What Does SOP Stand For?

SOP has more than one possible meaning :

• SOP - Second Order Potential Method For Positron Atom Scattering
• SOP - Secondary Oxygen Pack
• SOP - Spacelab OPportunity Payload
• SOP - Split Operator Propagator
• SOP - Standard Operating Procedure
• SOP - Standing Operating Procedure Standard Operating Procedure
• SOP - Subsystem Operating Program
• SOP - Subsystem S Operating Procedure
• SOP - Systems Operation Plan

If you know of another acronym for SOP, please suggest it as a new acronym for SOP.