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Topic: Nitrox

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Enriched Air Nitrox

Oxygen toxicity

Technical diving

Maximum operating depth

Trimix

Heliair

Diver training organizations

Oxygen toxicity

Heliox

Diving mask

Decompression sickness

Partial pressure

Barotrauma

Air embolism

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	Explorer Ventures / Nitrox (Site not responding. Last check: 2007-11-03)
		Nitrox is simply air in which the partial pressure of oxygen has been increased beyond the 21% normally found in air.
		Nitrox is created either through the addition of pure oxygen to the mixture, or the subtraction of nitrogen with a membrane system.
		Nitrox diving has many advantages: absorption of less nitrogen into the bloodstream and body tissues, reduced risk of decompression illness for equivalent profiles, and less post-dive fatigue (especially useful on liveaboards!).
	www.explorerventures.com /common/nitrox.html (357 words)

	Nitrox diving (Site not responding. Last check: 2007-11-03)
		Nitrox means a mix of nitrogen and oxygen and the word "nitrox" doesn't tell the relations of those elements.
		Hyperoxic nitrox is EANx, and normoxic nitrox is basically air, 21% of oxygen and 79% of nitrogen.
		In 1995 PADI (Professional Association of Diving Instructors) took nitrox training as a part of it's training program, and the course certifies diver to dive nitrox dives within the recreational limits and with blends of 22%-40% of oxygen.
	www.techdiver.ws /nitrox_eng.shtml (916 words)

	New Jersey Scuba Diver - Dive Gear & Training - Nitrox and Air
		Using your old air computer with Nitrox may lend a degree of safety, but it is mainly just a waste of expensive gas, and under certain conditions (diving near the depth limits of your mix) could expose you to oxygen poisoning.
		Nitrox is also often credited with preventing post-dive headaches, leading to its nickname: "the feel-good gas" (also: "geezer-gas").
		The Nitrox course can help you get a better handle on decompression theory, and having a better understanding of what is actually going on will make you a safer diver, whether or not you actually use the silly stuff.
	www.njscuba.net /gear/trng_05_nitrox.html (3042 words)

	Fish 'n Fins - Nitrox
		Nitrox, or Enriched Air, is a mixture of air with less nitrogen and more oxygen than the normal air we breathe from our scuba tanks.
		NITROX is available in mixtures of 32% oxygen, 36% oxygen and 40% oxygen.
		This higher oxygen percentage and lower nitrogen percentage in the air means that there is less nitrogen dissolved into the bloodstream of a Nitrox user at the same time and depth as someone breathing normal air.
	www.fishnfins.com /Nitrox.html (351 words)

	Technical Diving International: Courses (Site not responding. Last check: 2007-11-03)
		The objective of this course is to train divers in the benefits, hazards and proper procedures for using nitrox mixes from 22% to 40% oxygen content.
		This is the entry-level certification course for recreational divers wishing to utilize a nitrox semiclosed circuit rebreather (benefits, hazards and proper procedures are comprehensively taught).
		The objective of this course is to train candidates in the proper technique equipment requirements and hazards involved in blending nitrox gases for recreational scuba.
	www.tdisdi.com /tdi/courses/courses.html (519 words)

	Nitrox (Site not responding. Last check: 2007-11-03)
		Nitrox courses are suitable for all divers regardless of the type of diving they do.
		Those divers who prefer not to exceed 35m can use Nitrox to safely extend bottom times or use air tables or computers to greatly increase the safety margins for the dive.
		BSAC Basic Nitrox course is a one-day course, which covers the use of 32% and 36% mixes for no-stop dives using tables.
	www.scubafun.freeserve.co.uk /nitrox.htm (216 words)

	Nitrox Diver
		The Nitrox Diver Course is a comprehensive course that teaches the student practical information needed to use oxygen enriched air.
		Nitrox has very stringent depth limits due to the higher concentration of oxygen in the mixture.
		By using nitrox a diver is minimizing the risks while maximizing diving enjoyment.
	www.e-interchange.com /cndivers/index.cfm?SECTION=257 (398 words)

	Nitrox Network
		In point of fact, nearly 20 years had to pass, until Nitrox could finally be established as an alternative to breathing gas in recreational diving.
		But now they are gone, the times of discussions and ponderings, whether and how Nitrox could be used intelligently, which conditions must be created, so Nitrox can be accepted by the divers etc. All these questions were answered not by experts and specialists of the diving industry, but by the diver himself.
		Nitrox Network is a still young platform; therefore give it some time to grow.
	www.nitrox-network.com /home_en.html (261 words)

