater environment.