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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>All, I am working on cleaning some parts/pieces for O2 service on my K-250. I am buying most items “pre-cleaned” such as: Tank w/Valve, First Stage Regulator, Thru Hull Isolation Valve, Flow Regulator.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>However, I will have some parts & pieces (mainly misc. adaptors and ¼ SS tubing) I may still need to clean.<o:p></o:p></p><p class=MsoNormal style='mso-margin-bottom-alt:auto;line-height:13.5pt;background:white'>I know an “at home” process will fall short but looking to create/document a procedure anyway.<o:p></o:p></p><p class=MsoNormal style='mso-margin-bottom-alt:auto;margin-left:0in;text-indent:-.25in;line-height:13.5pt;mso-list:l0 level1 lfo1;background:white'><![if !supportLists]><span style='font-size:10.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>I am using ASTM G93, "Standard Practice for Cleaning Methods and Cleanliness Levels for Material and Equipment Used in Oxygen-Enriched Environments" as the standard.<o:p></o:p></p><p class=MsoNormal style='mso-margin-bottom-alt:auto;margin-left:0in;text-indent:-.25in;line-height:13.5pt;mso-list:l0 level1 lfo1;background:white'><![if !supportLists]><span style='font-size:10.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><o:p> </o:p></p><p class=MsoNormal style='mso-margin-bottom-alt:auto;margin-left:0in;text-indent:-.25in;line-height:13.5pt;mso-list:l0 level1 lfo1;background:white'><![if !supportLists]><span style='font-size:10.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>Maybe someone already has a procedure (or opinion) they want to share?<o:p></o:p></p><p class=MsoNormal style='mso-margin-bottom-alt:auto;line-height:13.5pt;background:white'>Steve<o:p></o:p></p><p class=MsoNormal style='mso-margin-bottom-alt:auto;line-height:13.5pt;background:white'><o:p> </o:p></p><p class=MsoNormal style='mso-margin-bottom-alt:auto;margin-left:0in;text-indent:-.25in;line-height:13.5pt;mso-list:l0 level1 lfo1;background:white'><![if !supportLists]><span style='font-size:10.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='mso-margin-bottom-alt:auto;margin-left:0in;text-indent:-.25in;line-height:13.5pt;mso-list:l0 level1 lfo1;background:white'><![if !supportLists]><span style='font-size:10.0pt;font-family:Symbol;color:#333333'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>I am using <span style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#333333'>ASTM G93, "Standard Practice for Cleaning Methods and Cleanliness Levels for Material and Equipment Used in Oxygen-Enriched Environments" as the standard. I know an “at home” process will fall short but looking to create/document a procedure anyway.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-bottom-alt:auto;margin-left:0in;text-indent:-.25in;line-height:13.5pt;mso-list:l0 level1 lfo1;background:white'><![if !supportLists]><span style='font-size:10.0pt;font-family:Symbol;color:#333333'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#333333'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>