Check out the Academy of Scuba's upcoming Enriched Air Classes in September
For Basic Nitrox
http://www.academyofscuba.com/courses/techdiver/nitrox_diver.html
For Advanced Nitrox
http://www.academyofscuba.com/courses/techdiver/advanced_nitrox.html
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For Basic Nitrox
http://www.academyofscuba.com/courses/techdiver/nitrox_diver.html
For Advanced Nitrox
http://www.academyofscuba.com/courses/techdiver/advanced_nitrox.html
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