| Specification | Process Description | Category | Limits |
| ACS-PRS-7005 | Penetrant Inspection | Non-Destructive Testing | Limits: Not Approved for Appendix B |
| ACS-PRS-7010 | Magnetic Particle Inspection | Non-Destructive Testing | Limits: None |
| ASTM E1417 | Standard Practice for Liquid Penetrant Testing | Non-Destructive Testing | Limits: None |
| ASTM E1444 | Standard Practice for Magnetic Particle Testing | Non-Destructive Testing | Limits: None |