A certification agency specialized in technical diving training. Features information on educational programs, news, contacts, and directory.

Scientific references compiled by Larry "Harris" Taylor, Ph.D.

Lex Ballantyne and Bill Delp compare and contrast the gas mixtures. Features a discussion of partial pressure and continuous blending.

International Association of Nitrox and Technical Divers (IANTD) offers mission statement, information on training programs, articles, and contacts.

Find details on trimix and gas blending training. Includes articles on technology, course outlines, training, and instructors.

Provides information on the history and benefits and limitations of the gas mix. Features a brief history of the technology, safety issues, and myths.

Safety manual provided by University of Alaska Scientific Diving program. Features information on gas mixing, oxygen parameters, and equipment guidelines.

An overview of safety and technical issues for the gas mixture. Features an appendix of related acronyms.

Burks Oakley II of the University of Illinois at Springfield offers background information on the gas, the certification process, and on lessening the effects of nitrogen. Features related links.

Features background information, FAQ, and links, Also find Equivalent Air Depth and Oxygen Partial Pressure charts.