| Specification | Process Description | Category | Limits |
| ACS-PRS-1053 | Process Specification for Etching Prior to Penetrant Inspection | Chemical Processing | Limits: Aluminum only. Ref. RC/I BR435159 & BR435158 |
| ACS-PRS-1151 | Welding of Tubular Joints | Welding | Limits: None |
| ACS-PRS-2151 | Process Specification for Sealing, Integral Fuel Tank and Fuel Cell Cavity | Finishes/Coatings | Limits: Type II sealants. Not approved for Appendix A |
| ACS-PRS-2204 | Cleaning and surface preparation of titanium and titanium alloys | Chemical Processing | Limits: Para. 3.3.2.1 Method A and B Not approved for Appendix A |
| ACS-PRS-7005 | Penetrant Inspection | Non-Destructive Testing | Limits: Type I, Method A, Sensitivity Level 3, form D developer. Excludes Appendix B |
| ASTM E1417 | Standard Practice for Liquid Penetrant Testing | Non-Destructive Testing | Limits: None |
| AWS D:17.1 | Fusion Welding for Aerospace Applications | Welding | Limits: GTAW Only |
| MIL-DTL-5541 | Chemical Conversion Coatings for Aluminum and Aluminum Alloy | Chemical Processing | Limits: Limited to Type I only. |
| MIL-STD-2219 | Fusion Welding for Aerospace Applications | Welding | Limits: GTAW Only |