1. ASME, Gas Transmission and Distribution Piping Systems, ASME Code for Pressure Piping, B31, ASME B31.8-1999 (Revision of ASME B31.8-1995).
2. API, Managing System Integrity for Hazardous Liquid Pipelines, API Standard 1160, Draft, April 2001.
3. NACE, Stress Corrosion Cracking (SCC) Direct Assessment Methodology, NACE Standard RP 0204-2004.
4. NACE, In-Line Inspection of Pipelines, NACE Standard RP 0102-2002.
5. U.S. Code of Federal Regulations (CFR), Title 49: Transportation, Part 192: Transportation of Natural and Other Gas by Pipeline Minimum Federal Safety Standards, Subpart O: Gas Transmission Pipeline Integrity Management. Available from: .