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Tiffany said you might be able to add this section into the STP procedure that is being converted to the new STP place and format.
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<a href="https://jlabdoc.jlab.org/docushare/dsweb/Get/Document-132364/CP-STP-CAV-CHEM-DEGR-R3.pdf" id="LPlnk987383">https://jlabdoc.jlab.org/docushare/dsweb/Get/Document-132364/CP-STP-CAV-CHEM-DEGR-R3.pdf</a></div>
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<h2 style="margin:0in 0in 0.0001pt 0.5in;text-indent:-0.5in;font-size:14pt;font-family:"Georgia", serif;color:rgb(192, 0, 0);mso-list:l8 level2 lfo1">
<a><span style="font-family:"Verdana",sans-serif;mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana"><span style="mso-list:Ignore">1.1<span style="font:7.0pt "Times New Roman"">
</span></span></span><u><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Right Angle Valves</span></u></a><u><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times"><o:p> </o:p></span></u></h2>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman", serif;color:black">
<span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">The following steps apply to right angle valves and other valves as appropriate.<span style="mso-spacerun:yes">
</span>Only like material is to be cleaned in the bath.<span style="mso-spacerun:yes">
</span>Do not share the bath with other items.<span style="mso-spacerun:yes"> </span>
All valves shall be opened prior to executing this procedure.<span style="mso-spacerun:yes">
</span>To prevent excessive exposure to particulate in air, the user is to perform all actions within the laminar flow hood (when possible).<o:p> </o:p></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman", serif;color:black">
<span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times"><o:p> </o:p></span></p>
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<span style="mso-list:ignore"><span style="font-family:"Verdana",sans-serif;mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span></span><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Don a new pair of nitrile gloves and appropriate safety glasses.
<o:p> </o:p></span></p>
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<span style="mso-list:ignore"><span style="font-family:"Verdana",sans-serif;mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span></span><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Remove valve(s) from packaging and any covers.
<o:p> </o:p></span></p>
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<span style="font-family:"Verdana",sans-serif;mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Inspect valves(s) for excessive damage (chips/scratches/bent parts).<span style="mso-spacerun:yes">
</span>If a valve has a pre-existing impairment, notify PI/PM.<span style="mso-spacerun:yes">
</span>Do not proceed until PI/PM verifies through written acknowledgement of previous damage presence.<o:p> </o:p></span></p>
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<span style="font-family:"Verdana",sans-serif;mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana"><span style="mso-list:Ignore">4.<span style="font:7.0pt "Times New Roman"">
</span></span></span><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">If the component(s) appears excessively soiled or greasy, or has tape/stickers/labels present, perform the following:<o:p> </o:p></span></p>
<ol style="margin-bottom:0in">
<li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Wipe all oil, marker, stickers, and tape off with acetone.<o:p> </o:p></span></li><ul style="margin-bottom:0in">
<ol style="margin-bottom:0in">
<li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">A plastic or metal razor blade may be used on the outside of the valve if necessary.
<o:p> </o:p></span></li></ol>
</ul>
<li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Use a TX 1009B Alpha Wipe and solvent to remove excess residue on the threads of the valve stem if necessary.
<o:p> </o:p></span></li><ul style="margin-bottom:0in">
<ol style="margin-bottom:0in">
<li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">The valve stem does not need to be completely free of residue, but the majority should be removed.<span style="mso-spacerun:yes">
</span><o:p> </o:p></span></li></ol>
</ul>
<li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Measure a small amount of Micro90 into a small container.<o:p> </o:p></span></li><li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Use a TX 1009B Alpha Wipe to apply detergent directly to the component’s exterior and/or interior.<span style="mso-spacerun:yes">
</span>Additional wipers, brushes or other means may be necessary to pre-clean heavily soiled components.<o:p> </o:p></span></li><li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Alternatively, the components may be ultrasoniced in a secondary container.<o:p> </o:p></span></li><li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Thoroughly rinse component with DI water.<o:p> </o:p></span></li><li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Repeat until heavy soil, oil, etc. has been removed.<o:p> </o:p></span></li></ol>
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<span style="font-family:"Verdana",sans-serif;mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana"><span style="mso-list:Ignore">5.<span style="font:7.0pt "Times New Roman"">
</span></span></span><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Components are usually cleaned in the Ultrasonic Cleaner (USC):<o:p> </o:p></span><br>
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<b><i><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">NOTE: Position components in such a way as to prevent touching each other during the ultrasonic cleaning process; failure to do so could result in damage to the component.
