Root Cause Process Decision Matrix

Incident Category People Relationship to Useful Tools Estimated Likely Number Classification (Resources) Issue Owner Completion of Involved Time Occurrences

A Mishap not resulting in Informal: Supervisor. Internal: FMT  Change analysis 1 to 2 hours Most classification B, C, or D May delegate to field  HBT (near-miss)* employees and seek  Others as needed assistance from E&S (fishbone, contingency reps. diagram, STOP cards)

B  First aid Informal or formal: Internal: FMT  Change analysis 3 to 4 hours Frequent

 Medical Field-based team. Size,  HBT

 Permit level of expertise, and  Fault tree

noncompliance membership determined  Others as needed

 PINC by operations

 INC supervisor.

 Level 1** spill (typically less than 1 bbl)

C  LWD Formal: Chartered legal Internal and  MORT (partial) 1 to 2 days Seldom

 Critical INC review. FMT-based external: FMT  Events a causal factors

 Level 2** spill team. Should consist of supplemented with  Others as needed (typically 1 bbl to field office and external independent 100 bbl) FMT or BU members. resources

D  Severe injury or Formal: Chartered legal External and  MORT (all or partial) 1 week Least

multiple injury review. Multidiscipline independent:  Events and causal factors

 Permanent or partial team made up of +/- 4 another FMT or BU  Others as needed disability team members. contact

 Fatality

 Catastrophic event

 Level 3** spill (catastrophic release)

*Property damage/loss categories and S&E classifications are determined on a case-by-case basis and should consider frequency and severity. **Environmental categories are based on levels defined by GOMBU Oil Spill Response Plan.