This Standard Practice outlines the general requirements for cleaning, inspection, testing, and packaging of valves and fittings intended to be used in Oxygen service environments. Proper design and material compatibility for Oxygen systems is outside the scope of this Standard Practice. Review copy is a BSR draft only. Revises previous BSR/MSS SP-138-2009 (orig. BSR-8 submission). Identified stakeholder are unchanged. Originally developed under MSS Committee 407 & 304. Committee Chair: C. Davilla.