	Omni Divers Underwater Services, L.L.C. - Nitrox and Its Impact on the Dive Industry
		Nitrox was first introduced to the recreational market by Dick Rutkowski in 1985 after he retired from NOAA as the Deputy Diving Director.
		Upon retirement Dick looked at all the many safety advantages of Nitrox, which had proven to be true for NOAA Divers for 14 years, and he decided to introduce it to recreational divers.
		It is also evident that by the growth in the last three years that the use of Nitrox is becoming more popular and will be a major financial impact on the dive industry.
	www.webpak.net /~omnidive/nitroximpact.html (1135 words)

	Nitrox FAQ
		Nitrox I and nitrox II are standard nitrox mixes defined by the National Oceanic and Atmospheric Administration (NOAA) in the US.
		Nitrox II is defined to be a mix containing 36% oxygen and 64% nitrogen.
		When planning a dive on nitrox it is vitally important to consider the PO If you look only at the EAD you may be misled by the fact that these are reasonable depths to dive to on air.
	www.gasdiving.co.uk /pages/misc/Nitrox.htm (6068 words)

	Nitrox
		Nitrox is nothing more than any combination of oxygen and nitrogen.
		The majority of Nitrox dives are made within the 130 ' depth limit for recreational divers The popularity of diving with Nitrox today is a result of an enviable safety record of thousands of recreational divers using Nitrox since 1985.
		Enriched Air Nitrox (EAN) is the IDEAL breathing gas for the recreational depths of 40 to 130 feet.
	www.fdu.com /nitrox.htm (489 words)

	Welcome to Illinois Institute Diving, Nitrox Classes (Site not responding. Last check: 2007-11-03)
		A large part of nitrox dive training is spent learning how to safely cope with this restriction.
		Some dive centers require that tanks be oxygen cleaned annually when used with nitrox, due to the tank filing methods which they use.
		Nitrox fills are slightly more expensive than air fills, but the total cost is less per minute because of expanded no decompression time and shorter surface intervals.
	www.iidscuba.com /nitrox.htm (454 words)

	Kevin's NITROX Frequently Asked Questions
		NITROX is a breathing gas that many SCUBA divers use to extend bottom time and increase safety while diving.
		NITROX is simply a mixture of oxygen and nitrogen, but with a higher concentration of oxygen than normal room air.
		In the NITROX class, I instruct students on the simple math needed to calculate the maximum depth for the specific gas you are diving with.
	home.earthlink.net /~rottner/karntrox.htm (1643 words)

	Nitrox, Wreck, Trimix, Technical Diver
		Minimum of 10 (ten) logged dives, or the equivalent at the discretion of the instructor, or the nitrox program may be taught in conjunction with an openwater diver certification.
		The TDI Nitrox Manual is mandatory for use during this course but instructors may use any additional text or materials that they feel help present these topics.
		Since entry level nitrox is essentially an information and academic based course, no dives are specifically required as there are no skills to evaluate.
	www.nitroxdiver.com /Training/eandvr.html (626 words)

	Nitrox Scuba Diving (Site not responding. Last check: 2007-11-03)
		Nitrox is essentially air to which oxygen has been added, thus increasing the percentage of oxygen and decreasing the percentage of nitrogen in the mixture.
		If a diver were to dive the same profile using Nitrox that she or he had done while using air, there would be an overall reduction of nitrogen in the body.
		By using Nitrox and diving the same profiles as divers using air, many divers report that they are not as tired after a series of dives using Nitrox as they were in the past using air.
	www.online.uillinois.edu /oakley/nitrox.html (1772 words)

	PADI Nitrox Enriched Air Divers Course dive Pattaya Thailand
		Nitrox is a mix of oxygen and Nitrogen that is not the usual air content.
		If you are to breathe normal air (with 79% Nitrogen) at a depth of 10 meters now you are breathing the equivalent of 158% Nitrogen (because now you are under 2 atmospheres of pressure, 1 from the surface and 1 atmosphere from the 10 meters of water pressure, hence twice the amount).
		The academics for the Nitrox course are more involved than this simple explanation but at least now you understand why divers might like to 'mix blends'.
	www.learn-in-asia.com /nitroxdiving.htm (871 words)

	Scuba Center - TDI Nitrox classes in Minnesota (Site not responding. Last check: 2007-11-03)
		Nitrox (also known as enriched air or EAN) is a mixture of nitrogen and oxygen that has a higher percentage of oxygen and a lower percentage of nitrogen than air.
		Where air is approximately 21% oxygen, the most commonly used Nitrox mixture is 32% oxygen (this is also sometimes referred to as NOAA Nitrox I or EAN32).
		The availability of Nitrox has grown astronomically in recent years and it is now found in most resort areas and on many live aboard dive boats.
	www.scubacenter.com /nitrox.htm (322 words)

