This Study Guide is intended to aid candidates preparing for the ASNT NDT Level III Basic Examination in one or more methods. It is also useful for individuals preparing to take a Basic Level III Examination under an employer’s qualification and certification program. The content and sample questions have been updated to reflect the latest (2016) editions of SNT-TC-1A, CP-189, and CP-105. Included are inquiries and responses from ASNT”s SNT-TC-1A Interpretation Panel for in-depth understanding. An extensive section is devoted to the general application of 11 different NDT methods, including topical outlines, references, and method-specific questions and answers. In Section III, questions have been reorganized to reflect the chapter sequence in the second (revised) edition of Materials and Processes for NDT Technology, published by ASNT in 2016. Appendixes detailing the Code of Ethics for Level III NDT Personnel and the ASNT NDT Level III Program are also included. ISBN(s): ISBN: 978-1-57117-388-1 (print) ISBN: 978-1-57117-389-8 (ebook) 9781571173881 9781571173898