Document Safety Alert 292 - Synthetic Base Mud (SBM) Inadvertently Discharged Overboard - February 22, 2011 (136.38 KB) Document Collection Incident and Investigations Issued Date Tuesday, February 22, 2011 - 5:00am Division Responsible Gulf of Mexico OCS Region Safety & Incident Investigations Division Safety Enforcement Division Saturday, January 1, 2011 - 12:00pm Safety Alert/Bulletin Number 292 Safety Category General Spill/Pollution