ASNT PT Level III – Refresher Course (Online)

The ASNT Liquid Penetrant Testing (PT) Level III Refresher Course by NDTWorldwide® is designed for experienced Liquid Penetrant Testing Level II and Level III professionals who are preparing to renew or revalidate their ASNT PT Level III certification. The course focuses on refreshing core technical knowledge and reinforcing Level III responsibilities in a clear, structured, and exam-focused manner.

This refresher program provides a targeted review of key Liquid Penetrant Testing topics, including PT principles and theory, method limitations, equipment and material selection, quality control of penetrant materials, and safety and health requirements. Emphasis is placed on understanding the establishment of PT techniques, pre- and post-cleaning requirements, and effective management of PT materials and processes.

The course also helps participants remain familiar with interpretation and evaluation of PT indications, acceptance criteria based on applicable codes and standards, auditing of PT activities, and preparation and qualification of PT procedures and work instructions. Through focused revision and practical understanding, candidates strengthen their confidence, technical judgment, and exam readiness, ensuring continued performance as competent and responsible ASNT PT Level III professionals.

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Training Objective

ASNT PT Level III Refresher Course

PT Principles & Theory

Understand the principles and theory of liquid penetrant testing.
Understand the limitations of the PT method and related techniques.
Learn how to establish PT techniques, procedures, and pre-cleaning and post-cleaningrequirements.
Understand Level III responsibilities for PT training, examination, and personnel oversight.

PT Equipment & Materials

Understand the selection of penetrant, developer, and cleaner materials based on requirements.
Learn how to determine and manage required PT materials and equipment.
Understand quality control requirements for PT materials and equipment.
Verify environmental conditions such as lighting, temperature, cleanliness, ventilation,and safety meet procedure requirements.

Interpret & Evaluate PT Results

Understand how to establish acceptance criteria based on applicable codes, standards, specifications, and procedures.
Learn how to determine the relevancy of penetrant indications.
Interpret and evaluate PT indications to support acceptance or rejection decisions.
Understand auditing requirements for PT activities and inspection records.

PT Procedures

Understand how to determine PT requirements from specifications and contractual documents.
Learn how to prepare, qualify, review, and approve PT procedures and work instructions.
Understand implementation of PT techniques in accordance with written procedures.
Maintain PT training, certification, material control, and process control programs.

Who Should Attend

This ASNT PT Level III – Refresher Course is ideal for professionals seeking certification and technical advancement:

Aspiring ASNT PT Level III candidates
NDT professionals – Managers, Engineers, Supervisors, Inspectors, Technicians
QA/QC & Welding professionals
Metallurgists, Mechanical & Production Engineers
Asset Integrity & RBI Inspectors

Note: No prerequisites to attend the course.
ASNT exam eligibility requires minimum education and experience, as per ASNT published guidelines.
A focused refresher for professionals aiming at ASNT PT Level III success.

ASNT PT Level III – Refresher Course - Syllabus

Develop and deliver PT training and exams (e.g., Level I, Level II, Level III)
Perform oversight of PT personnel training
Understand/Apply limitations of method and technique(s)
Establish PT technique and procedures
Establish PT pre/post cleaning protocols

Select PT materials per requirements
Determine required test materials & equipment
Manage quality control of PT materials & equipment
Verify environment meets procedures (e.g., debris, lighting, safety, temperature, weather conditions)
Maintain environmental controls (e.g., SDS, ventilation)

Establish acceptance criteria based on Codes, Standards, Specifications, and Procedures
Determine relevancy of indications
Interpret/Evaluate indications
Audit PT activities and records

Determine PT requirements per Specifications b. Collaborate with engineers and management
Implement inspection technique(s) per written procedures
Prepare test procedures & work instructions
Qualify written test procedures
Maintain PT training & certification program(s) (e.g., document, qualify/requalify)
Oversee PT operations (e.g., inspect/reinspect, process audit)
Maintain PT material & process control program

Books to be Studied (Main References)

Document	Edition
1. ASNT Level III Study Guide: Liquid Penetrant Testing (PT)	3rd Edition
2. Liquid Penetrant Testing Classroom Training Book,	2nd Edition
3. Principles and Applications of Liquid Penetrant Testing	-
4. ASNT Questions & Answers Book: Liquid Penetrant Testing (PT)	3rd Edition
5. Quick Reference Method Cards: Liquid Penetrant Testing (PT)	-
6. Nondestructive Testing Handbook, Vol. 1: Liquid Penetrant Testing (PT)	4th Edition
7. Programmed Instruction Series: Liquid Penetrant Testing (PT)	-
8. Relevant Discontinuities: Magnetic Particle (MT) and Liquid Penetrant (PT) Testing	-
9. Nonrelevant and False Indications	-

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ASNT PT Level III – Refresher Course Schedule

ASNT PT Level III – Refresher Course (Feb2026)

Course Dates: 2nd Feb 2026 to 28th Feb 2026 (20 Days)
Course Duration: 40 Hours
Online (Through Zoom)
Class timings: 8:30 PM to 10:30 PM IST