<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div>Steve, d'you have the oxygen hackers companion? The book is invaluable for what you're doing and includes a cleaning process.</div><div><br></div><div>Best,</div><div>Alec</div><div><br>On Jan 6, 2018, at 11:23 AM, Steve McQueen via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><meta name="Generator" content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Wingdings;
panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri",sans-serif;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
/* List Definitions */
@list l0
{mso-list-id:1153335087;
mso-list-template-ids:-360033694;}
@list l0:level1
{mso-level-number-format:bullet;
mso-level-text:\F0B7;
mso-level-tab-stop:.5in;
mso-level-number-position:left;
text-indent:-.25in;
mso-ansi-font-size:10.0pt;
font-family:Symbol;}
@list l0:level2
{mso-level-number-format:bullet;
mso-level-text:o;
mso-level-tab-stop:1.0in;
mso-level-number-position:left;
text-indent:-.25in;
mso-ansi-font-size:10.0pt;
font-family:"Courier New";
mso-bidi-font-family:"Times New Roman";}
@list l0:level3
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:1.5in;
mso-level-number-position:left;
text-indent:-.25in;
mso-ansi-font-size:10.0pt;
font-family:Wingdings;}
@list l0:level4
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:2.0in;
mso-level-number-position:left;
text-indent:-.25in;
mso-ansi-font-size:10.0pt;
font-family:Wingdings;}
@list l0:level5
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:2.5in;
mso-level-number-position:left;
text-indent:-.25in;
mso-ansi-font-size:10.0pt;
font-family:Wingdings;}
@list l0:level6
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:3.0in;
mso-level-number-position:left;
text-indent:-.25in;
mso-ansi-font-size:10.0pt;
font-family:Wingdings;}
@list l0:level7
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:3.5in;
mso-level-number-position:left;
text-indent:-.25in;
mso-ansi-font-size:10.0pt;
font-family:Wingdings;}
@list l0:level8
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:4.0in;
mso-level-number-position:left;
text-indent:-.25in;
mso-ansi-font-size:10.0pt;
font-family:Wingdings;}
@list l0:level9
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:4.5in;
mso-level-number-position:left;
text-indent:-.25in;
mso-ansi-font-size:10.0pt;
font-family:Wingdings;}
ol
{margin-bottom:0in;}
ul
{margin-bottom:0in;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--><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></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>Personal_Submersibles mailing list</span><br><span><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></span><br><span><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></span><br></div></blockquote></body></html>