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<div class="elementToProof"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">Hi Beni,</span></div>
<div class="elementToProof"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"><br>
</span></div>
<div class="elementToProof"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">We discussed the subject of spectators in our weekly status meeting today. I will clarify
in the language in the safety documents that spectators (without all the training) should only be escorted in the room when the laser output has been disabled.</span></div>
<div class="elementToProof"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"><br>
</span></div>
<div class="elementToProof"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">This will be great a great opportunity for upper management/DOE visitors to see what type
of work is being done for EIC development at Jlab.</span></div>
<div class="elementToProof"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"><br>
</span></div>
<div class="elementToProof"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">Additionally, we should put a camera so alignment procedures can be observed from outside
the room.</span></div>
<div class="elementToProof"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"><br>
</span></div>
<div class="elementToProof"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">Marc<br>
</span></div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> dsg-eic_dirc <dsg-eic_dirc-bounces@jlab.org> on behalf of Beni Zihlmann via dsg-eic_dirc <dsg-eic_dirc@jlab.org><br>
<b>Sent:</b> Tuesday, December 13, 2022 4:32 PM<br>
<b>To:</b> dsg-eic_dirc@jlab.org <dsg-eic_dirc@jlab.org><br>
<b>Subject:</b> Re: [dsg-eic_dirc] DIRC laser safety document</font>
<div> </div>
</div>
<div><font face="Helvetica, Arial, sans-serif">Regarding the "Visitor, Spectator" section, what is the purpose of such?<br>
I guess Greg can answer that. Depending on the answer the laser may not be needed to operate<br>
in that scenario.??<br>
<br>
cheers,<br>
Beni<br>
</font><br>
<div class="x_moz-cite-prefix">On 12/13/22 16:19, Jennifer Williams via dsg-eic_dirc wrote:<br>
</div>
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<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">Hi Marc,</span></div>
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">I have a few questions/comments for the documents.</span></div>
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">I tracked changes and made comments in the margins.</span></div>
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">Please let me know if you have any questions.
<br>
</span></div>
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">Thanks</span></div>
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">Jen<br>
</span></div>
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> dsg-eic_dirc
<a class="x_moz-txt-link-rfc2396E" href="mailto:dsg-eic_dirc-bounces@jlab.org"><dsg-eic_dirc-bounces@jlab.org></a> on behalf of Marc Mcmullen via dsg-eic_dirc
<a class="x_moz-txt-link-rfc2396E" href="mailto:dsg-eic_dirc@jlab.org"><dsg-eic_dirc@jlab.org></a><br>
<b>Sent:</b> Monday, December 12, 2022 4:12 PM<br>
<b>To:</b> Tyler Lemon <a class="x_moz-txt-link-rfc2396E" href="mailto:tlemon@jlab.org">
<tlemon@jlab.org></a>; <a class="x_moz-txt-link-abbreviated" href="mailto:dsg-eic_dirc@jlab.org">
dsg-eic_dirc@jlab.org</a> <a class="x_moz-txt-link-rfc2396E" href="mailto:dsg-eic_dirc@jlab.org">
<dsg-eic_dirc@jlab.org></a><br>
<b>Cc:</b> Patrizia Rossi <a class="x_moz-txt-link-rfc2396E" href="mailto:rossi@jlab.org">
<rossi@jlab.org></a><br>
<b>Subject:</b> Re: [dsg-eic_dirc] DIRC laser safety document</font>
<div> </div>
</div>
<div>
<div>Thanks Tyler, I'll go through the documents and make the appropriate changes. </div>
<div><br>
</div>
<div>Marc </div>
<br>
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<div id="x_x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Tyler Lemon
<a class="x_moz-txt-link-rfc2396E" href="mailto:tlemon@jlab.org"><tlemon@jlab.org></a><br>
<b>Sent:</b> Monday, December 12, 2022 3:39 PM<br>
<b>To:</b> <a class="x_moz-txt-link-abbreviated" href="mailto:dsg-eic_dirc@jlab.org">
dsg-eic_dirc@jlab.org</a> <a class="x_moz-txt-link-rfc2396E" href="mailto:dsg-eic_dirc@jlab.org">
<dsg-eic_dirc@jlab.org></a>; Marc Mcmullen <a class="x_moz-txt-link-rfc2396E" href="mailto:mcmullen@jlab.org">
<mcmullen@jlab.org></a><br>
<b>Cc:</b> Patrizia Rossi <a class="x_moz-txt-link-rfc2396E" href="mailto:rossi@jlab.org">
<rossi@jlab.org></a><br>
<b>Subject:</b> Re: DIRC laser safety document</font>
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<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">Hi Marc,</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">I've looked over both documents and have some comments and questions:</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><u>General</u><br>
</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">- In both documents, the laser manufacturer is named as "Kimmon". On the laser documentation,
the manufacturer is listed as "Kimmon Koha". It may not be important, but I thought I'd mention it.
