TheTrimix Scuba Association (TSA) is a diver training organization specializing in training and certification intechnical diving and the safe use ofnitrox andtrimix.
TSA was founded inSwitzerland and has been active inItaly since 1997,[1] offering courses specific to the use of both binary gas mixtures, such asNitrox andHeliox, and ternary, such asTrimix.
Since January 2006 recreational diving has been included in its educational programs, with the aim of improving safety in this type of simple and enjoyable diving in bothfreediving andscuba diving.
There are also specific courses for semi-closed circuitrebreathers (SCR).