	Special Equipment needed for Nitrox
		In all honesty, Nitrox was known as a "license to steal" by many dive shop owners because to so many people nitrox was voodoo gas and they didn't understand what was involved.
		Nitrox is simply a mix where we bump up the Oxygen a bit.
		Nitrox is getting more popular by the day, and when you realize the safety benefits, and the ease of diving Nitrox, you'll probably decide to use it yourself.
	www.scubatoys.com /store/joelarry/nitrox.asp (563 words)

	Nitrox Diving and Courses in the Red Sea at Camel Dive Club
		With warm water, shallow reefs and a maximum dive depth of 30m, the Red Sea is perfect for nitrox diving.
		Our boats are equipped with a nitrox data log book, and an oxygen analyser to check your mix before diving.
		Student divers can try nitrox during training dive 4 of the PADI Open Water Course, or during any PADI Adventure/Advanced course dive.
	www.cameldive.com /nitrox-red-sea.htm (248 words)

	Nitrox
		Most of you have heard of Nitrox as a diving gas, and Crawley Divers will soon be able to supply Nitrox to suitably qualified divers, so I thought I would write a little article about the subject.
		Nitrox is basically any mixture of oxygen and nitrogen, so in fact air (21% O2 + 79% N2) can be said to be a Nitrox mix.
		Advanced or Combined Nitrox — is a two-day course that allows you to use Nitrox up to 50% for diving and decompression stop use.
	www.crabbsac.org.uk /articles/A026.htm (981 words)

	Nitrox Diving in the Caribbean, Bahamas, Turks and Caicos
		As leader of quality scuba diving in Turks and Caicos, Caicos Adventures is the only land based operation to operate a Nitrox center with state of the art Nitrox blending equipment.
		Enriched Air NITROX is used for sport diving depths of up to 130 feet and provides the added bonus of increased safety when used properly.
		Nitrox mixtures with percentages of oxygen greater than 21% are called Enriched Air Nitrox (EANx).
	www.tcidiving.com /ca_nitrox.htm (460 words)

	Aqua Adventures - Learn to dive with us!!! (Site not responding. Last check: 2007-11-03)
		Nitrox is simply air that is enriched with additional oxygen content between 22% and 40%.
		Nitrox is NOT a "mixed gas" used only by commercial and technical divers and CAN be used by any properly trained recreational diver.
		A nitrox 36% dive to 60 ft has an NDL of 115 min.
	www.aquaadventures.com /lessons/nitrox.shtml (135 words)

	Enriched Air Nitrox certification course, classes & lessons
		Enriched Air, sometimes called Nitrox, is air that has been enriched with oxygen so that it has more than 21% oxygen.
		Through proper training and use of Nitrox we are one step closer to that holy grail of divers, "unlimited bottom time".
		Nitrox certification requires a minimum of two dives that can be done in only one day.
	www.sfscubaschools.com /nitrox.html (543 words)

	Nitrox
		Nitrox fills are available for $15 per tank, or $195 for the entire cruise week.
		Nitrox is available on a first come, first pay basis each week.
		While unlikely, if we are unable to provide Nitrox due to mechanical reasons, we will refund to you any prepaid money for the Nitrox, but NOT any other monies including cruise fares, air fares, taxes, etc. as a result of not being able to provide Nitrox.
	www.nektoncruises.com /Diving/Nitrox.aspx (331 words)

	Nitrox Diving in Malapascua, Cebu, Philippines
		Nitrox filling stations are becoming more and more common in dive shops around the world.
		Another effect of Nitrox is that for the same dive time as an air dive, it reduces the harmful effects of nitrogen in the body.
		You can even combine the nitrox course with any other PADI course to save time and money.
	www.malapascua-diving.com /DiveCourses/Nitrox.html (367 words)

	Enriched Air Nitrox - Wikipedia, the free encyclopedia
		Nitrox with more than 40% oxygen is uncommon within recreational diving.
		Partial blending using pure oxygen is often used to provide nitrox for multiple dives on live-aboard dive boats, but it is also used in some smaller diver shops.
		nitrox which is mixed before being put into the cylinder) below 40% oxygen does not require a specially cleaned cylinder or other equipment.
	en.wikipedia.org /wiki/Nitrox (2391 words)

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