<br>
</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_x_x_elementToProof"><u><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">Laser System Specific Lesson plan document:</span></u></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">- Page 1: under "4.0 Target Audience", the room number is incorrect in the text box that says
"Workers need to work in the EEL 102A laser room"</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">- Page 1: under "7.0 Aids/Handouts" for the text box #2, the contents look incomplete or cutoff.
All I can see in that box is "Brief Description: laser system for"</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">- Page 2: under Objective A, SoB A.3, the eye protection is noted as 7+ OD. Should this be changed
to 2+ to match the LOSP?</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">- Page 6: under SoB D.1, the low-power filter will reduce the laser power by a factor of 100
(document currently says 10).</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_x_x_elementToProof"><u><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">Laser Operational Safety Procedure:</span></u></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">- Page 4: What is the "Laser Process" for the potential hazard "Temporary or permanent eye damage"?
If it's "Operations", that process has another "Temporary or permanent eye damage" hazard row on page 2; could the two rows be combined?</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">- Page 8: It says "The laser housing is mounted on a stage." From the diagram and from what we've
talked about, I thought the laser housing is on a fixed height stand. In the diagram also on page 8, it looks like the laser housing is sitting on extruded aluminum.<br>
</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">- Page 9: under "Hazards" there is "(2+)" after any time it says "laser eye protection". Making
it say "(OD 2+)" might make it clearer that the glasses need to be rated correctly and avoid the chance of any misunderstandings as to what 2+ means</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">-Tyler<br>
</span></div>
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<div id="x_x_x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> dsg-eic_dirc
<a class="x_moz-txt-link-rfc2396E" href="mailto:dsg-eic_dirc-bounces@jlab.org"><dsg-eic_dirc-bounces@jlab.org></a> on behalf of Marc Mcmullen via dsg-eic_dirc
<a class="x_moz-txt-link-rfc2396E" href="mailto:dsg-eic_dirc@jlab.org"><dsg-eic_dirc@jlab.org></a><br>
<b>Sent:</b> Monday, December 12, 2022 10:31 AM<br>
<b>To:</b> <a class="x_moz-txt-link-abbreviated" href="mailto:dsg-eic_dirc@jlab.org">
dsg-eic_dirc@jlab.org</a> <a class="x_moz-txt-link-rfc2396E" href="mailto:dsg-eic_dirc@jlab.org">
<dsg-eic_dirc@jlab.org></a><br>
<b>Cc:</b> Patrizia Rossi <a class="x_moz-txt-link-rfc2396E" href="mailto:rossi@jlab.org">
<rossi@jlab.org></a><br>
<b>Subject:</b> [dsg-eic_dirc] DIRC laser safety document</font>
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<div class="x_x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">Hi Beni and Greg,</span></div>
<div class="x_x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">Attached is the latest update to the LOSP/THA document. I have made some changes to the procedure
section and included the Maximum Permissible Exposure information provided by Jen Williams. The procedure section changes included the same details which are in the Laser specific lesson plan and additional text on the "sweep" sub-procedure.</span></div>
<div class="x_x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">If everyone can review this by Tuesday, and send comments. I can make those changes and submit
this for SME reviews. This will put the document on track for approval just after the return from the holiday break.</span></div>
<div class="x_x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">Regards,</span></div>
<div class="x_x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">Marc<br>
</span></div>
</div>
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<pre class="x_moz-quote-pre">_______________________________________________
dsg-eic_dirc mailing list
<a class="x_moz-txt-link-abbreviated" href="mailto:dsg-eic_dirc@jlab.org">dsg-eic_dirc@jlab.org</a>
<a class="x_moz-txt-link-freetext" href="https://mailman.jlab.org/mailman/listinfo/dsg-eic_dirc">https://mailman.jlab.org/mailman/listinfo/dsg-eic_dirc</a>
</pre>
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