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Pipeline Closed Recommendations

The table below is a summary of the closed Pipeline NTSB Recommendations.

NTSB Classifications:

  • CEX - Closed Exceeds Recommended Action
  • CAA - Closed Acceptable Action
  • CAAA - Closed Acceptable Alternate Action
  • CUA - Closed Unacceptable Action
  • CUAN - Closed Unacceptable Action/No Response Received
  • CR - Closed Reconsidered
  • CNLA - Closed No Longer Applicable
  • CS - Closed Superseded
  • CAAS, CAAAS, CUAS - Closed Acceptable/Acceptable Alternate/Unacceptable Action Superseded

Closed Recommendations

Pipeline Closed NTSB Recommendations
Recommendation Topic Date Received Date Closed
P-04-001  Cohasset - Pipeline Integrity; CAA Jul 1, 2004 May 15, 2015
P-04-003  Cohasset - Pipeline Integrity; CAA Jul 1, 2004   April 8, 2015
P-09-001  Electric Resistance Welded (ERW) Pipe Study; CAA Oct 27, 2009   April 8, 2015
P-11-016  PG&E Rupture - Assist with California PUC Audit; CAA Sep 26, 2011   April 8, 2015
P-11-017  PG&E Rupture - Requiring In-line Inspection Tools; CS Sep 26, 2011   Feb 10, 2015
P-11-019  PG&E Rupture - Assessing Effectiveness; CAA Sep 26, 2011   April 8, 2015
P-12-005  Enbridge - Inspection of Enbridge; CAA Jul 25, 2012   April 8, 2015
P-12-006  Enbridge - Issue ADB describing Enbridge Circumstances; CAA Jul 25, 2012   Sep 19, 2014
P-12-010  Enbridge - Eliminating Operator Discretion; CAA Jul 25, 2012   Sep 19, 2014
R-12-008   Pipeline Operator Notification; CAA Mar 2, 2012   Sep 20, 2012  
P-11-013   Post Accident Drug & Alcohol Testing; CAA Sep 26, 2011   May 1, 2012  
P-11-001   Providing System-Specific Information; CS Jun 8, 2011   Sep 26, 2011  
P-11-002   Immediate 911 Notifications; CS Jun 8, 2011   Sep 26, 2011  
P-10-001   Urgent safety recommendations; CAA Jan 3, 2011   Feb 14, 2011  
P-09-003   Public Education Program Evaluation; CAA Oct 27, 2009   Oct 19, 2011  
P-07-008   Emergency Response; CAA Jun 25, 2007   Feb 14, 2011  
P-07-009   Operator Regulations; CAA Jun 25, 2007   Sep 18, 2009  
P-07-007   Operator Regulations; CAA Jun 25, 2007   Feb 14, 2011  
P-07-001   Emergency Response; CAA Jun 7, 2007   Mar 17, 2008  
P-05-005   Pipeline Technology; CAAA Dec 23, 2005   May 6, 2010  
P-05-004   Fatigue (liquid accident reporting form); CAA Dec 23, 2005   Apr 6, 2010  
P-05-001   Pipeline Technology (SCADA screens); CAA Dec 23, 2005   Apr 28, 2010  
P-05-002   Pipeline Security; CAA Dec 23, 2005   Apr 28, 2010  
P-05-003   Pipeline Technology (leak events); CAA Dec 23, 2005   Apr 28, 2010  
P-04-008   Glenpool - Breakout Tanks; CAA Nov 4, 2004   May 18, 2005  
P-04-007   Glenpool - Emergency Response; CAAA Nov 4, 2004   May 3, 2005  
P-04-002   Cohasset - Pipeline Integrity; CAA Jul 1, 2004   Jan 10, 2011  
P-03-002   Carlsbad - Integrity Management; CAA Feb 27, 2003   Apr 21, 2004  
P-03-001   Carlsbad - Pipeline Technology (Internal Corrosion); CAA Feb 27, 2003   Sep 20, 2007  
P-03-003   Carlsbad - Pipeline Technology (Internal Corrosion); CAA Feb 27, 2003   Aug 21, 2005  
P-02-005   Bellingham - Pipeline Technology (SCADA); CAA Oct 11, 2002   Mar 3, 2004  
P-02-002   Chalk Point - Damage Prevention; CAA Oct 11, 2002   Dec 10, 2002  
P-02-004   Bellingham - Pipeline Technology (Relief Valve); CAA Oct 11, 2002   May 3, 2006  
P-02-001   Chalk Point - Pipeline Technology (Wrinkle Bends); CAA Aug 2, 2002   Nov 28, 2006  
P-01-001   South Riding - Damage Prevention; CAAA Jun 22, 2001   Apr 15, 2004  
P-99-012   Fatigue (Hours of Service); CAAA Jun 1, 1999   Apr 28, 2010  
P-98-030   Reedy River - Fatigue (Controller Shifts); CAA Nov 18, 1998   May 3, 2006  
P-98-025   Tiger Pass – Markers at Waterways; CAAA Oct 16, 1998   May 3, 2006  
P-98-002   Plastic Pipe; CAA Apr 30, 1998   Feb 3, 2010  
P-90-029   Damage Prevention; CAA Oct 1, 1990   Jul 1, 2008  
Updated: Thursday, August 24, 2017