1. API. Recommended practice for fitness-for-service. API 579. Washington, DC: American Petroleum Institute, 2000.
2. API. Pressure vessel inspection code: maintenance inspection, rerating, repair and alteration, API 510. Washington, DC: American Petroleum Institute, 1999.
3. API. Piping inspection code: inspection, repair, alteration, and rerating of in-service piping systems. API 570. Washington, DC: American Petroleum Institute, 1998.
4. API. Tank inspection, repair, alteration, and reconstruction, API 653. Washington, DC: American Petroleum Institute, 1998.
5. API. Recommended practice for risk-based inspection, API 580 (in development). Washington, DC: American Petroleum Institute.