Contents

	Forward Preface User’s Guide Acknowledgements Introduction	v ix x x xi
	Section 1 Introduction to scuba diving
1 2 3 4 5 6 7 8 9	Snorkelling equipment The scuba unit Accessories Pressure Gas behaviour Buoyancy control Avoiding pressure injuries Avoiding ear injuries Avoiding lung injuries	3 9 15 19 22 25 29 32 37
	Section 2 The diver underwater
10 11 12 13 14 15 16	Scuba air Oxygen Carbon Dioxide Toxicity Carbon monoxide and other contaminants Nitrogen Narcosis Solubility of gases Decompression Illness	43 46 50 52 54 57 60
	Section 3 Dive planning
17 18 19 20 21 22 23 24	The buddy system Emergency procedures Conducting the dive Avoiding Bubble Trouble Water movement Boat diving Dive preparation The environment and the law	67 70 73 76 81 84 87 91
	Section 4 Diving first aid
25 26 27 28 29 30 31	Basic life support Exposure Bubble Trouble Ear injuries Potentially dangerous marine animals Stress and rescue Safe diving practices	97 105 109 114 117 121 124
	Section 5 Specialty diving
32 33 34 35 36 37 38	Underwater navigation Night diving Deep diving Wreck diving Drift diving Freshwater diving Other special interest diving	129 136 143 156 158 159 161
	Section 6 Scuba mechanics
39 40 41 42 43 44 45	Scuba cylinders Cylinder valves Regulator reducing valves Regulator demand valves Scuba instruments Buoyancy compensators Scuba equipment fault finding	165 167 169 175 179 182 185
	Section 7 Appendices
I II III IV V VI VII VIII IX	Essential diving skills General safety rules Diver’s first aid flow chart Diver emergency service contacts Diver’s first aid kit Hand signals Quick and Easy Dive table Practical training guide Answers to review questions	193 196 197 198 199 200 201 202 203