If Self Study is your path to certification whether it is NDT ASNT Level III or IRRSP then ASNT’s book store offers Study Guides, Questions and Answers Books, Training books and Handbooks that have the body of knowledge for you to be successful in seeking your credentials. Pick your NDT Method and the reference material best suited for you.
If you're preparing for ASNT NDT Level III Exams, then ASNT Refresher Courses are designed for you.
The ASNT refresher courses are for those who are currently Level II or III and are looking to become an ASNT Level III or to maintain their Level III status. Our courses are structured around the same Body of Knowledge as the ASNT NDT Level III examinations. See complete course syllabi, a list of the many materials included with the courses, and a downloadable brochure and registration form.