Terms of use

Last updated October 17, 2026

ndt.support is published by NDT LLC. By using it you agree to these terms.

• The tools give general information from the published documents they name. They are not your employer's written practice, and they don't certify, qualify or approve anyone. Your employer's written practice and your Responsible Level III decide what applies to you.
• Answers to Ask a Level III questions are general guidance based on what you tell us. They are not a review of your program, procedures or work, and no consulting relationship starts unless we agree one in writing.
• Please don't send confidential, proprietary or export-controlled information through the form.
• The site is provided as is. We work to keep the figures right but make no promise they are complete or error-free. To the extent the law allows, NDT LLC is not liable for losses from relying on it.
• Not affiliated with or endorsed by ASNT, the Aerospace Industries Association, or any standards publisher.

Questions: contact@ndt.llc.