[Sbs_gems] [EXTERNAL] Re: Re: Argon/Carbon Dioxide gas cylinders to move to to gas shed 90A

[Ezekiel Wertz]

I'll check the Hall A gas shed when I go over for the RC meeting. To see if
any are there.

Zeke

On Mon, Dec 6, 2021 at 2:35 PM Holly Szumila-Vance <hszumila at jlab.org>
wrote:

> Yes there’s several in the test lab rack. Maybe like 4 or 6 (can’t
> remember off the top of my head).
>
>
>
> However, we need to see what is over at the Hall-there should be more
> premix over there.
>
>
>
> *From: *Brad Sawatzky <brad at swatter.net>
> *Reply-To: *"brad at swatter.net" <brad at swatter.net>
> *Date: *Monday, December 6, 2021 at 2:34 PM
> *To: *John Boyd <jab7bp at virginia.edu>, Brad Sawatzky <brads at jlab.org>
> *Cc: *Holly Szumila-Vance <hszumila at jlab.org>, Mark Jones <jones at jlab.org>,
> Jack Segal <segal at jlab.org>, "sbs_gems at jlab.org" <sbs_gems at jlab.org>
> *Subject: *[EXTERNAL] Re: [Sbs_gems] Re: Argon/Carbon Dioxide gas
> cylinders to move to to gas shed 90A
>
>
>
> I don't think there are any additional premix near the Hall A gas shed,
> other than the partials...
>
> Holly, are there more in a test lab rack?
>
> On December 6, 2021 11:23:38 AM EST, John Boyd <jab7bp at virginia.edu>
> wrote:
>
> I went to grab some gas from 90A and I realized that of the 6 cylinders we
> moved into 90A on Friday, only 2 of them were pre-mix. The other 4 were
> pure Argon. I'm hoping that there are still 4 pre-mix cylinders over at
> Hall A and that these 4 argon bottles were brought just accidentally in
> place of them.
>
>
>
> Please let me know how to confirm this and proceed.
>
>
>
> Best,
>
>
>
> John
>
>
>
> On Thu, Dec 2, 2021 at 6:24 PM Brad Sawatzky <brads at jlab.org> wrote:
>
> I moved six 75:25 premix cylinders to the EEL gas racks this afternoon.
> There are another 2--3 premix cylinders in EEL/125.  That is perhaps
> ~2 weeks worth of gas for the SBS GEMs -- probably enough to cover
> December.
>
> I don't think there are any more (useful) premix bottles in the Hall A
> racks.  Those that are left are partials -- I checked a few of them and
> they only have 400--500psi in them.  Hardly worth the effort to move
> them given the GEM gas consumption rate.
>
> * Holly or Jack:  I will leave it you two to coordinate and purchase
>     more premix if needed.  I think we all got the recent email from
>     Purchasing that the (official) lead-time is now 21 days for most
>     premix.  If we want premix gas for January, we should probably
>     order ASAP.  (Unless there are orders that just haven't shown up
>     yet?)
>
> The current plan is to switch to nitrogen over the holiday break.
> That may require one person to come on-site at the end of Dec to swap a
> bottle.  John will contact Mark, et to ensure at least he and one other
> GEM expert are on the 'Holiday access list' so they can take care of
> this.
>
> -- Brad
>
> --
> Brad Sawatzky (he/him), PhD <brads at jlab.org> -<>- Jefferson Lab/ Hall
> C/C111
> Ph: 757-269-5947  -<>-  Fax: 757-269-5235  -<>- Pager: brads-page at jlab.org
> The most exciting phrase to hear in science, the one that heralds new
>   discoveries, is not "Eureka!" but "That's funny..."   -- Isaac Asimov
> _______________________________________________
> Sbs_gems mailing list
> Sbs_gems at jlab.org
> https://mailman.jlab.org/mailman/listinfo/sbs_gems
>
> --
> Sent from my Android phone with K-9 Mail. Please excuse my brevity.
> _______________________________________________
> Sbs_gems mailing list
> Sbs_gems at jlab.org
> https://mailman.jlab.org/mailman/listinfo/sbs_gems
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mailman.jlab.org/pipermail/sbs_gems/attachments/20211206/29b1980d/attachment-0001.html>