The Advanced Trimix Manual is the text-book literary assistant to the TDI Advanced Trimix certification course. This course has been designed to help teach participants how to conduct serious dives well beyond the limits familiar to the vast majority of divers. Graduates from the TDI Advanced Trimix course will have the ability to plan and lead complex trimix decompression dives to a maximum depth of 100m/330 feet. Using the Advanced Trimix Manual as a reference, students may utilize the Knowledge Quest Work Booklet by answering the provided questions with the most appropriate and accurate answers. The Knowledge Quest is designed to be used as an assessment for enrolled students and their respective instructors.