Key Documents

Documents related to the Gas Transmission Pipeline Integrity Management process are available below. The most recent documents are listed first.

April 10, 2008: Letter from PHMSA to AGA; Re: Use of ECDA on Cased Pipelines for Completion of Baseline Assessments
January 2008: Gas IMP Inspection Protocols
July 2007: Gas IMP Inspection Protocols (Superseded, See January 2008 Revision):
July 17, 2007: Gas Transmission Rule (Corrected)
- Combined Text (original plus correction)
- Correction Only (as published in Federal Register)
January 2007: Gas IMP Inspection Protocols (Superseded, See July 2007 Revision):
December 29, 2006: Advisory Bulletin:"Senior Executive Signature and Certification of IM Program Performance Reports"
September 2006: GAO Reports on Gas Integrity Management
- Risk-Based Standards Should Allow Operators to Better Tailor Reassessments to Pipeline Threats (pdf format)
- Integrity Management Benefits Public Safety, but Consistency of Performance Measures Should Be Improved (pdf format)
January 2006: Gas IMP Inspection Protocols (Superseded, See January 2007 Revision):
July 29, 2005: Advisory Bulletin:"Integrity Management Notifications for Gas Transmission Lines"
May 09, 2005: Notification Review Process
January 21, 2005: Advisory Bulletin for Performance Measure Reporting
October 2004: Draft Protocols (Superseded, See January 2006 Revision):
- Gas Integrity Management Protocol Results Form (Microsoft Word)
- Composite view of wording changes only (web page)
July 22, 2004: Advisory Bulletin: "Semi-annual Reporting of Performance Measures for Gas Transmission Pipeline Integrity Management"
June 28, 2004: Internal Inspection Device Rule
May 26, 2004: Gas Transmission Rule (Corrected)
- Combined Text (original plus 2 corrections)
- Correction Only (as published in Federal Register)
April 6, 2004: Gas Transmission Rule (Corrected)
- Correction Only (as published in Federal Register)
December 15, 2003: Gas Transmission Rule (as published in Federal Register)

October 8, 2003: Pipeline Safety: Stress Corrosion Cracking (SCC) Threat to Gas and Hazardous Liquid Pipelines
November 17, 2003: Notice "Pipeline Safety: Guidance on When the Baseline Integrity Assessment Begins"
July 17, 2003: Advisory Bulletin: "Identified Sites as Part of High Consequence Areas for Gas Integrity Management Programs"
February 3, 2003: Advisory Bulletin: "Required Submission of Data to the National Pipeline Mapping System Under the Pipeline Safety Improvement Act of 2002"
January 28, 2003: RIN 2137-AD54 - Notice of Proposed Rulemaking "Pipeline Integrity Management in High Consequence Areas"
August 6, 2002: RIN 2137-AD64 - Final Rule "High Consequence Areas for Gas Transmission Pipelines"
January 9, 2002: RIN 2137-AD64 - Notice of Proposed Rulemaking "High Consequence Areas for Gas Transmission Pipelines"