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Industry and Other Correspondence

  • November 1, 2010: Guidelines for Integrity Assessment of Cased Pipe for Gas Transmission Pipelines, Rev 1
  • June 16, 2010: Casing Assessment Workshop Q & A and FAQs
  • March 1, 2010: Guidelines for Integrity Assessment of Cased Pipe for Gas Transmission Pipelines in HCAs [Superseded by Rev 1, November 1, 2010]
  • March 6, 2008: AGA letter on the Use of ECDA on Cased Pipe for Completion of Baseline Assessments
  • April 10, 2008: PHMSA Response Letter
Updated: Thursday, September 6, 2018