<o:p> </o:p></span></i></b></p>
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<li class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman", serif;color:black;mso-list:l5 level2 lfo5;tab-stops:list 1.0in">
<span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Close drain valve of USC.<o:p> </o:p></span></li><li class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman", serif;color:black;mso-list:l5 level2 lfo5;tab-stops:list 1.0in">
<span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Fill USC with DI/UPW at least five inches or more to cover the component being cleaned.<span style="mso-spacerun:yes">
</span>Carefully place component(s) into USC using baskets, sheets of plastic, or containers as necessary to protect and contain the component(s).<span style="mso-spacerun:yes">
</span><o:p> </o:p></span></li></ol>
<ul style="margin-bottom:0in">
<ul style="margin-bottom:0in">
<li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">The valves(s) must
<b><i>NOT</i></b> be completely submerged, the top of the valve and valve stem should remain above the water line.<span style="mso-spacerun:yes">
</span>Ensure there are no trapped air pockets under or within the component(s).<o:p> </o:p></span></li></ul>
</ul>
</ol>
<ol style="margin-bottom:0in;margin-top:0in" type="1" start="1">
<ol style="margin-bottom:0in;margin-top:0in" type="a" start="3">
<li class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman", serif;color:black;mso-list:l5 level2 lfo5;tab-stops:list 1.0in">
<span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Add 1-2% detergent to the USC tank.<span style="mso-spacerun:yes">
</span><o:p> </o:p></span></li></ol>
<ul style="margin-bottom:0in">
<ul style="margin-bottom:0in">
<li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Usually about 300 ml (small USC) or 600 ml (large USC) of Micro90 detergent is added to the USC.<span style="mso-spacerun:yes">
</span>If using the 200gal large USC, add roughly 1 L of Liquinox. <o:p> </o:p></span></li></ul>
</ul>
</ol>
<ol style="margin-bottom:0in;margin-top:0in" type="1" start="1">
<ol style="margin-bottom:0in;margin-top:0in" type="a" start="4">
<li class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman", serif;color:black;mso-list:l5 level2 lfo5;tab-stops:list 1.0in">
<span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Turn on the USC heater (the temperature is typically set to 130°F (54°C)).<o:p> </o:p></span></li><li class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman", serif;color:black;mso-list:l5 level2 lfo5;tab-stops:list 1.0in">
<span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Turn on the USC and<b><i>
</i></b>allow the component(s) to ultrasonically clean for 50 minutes.<span style="mso-spacerun:yes">
</span>This time may be adjusted if the water is preheated.<span style="mso-spacerun:yes">
</span><b><i>NOTE: The UPW/detergent temperature shall be at least 130°F (54°C) for a minimum of 15 minutes.</i></b><o:p> </o:p></span></li><li class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman", serif;color:black;mso-list:l5 level2 lfo5;tab-stops:list 1.0in">
<span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Turn off the USC heater and ultrasonic.<span style="mso-spacerun:yes">
</span>Don a new pair of nitrile gloves and inspect the valves(s) for cleanliness.<span style="mso-spacerun:yes">
</span>If the valve(s) do not appear to be clean, return the valve(s) to the ultrasonic bath and re-clean as necessary.<span style="mso-spacerun:yes">
</span>If the valve(s) appear to be clean, proceed. <o:p> </o:p></span></li></ol>
</ol>
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<span style="font-family:"Verdana",sans-serif;mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana"><span style="mso-list:Ignore">6.<span style="font:7.0pt "Times New Roman"">
</span></span></span><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Rinse valve(s) in DI/UPW using one or all of the following methods:<o:p> </o:p></span></p>
<ol style="margin-bottom:0in">
<li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Rinse valve(s) using DI/UPW until no soap bubbles are visible (approximately 5 minutes)
<o:p> </o:p></span></li><li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Dip visibly clean valve(s) in the triple rinse sink from left to right.
<o:p> </o:p></span></li><li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Ensure the components are thoroughly rinsed and water surface is free of soap bubbles.<span style="mso-spacerun:yes">
</span>Repeat if necessary. <o:p> </o:p></span></li></ol>
<ol style="margin-bottom:0in">
<li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Once thoroughly clean, dry parts in the nitrogen drying oven set to 100°C for ~ 10+ hours.
<o:p> </o:p></span></li></ol>
<ol style="margin-bottom:0in">
<li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">The nitrogen flow should be set to 50 PSI and 50 CFM.
<o:p> </o:p></span></li><li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Follow the STP baking procedure unless provided by the PI/PM<o:p> </o:p></span></li><ol style="margin-bottom:0in">
<li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">CP-STP-CAV-CHEM-BAKE
<o:p> </o:p></span></li></ol>
</ol>
<ol style="margin-bottom:0in">
<li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Bag the components:<o:p> </o:p></span></li></ol>
<ol style="margin-bottom:0in">
<li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">If the valve(s) are still hot from the oven, allow them to cool before handling.
<o:p> </o:p></span></li><li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Ensure components have dried completely before bagging.<o:p> </o:p></span></li><li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Bag and seal each component separately.<o:p> </o:p></span></li><li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Repeat process until all components are bagged.<o:p> </o:p></span></li><li><span style="font-family:"Verdana",sans-serif;mso-bidi-font-family:Times">Transport bagged components to the next work center.<o:p> </o:p></span></li></ol>
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<div style=""><span style="font-size:13pt"><strong style="">Ashley Mitchell<br style="">
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