The number in parentheses following each reference is the ASNT catalog number.

• Level III Study Guide: Liquid Penetrant Testing Method (PT), Second Edition (2255)
• NDT Handbook, Fourth Edition: Volume 1, Liquid Penetrant Tests (0142, 0142CD, 0142WCD)
• Supplement to Recommended Practice No. SNT-TC-1A (Q&A Book) – Liquid Penetrant Testing Method, Revised Edition (2029)

This examination is 2 hrs in length, having 90 questions of equal value.